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ISO4014 AS1110 Half Coarse Thread CL12.9 Carbon Steel Bolt
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ISO4014 AS1110 Half Coarse Thread CL12.9 Carbon Steel Bolt
  • name
  • name
  • name
  • name

ISO4014 AS1110 Half Coarse Thread CL12.9 Carbon Steel Bolt

MOQ: 900kg
Price: Negotiation
Standard Packaging: 25KG/CTN,36CTN/PALLET or small packing
Delivery Period: 30DAYS
Payment Method: L/C, T/T
Supply Capacity: 500TON/MONTH
Detail Information
Product Description
Detail Information
Place of Origin
CHINA
Brand Name
QBH
Certification
ISO9001
Model Number
ISO4014
Standard:
DIN6914
Material:
Carbon Steel
Size:
M5-M52
Finish:
ZP YZP HDG BLACK
Grade:
4.8 6.8 8.8 10.9 12.9
Packing:
Carton And Pallet Or According To The Customer's Requirement
Sample:
Free Sample
Thread:
Machine Thread
Lead Time:
Per On Order Quantity
Type:
Hexagon Head
Advantage:
We Can Manufacture According To Client Design,OEM / ODM / Customized Service Provided
Oem:
Yes,welcome
Minimum Order Quantity:
900kg
Price:
Negotiation
Packaging Details:
25KG/CTN,36CTN/PALLET or small packing
Delivery Time:
30DAYS
Payment Terms:
L/C, T/T
Supply Ability:
500TON/MONTH
High Light:

AS1110 Carbon Steel Bolt

,

CL12.9 Carbon Steel Bolt

,

ISO4014 Hexagon Head Bolts With Shank

Product Description

 

Specification

 

 

ISO 4014 Hex Head Bolts have coarse external machine screw threads, are partially threaded and mate with nuts and tapped holes. Their dimensions are similar to DIN 931 except the hex head width across flats (wrench size) for three sizes—M10, M12 and M14—is 1 mm smaller like ANSI B18.2.3.1M. Compared to JIS B1180 sizes M8, M10 and M12, head width across flats of ISO 4014 is 1-2 mm larger. Select from Class 8.8 and 10.9 steel and either zinc plated or unplated plain finish, which can rust. Thread tolerance is 6g for plain finish and 6h for plated; right-hand threads are standard. Commonly referred to as hex head cap screws, minimum length of the threaded section is based on bolt size—larger bolts have more threads. Measure their length from under the head to the tip.

 

The iso 4014 hex bolt can be surface treated to a variety of coatings. For instance, it can be coated with zinc by either electroplating (clear (blue) zinc electroplated and yellow zinc electroplated) or by immersing the fastener in zinc during hot dip galvanization. Other surface treating techniques include the fasteners being treated with finishes like auto black, dacromet, geomet and phosphate. Plating the alloy may also be used to increase the iso 4014 bolt weight.

 

 

 

ISO4014/AS1110 - Hexagon head bolts with shank

Current norm: DIN931
Equivalent norms: ISO 4014; CSN 021101; PN 82101; UNI 5737; EU 24014

 

 

 

ISO4014 AS1110 Half Coarse Thread CL12.9 Carbon Steel Bolt 0

 

 

 

 

Legend:

l - length of bolt

Makings:QBH

Steel: 5.6,5.8,8.8,10.9,12.9
Stainless: A2,A4
Plastic: -
Non Ferrous: Brass
Thread: 6g

ISO4014

 

