Carbon Steel DIN6921 Metric A2 80 Stainless Steel Flange Bolt

Place of Origin CHINA
Brand Name QBH
Certification ISO9001
Model Number DIN6921
Minimum Order Quantity 900kg
Price 2400USD-3400USD/TON
Packaging Details 25KG/CTN,36CTN/PALLET or small packing
Delivery Time 30DAYS
Payment Terms L/C, T/T
Supply Ability 500TON/MONTH
Product Details
Standard DIN6921 Material Stainless Steel
Size M5-M20 Finish Plain
Grade A2-70 A2-80 A4-70 A4-80 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
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Hexagon Head Stainless Steel Flange Bolt

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DIN6921 Stainless Steel Flange Bolt

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DIN6921 Stainless Steel Metric Bolts

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Product Description

 

Specification

 

DIN 6921 - Hexagon flange bolts metric

Current norm: DIN EN 1665

Carbon Steel DIN6921 Metric A2 80 Stainless Steel Flange Bolt 0

Legend:

d2 - the inner diameter of the ring
b - length of the thread (at least)
l - length of bolt
d - the nominal diameter of the thread
k - head height
s - size hex head turnkey

Makings:QBH
Stainless: A2-70,A2-80,A4-70,A4-80
Plastic: -
Non Ferrous: -
Thread: 6g

 

Table according to DIN 6921:

 

Tdread M5 M6 M8 M10 M12 (M14) M16 M20
size d - - M8 x 1 M10 x 1,25 M12 x 1,5 (M14x1,5) M16 x 1,5 M20 x 1,5
- - - (M10 x 1) (M10 x 1,25) - - -
P 0,8 1 1,25 1,5 1,75 2 2 2,5
C Min. 1 1,1 1,2 1,5 1,8 2,1 2,4 3
da Min. 5 6 8 10 12 14 16 20
Max. 5,75 6,75 8,75 10,8 13 15,1 17,3 21,6
dc Max. 11,8 14,2 17,9 21,8 26 29,9 34,5 42,8
dw Min. 9,8 12,2 15,8 19,6 23,8 27,6 31,9 39,9
e Min. 8,79 11,05 14,38 16,64 20,03 23,36 26,75 32,95
h Max. 6,2 7,3 9,4 11,4 13,8 15,9 18,3 22,4
m Min. 4,7 5,7 7,6 9,6 11,6 13,3 15,3 18,9
Min. 2,2 3,1 4,5 5,5 6,7 7,8 9 11,1
s Nominal size
=max.
8 10 13 15 18 21 24 30
Min. 7,78 9,78 12,73 14,73 17,73 20,67 23,67 29,16
r Max. 0,3 0,36 0,48 0,6 0,72 0,88 0,96 1,2

Tab 2

Thread d M5 M6 M8 M10 M12 M14 M16 M 20  
- - M8 x 1 M10 x 1,25 M12 x 1,5 M14 x 1,5 M16 x 1,5 M20 x 1,5  
- - - (M10 x 1) (M12 x 1,25) - - -  
l Shank lengtds  
 
nominal
dimension
min. max. ls min. lg max ls min. lg max ls min. lg max ls min. lg max ls min. lg max ls min. lg max ls min. lg max ls min. lg max  
10 9,71 10,29 - 2,4                              
12 11,65 12,35 - 2,4 - 3                          
16 15,65 16,35 - 2,4 - 3 - 4                      
20 19,58 20,42 - 4 - 3 - 4 - 4,5                  
25 24,58 25,42 5 9 2 7 - 4 - 4,5 - 5,3              
30 29,58 30,42 10 14 7 12 - 8 - 4,5 - 5,3 - 6          
35 34,5 35,5 15 19 12 17 6,75 13 - 9 - 5,3 - 6 - 6      
40 39,5 40,5 20 24 17 22 11,75 18 6,5 14 - 10 - 6 - 6 - 7,5  
45 44,5 45,5 25 29 22 27 16,75 23 11,5 19 6,25 15 - 11 - 6 - 7,5  
50 49,5 50,5 30 34 27 32 21,75 28 16,5 24 11,25 20 6 16 - 12 - 7,5  
55 54,4 55,6     32 37 26,75 33 21,5 29 16,25 25 11 21 7 17 - 9  
60 59,4 60,6     37 42 31,75 38 26,5 34 21,25 30 16 26 12 22 - 14  
65 64,4 65,5         36,75 43 31,5 39 26,25 35 21 31 17 27 6,5 19  
70 69,4 70,6         41,75 48 36,5 44 31,25 40 26 36 22 32 11,5 24  
80 79,4 80,6         51,75 58 46,5 54 41,25 50 36 46 32 42 21,5 34  
90 89,3 90,7             56,5 64 51,25 60 46 56 42 52 31,5 44  
100 99,3 100,7             66,5 74 61,25 70 56 66 52 62 41,5 54  
110 109,3 110,7                 71,25 80 66 76 62 72 51,5 54  
120 119,3 120,7                 81,25 90 76 86 72 82 61,5 74  
130 129,2 130,8                     80 90 76 86 65,5 78  
140 139,2 140,8                     90 100 86 96 75,5 88  
150 149,2 150,8                         96 106 85,5 98  
160 159,2 160,8                         106 116 95,5 108  
180 179,2 180,8                             115,5 128  
200 199 201                             135,5 148  