Screw Thread
d
M1.6 M2 M2.5 M3 (M3.5) M4 M5 M6 M8 M10 M12 (M14) M16 (M18) M20
P Pitch
b L≤125
125＜L≤200
L＞200
c max
min
da max
ds max=nominal size
Grade A min
Grade B min
dw Grade A min
Grade B min
e Grade A min
Grade B min
L1 max  
k Nominal Size  
Grade A max
min
Grade B max
min
k1 Grade A min
Grade B min
r min  
s max=nominal size  
Grade A min
Grade B min
0.35 0.4 0.45 0.5 0.6 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5 2.5
9 10 11 12 13 14 16 18 22 26 30 34 38 42 46
15 16 17 18 19 20 22 24 28 32 36 40 44 48 52
28 29 30 31 32 33 35 37 41 45 49 53 57 61 65
0.25 0.25 0.25 0.4 0.4 0.4 0.5 0.5 0.6 0.6 0.6 0.6 0.8 0.8 0.8
0.1 0.1 0.1 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.2 0.2 0.2
2 2.6 3.1 3.6 4.1 4.7 5.7 6.8 9.2 11.2 13.7 15.7 17.7 20.2 22.4
1.6 2 2.5 3 3.5 4 5 6 8 10 12 14 16 18 20
1.46 1.86 2.36 2.86 3.32 3.82 4.82 5.82 7.78 9.78 11.73 13.73 15.73 17.73 19.67
1.35 1.75 2.25 2.75 3.2 3.7 4.7 5.7 7.64 9.64 11.57 13.57 15.57 17.57 19.48
2.27 3.07 4.07 4.57 5.07 5.88 6.88 8.88 11.63 14.63 16.63 19.64 22.49 25.34 28.19
2.3 2.95 3.95 4.45 4.95 5.74 6.74 8.74 11.47 14.47 16.47 19.15 22 24.85 27.7
3.41 4.32 5.45 6.01 6.58 7.66 8.79 11.05 14.38 17.77 20.03 23.36 26.75 30.14 33.53
3.28 4.18 5.31 5.88 6.44 7.5 8.63 10.89 14.2 17.59 19.85 22.78 26.17 29.56 32.95
0.6 0.8 1 1 1 1.2 1.2 1.4 2 2 3 3 3 3 4
1.1 1.4 1.7 2 2.4 2.8 3.5 4 5.3 6.4 7.5 8.8 10 11.5 12.5
1.225 1.525 1.825 2.125 2.525 2.925 3.65 4.15 5.45 6.58 7.68 8.98 10.18 11.715 12.715
0.975 1.275 1.575 1.875 2.275 2.675 3.35 3.85 5.15 6.22 7.32 8.62 9.82 11.285 12.285
1.3 1.6 1.9 2.2 2.6 3 3.74 4.24 5.54 6.69 7.79 9.09 10.29 11.85 12.85
0.9 1.2 1.5 1.8 2.2 2.6 3.26 3.76 5.06 6.11 7.21 8.51 9.71 11.15 12.15
0.68 0.89 1.1 1.31 1.59 1.87 2.35 2.7 3.61 4.35 5.12 6.03 6.87 7.9 8.6
0.63 0.84 1.05 1.26 1.54 1.82 2.28 2.63 3.54 4.28 5.05 5.96 6.8 7.81 8.51
0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.25 0.4 0.4 0.6 0.6 0.6 0.6 0.8
3.2 4 5 5.5 6 7 8 10 13 16 18 21 24 27 30
3.02 3.82 4.82 5.32 5.82 6.78 7.78 9.78 12.73 15.73 17.73 20.67 23.67 26.67 29.67
2.9 3.7 4.7 5.2 5.7 6.64 7.64 9.64 12.57 15.57 17.57 20.16 23.16 26.16 29.16
Length of Thread b
 
- - - - - - - - - - - - - - -

 

Screw Thread
d
(M22) M24 (M27) M30 (M33) M36 (M39) M42 (M45) M48 (M52) M56 (M60) M64
P Pitch
b L≤125
125＜L≤200
L＞200
c max
min
da max
ds max=nominal size
Grade A min
Grade B min
dw Grade A min
Grade B min
e Grade A min
Grade B min
L1 max  
k Nominal Size  
Grade A max
min
Grade B max
min
k1 Grade A min
Grade B min
r min  
s max=nominal size  
Grade A min
Grade B min
2.5 3 3 3.5 3.5 4 4 4.5 4.5 5 5 5.5 5.5 6
50 54 60 66 - - - - - - - - - -
56 60 66 72 78 84 90 96 102 108 116 - - -
69 73 79 85 91 97 103 109 115 121 129 137 145 153
0.8 0.8 0.8 0.8 0.8 0.8 1 1 1 1 1 1 1 1
0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
24.4 26.4 30.4 33.4 36.4 39.4 42.4 45.6 48.6 52.6 56.6 63 67 71
22 24 27 30 33 36 39 42 45 48 52 56 60 64
21.67 23.67 - - - - - - - - - - - -
21.48 23.48 26.48 29.48 32.38 35.38 38.38 41.38 44.38 47.38 51.26 55.26 59.26 63.26
31.71 33.61 - - - - - - - - - - - -
31.35 33.25 38 42.75 46.55 51.11 55.86 59.95 64.7 69.45 74.2 78.66 83.41 88.16
37.72 39.98 - - - - - - - - - - - -
37.29 39.55 45.2 50.85 55.37 60.79 66.44 71.3 76.95 82.6 88.25 93.56 99.21 104.86
4 4 6 6 6 6 6 8 8 10 10 12 12 13
14 15 17 18.7 21 22.5 25 26 28 30 33 35 38 40
14.215 15.215 - - - - - - - - - - - -
13.785 14.785 - - - - - - - - - - - -
14.35 15.35 17.35 19.12 21.42 22.92 25.42 26.42 28.42 30.42 33.5 35.5 38.5 40.5
13.65 14.65 16.65 18.28 20.58 22.08 24.58 25.58 27.58 29.58 32.5 34.5 37.5 39.5
9.65 10.35 - - - - - - - - - - - -
9.56 10.26 11.66 12.8 14.41 15.46 17.21 17.91 19.31 20.71 22.75 24.15 26.25 27.65
0.8 0.8 1 1 1 1 1 1.2 1.2 1.6 1.6 2 2 2
34 36 41 46 50 55 60 65 70 75 80 85 90 95
33.38 35.38 - - - - - - - - - - - -
33 35 40 45 49 53.8 58.8 63.1 68.1 73.1 78.1 82.8 87.8 92.8

 

 

 

 

Process flow

Cold forging

Annealing treatment(if need) ➨ wiredrawing ➨ clod forging ➨ thread rolling ➨make heat treatment(if need) ➨ Finish ➨ Packing

 

Hot forging

Cutting material ➨ hot forging ➨ turning ➨ shrink diameter(half thread) ➨thread rolling ➨ make heat treatment(if need) ➨ Finish ➨ Packing

 

 

 

 

 

Product Grade

 

Class4.8 Class5.8 Class6.8 Class8.8 Class10.9 Class12.9

NO. Mechanical or
physical property		 Property class
4.6 4.8 5.6 5.8 6.8 8.8 9.8 10.9 12.9/12.9
D≤16mma d＞16mmb d≤16mm
1 Tensile strength
Rm,Mpa		 nom.c 400 500 600 800 900 1000 1200
max. 400 420 500 520 600 800 830 900 1040 1220
2 Lower yield strength
ReL,Mpa		 nom.c 240 —— 300 —— —— —— —— —— —— ——
max. 240 —— 300 —— —— —— —— —— —— ——
3 Stress at 0,2 % nonproportional elongation
Rp0.2,Mpa		 nom.c —— —— —— —— —— 640 640 720 900 1080
max. —— —— —— —— —— 640 660 720 940 1100
4 Stress at 0,0048 d non-proportional elongation for
full-size fasteners
Rpf,Mpa		 nom.c —— 320 —— 400 480 —— —— —— —— ——
max. —— 340e —— 420e 480e —— —— —— —— ——
5 Stress under proof load
Spf,Mpa		 nom. 225 310 280 380 440 580 600 650 830 970
Proof Sp,nom/ReL min Or
strength Sp,nom/Rp0.2min Or
rati Sp,nom/Rpf min
 		 0.94 0.91 0.93 0.9 0.92 0.91 0.91 0.9 0.88 0.88
6 Percentage elongation
after fracture for
machined test pieces,A,%		 min. 22 -— 20 —— —— 12 12 10 9 8
7 Percentage reduction of area after
fracture for machined test pieces,Z,%		 min. —— 52 48 48 44
8 Elongation after fracture for full-size
fasteners,Af		 min. —— 0.24 —— 0.22 0.2 —— —— —— —— ——
9 Head soundness No fracture
10 Vickers hardness, HV,
F≥98N		 min. 120 130 155 160 190 250 255 290 320 385
max. 220g 250 320 335 360 380 435
11 Brinell hardness, HBW
,F=30D²		 min. 114 124 147 152 181 238 242 276 304 366
max. 209g 238 304 318 342 361 414
12 Rockwell hardness,HRB ,
HRB		 min. 67 71 79 82 89 　
max. 95g 99.5 　
Rockwell hardness,
HRC		 min. —— 22 23 28 32 39
max. —— 32 34 37 39 44
13 Surface hardness
HV 0.3		 max. —— h h,j h,j
14 Height of non-decarburized thread zone,E,mm min. —— 1/2H1 2/3H1 3/4H1
Depth of complete decarburization in the
thread,G,mm		 max. —— 0.015
15 Reduction of hardness after retempering,HV max. —— 20
16 Breaking torque,
MB,N·m		 min. —— in accordance with ISO 898-7
17 Impact strength,
KVK,I,J		 min. —— 27 —— 27 27 27 27 m
18 Surface integrity in accordance with ISO 6157-1n ISO 6157-3

a Values do not apply for structural bolting.
b For structural bolting d W M12.
c Nominal values are specified only for the purpose of the designation system for property classes.See Clause 5.
d In cases where the lower yield strength ReL cannot be determined, it is permissible to measure the stress at 0,2 % non-proportional elongation Rp0,2.
e For the property classes 4.8, 5.8 and 6.8 the values for Rpf min are under investigation. The present values are given for calculation of the proof stress ratio only. They are not test values.
f Proof loads are specified in Tables 5 and 7.
g Hardness determined at the end of a fastener shall be 250 HV, 238 HB or 99,5 HRB maximum.
h Surface hardness shall not be more than 30 Vickers points above the measured core hardness of the fastener when determination of both surface hardness and core hardness are carried out with HV 0,3.
i Any increase in hardness at the surface which indicates that the surface hardness exceeds 390 HV is not acceptable.
j Any increase in hardness at the surface which indicates that the surface hardness exceeds 435 HV is not acceptable.
k Values are determined at a test temperature of −20 °C, see 9.14.
l Applies to d W 16 mm. m Value for KV is under investigation.
n Instead of ISO 6157-1, ISO 6157-3 may apply by agreement between the manufacturer and the purchaser.