 

 

 

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

304 Grade A2-70 A2-80 316 Grade A4-70 A4-80

 

Materials and Chemical compstition

CHEMICAL COMPOSI(% )
Type C Si Mn P S Ni Cr Mo Cu Others
 
201Cu 0.08 1.00 7.5-10 0.06 0.03 4.00-6.00 14.0-17.0   2.0-3.0  
201 0.15 1.00 8.50 0.06 0.03 3.50-5.50 16.0-18.0     N≤0.25
130M/202 0.15 1.00 7.5-10 0.06 0.03 4.00-6.00 17.0-19.0     N≤0.25
202 0.15 1.00 7.5-10 0.06 0.03 4.00-6.00 17.0-19.0      
301 0.15 1.00 2.00 0.045 0.03 5.00-8.00 16.0-18.0      
302 0.15 1.00 2.00 0.045 0.03 8.00-10.0 17.0-19.0      
XM7
(302HQ)
0.08 1.00 2.00 0.045 0.03 8.50-10.5 17.0-9.00   3.0-4.0  
303 0.15 1.00 2.00 0.20 ≥0.15 8.00-10.0 17.0-19.0 ≤0.60    
303Cu 0.15 1.00 3.00 0.20 ≥0.15 8.0-10.0 17.0-19.0 ≤0.60 1.5-3.5  
304 0.08 1.00 2.00 0.045 0.03 8.00-10.0 18.0-20.0      
304H 0.08 1.00 2.00 0.045 0.03 8.0-10.0 18.0-20.0      
304HC 0.08 1.00 2.00 0.045 0.03 8.00-10.0 17.0-19.0   2.0-3.0  
304HCM 0.08 1.00 2.00 0.045 0.03 8.0-10.0 17.0-19.0   2.5-4.0  
304L 0.03 1.00 2.00 0.045 0.03 9.0-13.0 18.0-20.0      
304M 0.06 1.00 2.00 0.045 0.03 8.50-10.0 18.0-20.0      
305 0.12 1.00 2.00 0.045 0.03 10.5-13.0 17.0-19.0      
305J1 0.08 1.00 2.00 0.045 0.03 11.0-13.5 16.5-19.0      
309S 0.08 1.00 2.00 0.045 0.03 12.0-15.0 22.0-14.0      
310S 0.08 1.50 2.00 0.045 0.03 19.0-22.0 24.0-26.0      
314 0.25 15.-3.0 2.00 0.040 0.03 19.0--22.0 24.0-26.0      
316 0.08 1.00 2.00 0.045 0.03 10.0-14.0 16.0-18.0 2.0-3.0    
316Cu 0.03 1.00 2.00 0.045 0.03 10.0-14.0 16.0-18.0 2.0-3.0 2.0-3.0  
316L
(12Ni)
0.03 1.00 2.00 0.045 0.03 12.0-15.0 16.0-18.0 2.0-3.0    
316L
(10Ni)
0.03 1.00 2.00 0.045 0.03 10.0-14.0 16.0-18.0 2.0-3.0    
321 0.08 1.00 2.00 0.045 0.03 9.00-13.0 17.0-19.0     Ti≤5*C%
410 0.15   1.00   0.03   11.5-13.5      
416 0.15   1.25   ≥0.15   12.0-14.0      
420 0.26-0.4   1.00   0.03   12.0-14.0      
410L 0.30 1.00 1.00 0.040 0.03   11.5-13.5      
430 0.12 0.75 1.00 0.040 0.03   16.0-18.0      
430F 0.12 1.00 1.25 0.060 0.15   16.0-18.0      
631(J1) 0.09 1.00 1.00 0.040 0.03 6.50-8.50 16.0-18.0     AL 0.75-1.5
2520 0.08 1.00 2.00 0.035 0.03 19.0-22.0 24.0-26.0      

 

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.