 

Materials and Chemical compstition

1008

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Al
0.06 0.06 0.33 0.013 0.003 0.01 0 0.01 0.028

 

 

1035

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.34 0.13 0.73 0.012 0.002 0.02 0.01 0.02

 

 

10B21

CHEMICAL COMPOSI %
C Si Mn P S Cr B
0.2 0.04 0.81 0.017 0.007 0.017 0.0021

 

 

1045

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.45 0.23 0.58 0.014 0.006 0.057 0.008 0.016

 

40CR

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.4 0.21 0.54 0.015 0.008 0.95 0.02 0.02

 

35CRMO

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Mo
0.35 0.22 0.59 0.01 0.003 0.93 0.01 0.01 0.21

 

 

42CRMO

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Mo
0.42 0.27 0.92 0.013 0.004 1.01 0.03 0.04 0.2

 

 

Finish

 

PLAIN ZP YZP BLACK HDG DACROMET GEOMET CHROME NICKEL AND SO ON

 

 

 

 

PACKING

QBH BULK

20-25KG/CTN,36CTNS/PALLET

20-30KG/BAGS,36BAGS/PALLET

ONE TON/BOXES

50KG/ IRON DRUM,12 IRON DRUMS/PALLET

 

QBH SMALL PACKING

Packing in small boxes according to customer’s requirements

Packing in plastic bag according to customer’s requirements

 

QBH PALLET TYPE

SOLID WOOD FUMIGATION PALLET

EURO Pallet

THREE SPLINT PALLET

WOODEN BOX

 

 

The advantages of QBH

  • QBH brand sales to the main quality assurance.
  • Years of export trade management, excellent service, word-of-mouth guarantee.
  • By working with TUV,escort for quality.
  • Customization of non-standard parts can be made according to customer's requirements and drawings.
  • For quality customers,we can provide a certain credit period.
     
  •  

ISO4014 definition

l This standard specification for the iso 4014 bolt material includes the characteristics of threaded hexagon head bolts with a size ranging from M1,6 up to and including the iso 4014 bolt length M64 of product grade A. An the size range for threads ranging from M1,6 to M24 and nominal lengths up to and including 10d or 150 mm, whichever is the shorter for product grade B.

l Commercially, the steel quality used to manufacture of the iso 4014 grade 8.8 bolts includes grades A2 and A4 class 70. The tensile strength for both these steel grades is around 700 Mpa. The strength of the iso 4014 bolt m10x18 is indicated by the marking on the head and it is also defined by the applicable product standard. The A2 version of the iso 4014 bolt material is manufactured from Stainless Steel grade 304, which is known for its Corrosion Resistant properties.

l This can be attributed to the high content of chromium and nickel in the alloy of the iso 4014 bolt m8x15 (Metallurgically, the A2 or the ASTM-304 has a designation of 18/8 Stainless Steel or 18% Chromium & 8% Nickel). Although the A2 is mostly considered to be a non-magnetic austenitic stainless steel grade, some residual magnetism of the alloy can be introduced when the material of the ISO 4014 Bolts are cold worked.

l Similar to the A2, the A4-70 iso 4014 bolt material specification is an austenitic, acid proof stainless grade. Usually, the A4-70 is manufactured from stainless steel grade 316 material or its low carbon variant grade 316L. stainless steel grade 316 has been cold worked to provide a minimum tensile iso 4014 bolt strength of 700 MPa.

l As compared to stainless steel grade 304, grade 316 provides better overall corrosion resistant properties. This holds true particularly as grade 316 stainless steel has a higher resistance to both pitting as well as crevice corrosion in chloride environments. The good corrosion properties of the iso 4014 hex bolt manufactured from grade 316 stainless steel can be attributed to the high molybdenum content in its alloy.

 

 

 

Tags: 

IFI Steel Hex Bolt,  

ASME Stainless Steel Hex Head Bolts,  

A490M Steel Hex Bolt

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products
PRODUCTS DETAILS
Products

Steel Nut Bolts

Steel Hex Bolt

Carbon Steel Bolt

High Tensile Stainless Steel Bolts

Carbon Steel Nuts

Stainless Steel Nut

Steel Flat Washer

Spring Steel Washers

Stainless Steel Washer

Fully Threaded Studs

Non Standard Fasteners

Seismic Wedge Anchors

Self Tapping Screw

Electrical Fasteners

Solar Panel Fasteners

Stainless Steel Shackle
ISO4014 AS1110 Half Coarse Thread CL12.9 Carbon Steel Bolt
  • name
  • name
  • name
  • name
ISO4014 AS1110 Half Coarse Thread CL12.9 Carbon Steel Bolt
MOQ: 900kg
Price: Negotiation
Standard Packaging: 25KG/CTN,36CTN/PALLET or small packing
Delivery Period: 30DAYS
Payment Method: L/C, T/T
Supply Capacity: 500TON/MONTH
Detail Information
Product Description
Detail Information
Place of Origin
CHINA
Brand Name
QBH
Certification
ISO9001
Model Number
ISO4014
Standard:
DIN6914
Material:
Carbon Steel
Size:
M5-M52
Finish:
ZP YZP HDG BLACK
Grade:
4.8 6.8 8.8 10.9 12.9
Packing:
Carton And Pallet Or According To The Customer's Requirement
Sample:
Free Sample
Thread:
Machine Thread
Lead Time:
Per On Order Quantity
Type:
Hexagon Head
Advantage:
We Can Manufacture According To Client Design,OEM / ODM / Customized Service Provided
Oem:
Yes,welcome
Minimum Order Quantity:
900kg
Price:
Negotiation
Packaging Details:
25KG/CTN,36CTN/PALLET or small packing
Delivery Time:
30DAYS
Payment Terms:
L/C, T/T
Supply Ability:
500TON/MONTH
High Light

AS1110 Carbon Steel Bolt

,

CL12.9 Carbon Steel Bolt

,

ISO4014 Hexagon Head Bolts With Shank

Product Description

 

Specification

 

 

ISO 4014 Hex Head Bolts have coarse external machine screw threads, are partially threaded and mate with nuts and tapped holes. Their dimensions are similar to DIN 931 except the hex head width across flats (wrench size) for three sizes—M10, M12 and M14—is 1 mm smaller like ANSI B18.2.3.1M. Compared to JIS B1180 sizes M8, M10 and M12, head width across flats of ISO 4014 is 1-2 mm larger. Select from Class 8.8 and 10.9 steel and either zinc plated or unplated plain finish, which can rust. Thread tolerance is 6g for plain finish and 6h for plated; right-hand threads are standard. Commonly referred to as hex head cap screws, minimum length of the threaded section is based on bolt size—larger bolts have more threads. Measure their length from under the head to the tip.

 

The iso 4014 hex bolt can be surface treated to a variety of coatings. For instance, it can be coated with zinc by either electroplating (clear (blue) zinc electroplated and yellow zinc electroplated) or by immersing the fastener in zinc during hot dip galvanization. Other surface treating techniques include the fasteners being treated with finishes like auto black, dacromet, geomet and phosphate. Plating the alloy may also be used to increase the iso 4014 bolt weight.

 

 

 

ISO4014/AS1110 - Hexagon head bolts with shank

Current norm: DIN931
Equivalent norms: ISO 4014; CSN 021101; PN 82101; UNI 5737; EU 24014

 

 

 

ISO4014 AS1110 Half Coarse Thread CL12.9 Carbon Steel Bolt 0

 

 

 

 

Legend:

l - length of bolt

Makings:QBH

Steel: 5.6,5.8,8.8,10.9,12.9
Stainless: A2,A4
Plastic: -
Non Ferrous: Brass
Thread: 6g

ISO4014

 

Screw Thread
d
M1.6 M2 M2.5 M3 (M3.5) M4 M5 M6 M8 M10 M12 (M14) M16 (M18) M20
P Pitch
b L≤125
125＜L≤200
L＞200
c max
min
da max
ds max=nominal size
Grade A min
Grade B min
dw Grade A min
Grade B min
e Grade A min
Grade B min
L1 max  
k Nominal Size  
Grade A max
min
Grade B max
min
k1 Grade A min
Grade B min
r min  
s max=nominal size  
Grade A min
Grade B min
0.35 0.4 0.45 0.5 0.6 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5 2.5
9 10 11 12 13 14 16 18 22 26 30 34 38 42 46
15 16 17 18 19 20 22 24 28 32 36 40 44 48 52
28 29 30 31 32 33 35 37 41 45 49 53 57 61 65
0.25 0.25 0.25 0.4 0.4 0.4 0.5 0.5 0.6 0.6 0.6 0.6 0.8 0.8 0.8
0.1 0.1 0.1 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.2 0.2 0.2
2 2.6 3.1 3.6 4.1 4.7 5.7 6.8 9.2 11.2 13.7 15.7 17.7 20.2 22.4
1.6 2 2.5 3 3.5 4 5 6 8 10 12 14 16 18 20
1.46 1.86 2.36 2.86 3.32 3.82 4.82 5.82 7.78 9.78 11.73 13.73 15.73 17.73 19.67
1.35 1.75 2.25 2.75 3.2 3.7 4.7 5.7 7.64 9.64 11.57 13.57 15.57 17.57 19.48
2.27 3.07 4.07 4.57 5.07 5.88 6.88 8.88 11.63 14.63 16.63 19.64 22.49 25.34 28.19
2.3 2.95 3.95 4.45 4.95 5.74 6.74 8.74 11.47 14.47 16.47 19.15 22 24.85 27.7
3.41 4.32 5.45 6.01 6.58 7.66 8.79 11.05 14.38 17.77 20.03 23.36 26.75 30.14 33.53
3.28 4.18 5.31 5.88 6.44 7.5 8.63 10.89 14.2 17.59 19.85 22.78 26.17 29.56 32.95
0.6 0.8 1 1 1 1.2 1.2 1.4 2 2 3 3 3 3 4
1.1 1.4 1.7 2 2.4 2.8 3.5 4 5.3 6.4 7.5 8.8 10 11.5 12.5
1.225 1.525 1.825 2.125 2.525 2.925 3.65 4.15 5.45 6.58 7.68 8.98 10.18 11.715 12.715
0.975 1.275 1.575 1.875 2.275 2.675 3.35 3.85 5.15 6.22 7.32 8.62 9.82 11.285 12.285
1.3 1.6 1.9 2.2 2.6 3 3.74 4.24 5.54 6.69 7.79 9.09 10.29 11.85 12.85
0.9 1.2 1.5 1.8 2.2 2.6 3.26 3.76 5.06 6.11 7.21 8.51 9.71 11.15 12.15
0.68 0.89 1.1 1.31 1.59 1.87 2.35 2.7 3.61 4.35 5.12 6.03 6.87 7.9 8.6
0.63 0.84 1.05 1.26 1.54 1.82 2.28 2.63 3.54 4.28 5.05 5.96 6.8 7.81 8.51
0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.25 0.4 0.4 0.6 0.6 0.6 0.6 0.8
3.2 4 5 5.5 6 7 8 10 13 16 18 21 24 27 30
3.02 3.82 4.82 5.32 5.82 6.78 7.78 9.78 12.73 15.73 17.73 20.67 23.67 26.67 29.67
2.9 3.7 4.7 5.2 5.7 6.64 7.64 9.64 12.57 15.57 17.57 20.16 23.16 26.16 29.16
Length of Thread b
 
- - - - - - - - - - - - - - -

 

Screw Thread
d
(M22) M24 (M27) M30 (M33) M36 (M39) M42 (M45) M48 (M52) M56 (M60) M64
P Pitch
b L≤125
125＜L≤200
L＞200
c max
min
da max
ds max=nominal size
Grade A min
Grade B min
dw Grade A min
Grade B min
e Grade A min
Grade B min
L1 max  
k Nominal Size  
Grade A max
min
Grade B max
min
k1 Grade A min
Grade B min
r min  
s max=nominal size  
Grade A min
Grade B min
2.5 3 3 3.5 3.5 4 4 4.5 4.5 5 5 5.5 5.5 6
50 54 60 66 - - - - - - - - - -
56 60 66 72 78 84 90 96 102 108 116 - - -
69 73 79 85 91 97 103 109 115 121 129 137 145 153
0.8 0.8 0.8 0.8 0.8 0.8 1 1 1 1 1 1 1 1
0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
24.4 26.4 30.4 33.4 36.4 39.4 42.4 45.6 48.6 52.6 56.6 63 67 71
22 24 27 30 33 36 39 42 45 48 52 56 60 64
21.67 23.67 - - - - - - - - - - - -
21.48 23.48 26.48 29.48 32.38 35.38 38.38 41.38 44.38 47.38 51.26 55.26 59.26 63.26
31.71 33.61 - - - - - - - - - - - -
31.35 33.25 38 42.75 46.55 51.11 55.86 59.95 64.7 69.45 74.2 78.66 83.41 88.16
37.72 39.98 - - - - - - - - - - - -
37.29 39.55 45.2 50.85 55.37 60.79 66.44 71.3 76.95 82.6 88.25 93.56 99.21 104.86
4 4 6 6 6 6 6 8 8 10 10 12 12 13
14 15 17 18.7 21 22.5 25 26 28 30 33 35 38 40
14.215 15.215 - - - - - - - - - - - -
13.785 14.785 - - - - - - - - - - - -
14.35 15.35 17.35 19.12 21.42 22.92 25.42 26.42 28.42 30.42 33.5 35.5 38.5 40.5
13.65 14.65 16.65 18.28 20.58 22.08 24.58 25.58 27.58 29.58 32.5 34.5 37.5 39.5
9.65 10.35 - - - - - - - - - - - -
9.56 10.26 11.66 12.8 14.41 15.46 17.21 17.91 19.31 20.71 22.75 24.15 26.25 27.65
0.8 0.8 1 1 1 1 1 1.2 1.2 1.6 1.6 2 2 2
34 36 41 46 50 55 60 65 70 75 80 85 90 95
33.38 35.38 - - - - - - - - - - - -
33 35 40 45 49 53.8 58.8 63.1 68.1 73.1 78.1 82.8 87.8 92.8

 

 

 

 

Process flow

Cold forging

Annealing treatment(if need) ➨ wiredrawing ➨ clod forging ➨ thread rolling ➨make heat treatment(if need) ➨ Finish ➨ Packing

 

Hot forging

Cutting material ➨ hot forging ➨ turning ➨ shrink diameter(half thread) ➨thread rolling ➨ make heat treatment(if need) ➨ Finish ➨ Packing

 

 

 

 

 

Product Grade

 

Class4.8 Class5.8 Class6.8 Class8.8 Class10.9 Class12.9

NO. Mechanical or
physical property		 Property class
4.6 4.8 5.6 5.8 6.8 8.8 9.8 10.9 12.9/12.9
D≤16mma d＞16mmb d≤16mm
1 Tensile strength
Rm,Mpa		 nom.c 400 500 600 800 900 1000 1200
max. 400 420 500 520 600 800 830 900 1040 1220
2 Lower yield strength
ReL,Mpa		 nom.c 240 —— 300 —— —— —— —— —— —— ——
max. 240 —— 300 —— —— —— —— —— —— ——
3 Stress at 0,2 % nonproportional elongation
Rp0.2,Mpa		 nom.c —— —— —— —— —— 640 640 720 900 1080
max. —— —— —— —— —— 640 660 720 940 1100
4 Stress at 0,0048 d non-proportional elongation for
full-size fasteners
Rpf,Mpa		 nom.c —— 320 —— 400 480 —— —— —— —— ——
max. —— 340e —— 420e 480e —— —— —— —— ——
5 Stress under proof load
Spf,Mpa		 nom. 225 310 280 380 440 580 600 650 830 970
Proof Sp,nom/ReL min Or
strength Sp,nom/Rp0.2min Or
rati Sp,nom/Rpf min
 		 0.94 0.91 0.93 0.9 0.92 0.91 0.91 0.9 0.88 0.88
6 Percentage elongation
after fracture for
machined test pieces,A,%		 min. 22 -— 20 —— —— 12 12 10 9 8
7 Percentage reduction of area after
fracture for machined test pieces,Z,%		 min. —— 52 48 48 44
8 Elongation after fracture for full-size
fasteners,Af		 min. —— 0.24 —— 0.22 0.2 —— —— —— —— ——
9 Head soundness No fracture
10 Vickers hardness, HV,
F≥98N		 min. 120 130 155 160 190 250 255 290 320 385
max. 220g 250 320 335 360 380 435
11 Brinell hardness, HBW
,F=30D²		 min. 114 124 147 152 181 238 242 276 304 366
max. 209g 238 304 318 342 361 414
12 Rockwell hardness,HRB ,
HRB		 min. 67 71 79 82 89 　
max. 95g 99.5 　
Rockwell hardness,
HRC		 min. —— 22 23 28 32 39
max. —— 32 34 37 39 44
13 Surface hardness
HV 0.3		 max. —— h h,j h,j
14 Height of non-decarburized thread zone,E,mm min. —— 1/2H1 2/3H1 3/4H1
Depth of complete decarburization in the
thread,G,mm		 max. —— 0.015
15 Reduction of hardness after retempering,HV max. —— 20
16 Breaking torque,
MB,N·m		 min. —— in accordance with ISO 898-7
17 Impact strength,
KVK,I,J		 min. —— 27 —— 27 27 27 27 m
18 Surface integrity in accordance with ISO 6157-1n ISO 6157-3

a Values do not apply for structural bolting.
b For structural bolting d W M12.
c Nominal values are specified only for the purpose of the designation system for property classes.See Clause 5.
d In cases where the lower yield strength ReL cannot be determined, it is permissible to measure the stress at 0,2 % non-proportional elongation Rp0,2.
e For the property classes 4.8, 5.8 and 6.8 the values for Rpf min are under investigation. The present values are given for calculation of the proof stress ratio only. They are not test values.
f Proof loads are specified in Tables 5 and 7.
g Hardness determined at the end of a fastener shall be 250 HV, 238 HB or 99,5 HRB maximum.
h Surface hardness shall not be more than 30 Vickers points above the measured core hardness of the fastener when determination of both surface hardness and core hardness are carried out with HV 0,3.
i Any increase in hardness at the surface which indicates that the surface hardness exceeds 390 HV is not acceptable.
j Any increase in hardness at the surface which indicates that the surface hardness exceeds 435 HV is not acceptable.
k Values are determined at a test temperature of −20 °C, see 9.14.
l Applies to d W 16 mm. m Value for KV is under investigation.
n Instead of ISO 6157-1, ISO 6157-3 may apply by agreement between the manufacturer and the purchaser.


 

Materials and Chemical compstition

1008

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Al
0.06 0.06 0.33 0.013 0.003 0.01 0 0.01 0.028

 

 

1035

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.34 0.13 0.73 0.012 0.002 0.02 0.01 0.02

 

 

10B21

CHEMICAL COMPOSI %
C Si Mn P S Cr B
0.2 0.04 0.81 0.017 0.007 0.017 0.0021

 

 

1045

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.45 0.23 0.58 0.014 0.006 0.057 0.008 0.016

 

40CR

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.4 0.21 0.54 0.015 0.008 0.95 0.02 0.02

 

35CRMO

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Mo
0.35 0.22 0.59 0.01 0.003 0.93 0.01 0.01 0.21

 

 

42CRMO

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Mo
0.42 0.27 0.92 0.013 0.004 1.01 0.03 0.04 0.2

 

 

Finish

 

PLAIN ZP YZP BLACK HDG DACROMET GEOMET CHROME NICKEL AND SO ON

 

 

 

 

PACKING

QBH BULK

20-25KG/CTN,36CTNS/PALLET

20-30KG/BAGS,36BAGS/PALLET

ONE TON/BOXES

50KG/ IRON DRUM,12 IRON DRUMS/PALLET

 

QBH SMALL PACKING

Packing in small boxes according to customer’s requirements

Packing in plastic bag according to customer’s requirements

 

QBH PALLET TYPE

SOLID WOOD FUMIGATION PALLET

EURO Pallet

THREE SPLINT PALLET

WOODEN BOX

 

 

The advantages of QBH

  • QBH brand sales to the main quality assurance.
  • Years of export trade management, excellent service, word-of-mouth guarantee.
  • By working with TUV,escort for quality.
  • Customization of non-standard parts can be made according to customer's requirements and drawings.
  • For quality customers,we can provide a certain credit period.
     
  •  

ISO4014 definition

l This standard specification for the iso 4014 bolt material includes the characteristics of threaded hexagon head bolts with a size ranging from M1,6 up to and including the iso 4014 bolt length M64 of product grade A. An the size range for threads ranging from M1,6 to M24 and nominal lengths up to and including 10d or 150 mm, whichever is the shorter for product grade B.

l Commercially, the steel quality used to manufacture of the iso 4014 grade 8.8 bolts includes grades A2 and A4 class 70. The tensile strength for both these steel grades is around 700 Mpa. The strength of the iso 4014 bolt m10x18 is indicated by the marking on the head and it is also defined by the applicable product standard. The A2 version of the iso 4014 bolt material is manufactured from Stainless Steel grade 304, which is known for its Corrosion Resistant properties.

l This can be attributed to the high content of chromium and nickel in the alloy of the iso 4014 bolt m8x15 (Metallurgically, the A2 or the ASTM-304 has a designation of 18/8 Stainless Steel or 18% Chromium & 8% Nickel). Although the A2 is mostly considered to be a non-magnetic austenitic stainless steel grade, some residual magnetism of the alloy can be introduced when the material of the ISO 4014 Bolts are cold worked.

l Similar to the A2, the A4-70 iso 4014 bolt material specification is an austenitic, acid proof stainless grade. Usually, the A4-70 is manufactured from stainless steel grade 316 material or its low carbon variant grade 316L. stainless steel grade 316 has been cold worked to provide a minimum tensile iso 4014 bolt strength of 700 MPa.

l As compared to stainless steel grade 304, grade 316 provides better overall corrosion resistant properties. This holds true particularly as grade 316 stainless steel has a higher resistance to both pitting as well as crevice corrosion in chloride environments. The good corrosion properties of the iso 4014 hex bolt manufactured from grade 316 stainless steel can be attributed to the high molybdenum content in its alloy.

 

 

 

Tags: 

IFI Steel Hex Bolt,

ASME Stainless Steel Hex Head Bolts,

A490M Steel Hex Bolt

Jiaxing City Qunbang Hardware Co., Ltd
No.375,Tongle Road,Jiaxing City,Zhejiang Province,China
Tel: +86-13511332403
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