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  • Jiaxing City Qunbang Hardware Co., Ltd
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Phone Number : +86-13511332403
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DIN Length 50mm M6 Carbon Steel Connector Bolts with nuts For Furniture

  • DIN Length 50mm M6 Carbon Steel Connector Bolts with nuts For Furniture
  • DIN Length 50mm M6 Carbon Steel Connector Bolts with nuts For Furniture
  • DIN Length 50mm M6 Carbon Steel Connector Bolts with nuts For Furniture
  • DIN Length 50mm M6 Carbon Steel Connector Bolts with nuts For Furniture
Place of Origin CHINA
Brand Name QBH
Certification ISO9001
Model Number M5-M16
Minimum Order Quantity 1000KG
Price Negotiation
Packaging Details BULK or according customer requirement
Delivery Time 30DAYS
Payment Terms L/C, T/T,OA
Supply Ability 200TON/MONTH

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Product Details
Standard DIN Material Stainless Steel,Carbon Steel,brass
Size M5-M16 Finish According To Your Requirement
Grade SUS304,4.8 Type Precision Nonstandard Parts(OEM Service)
Application Furniture Process Cold Forming ,insert Threading
Warranty 10 Years Port SHANGHAI OR NINGBO
Thread Metric Thread
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M6 Carbon Steel Connector Bolts

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DIN Length 50mm Connector Bolts

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M6 Furniture Connector Bolts
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Product Description

 

M6 Carbon Steel Connector Bolts 50mm Furniture Bolt W/ 6mm Barrel Nuts Connector Fastener bolt & nut kit

 

 

Product Grade

ISO898-1

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  

 

 

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

 

 

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

 

 

 

 

DIN Length 50mm M6 Carbon Steel Connector Bolts with nuts For Furniture 0

 

DIN Length 50mm M6 Carbon Steel Connector Bolts with nuts For Furniture 1

 

DIN Length 50mm M6 Carbon Steel Connector Bolts with nuts For Furniture 2

 

DIN Length 50mm M6 Carbon Steel Connector Bolts with nuts For Furniture 3

 

 

 

 

 

 

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.

 

 

 

 

FAQ

 
1. How do you let me trust you.
 
Jiaxing City Qunbang Hardware Co.,ltd hs its own right of import and export,QBH trademark in China,United States,European Union have been registered.At the same time,you can also check the registration information of our company in the China industry and Commerce system.
 
 
2. How about your price.
 
We will be based on different markets,for different quality and quantity,tailor-made prices for customers,in order to achieve win-win goal.
 
 
3. How do you control your quality.
 
Incoming quality contral( IQC)→Process Quality control(PQC)→Output quality control(OQC),and the random samples is sent to TUV for testing.If the customer received the goods and found quality problems,QBH company promises to be responsible for returning money or replenishing the goods
 
 
4. Could you provide free samples?
 
For new customer, We can provide free samples for standard fastener, But the clients will pay the express
charges. For old customer, We will send you free samples and pay express charges by ourself.
 
 
5. Do you accept small order?
 
QBH company can accept small orders if we have them in stock.Generally speaking,the stock probability of stainless steel fasteners is higher than that of carbon steel fasteners.
 
 
6. How about your delivery time
 
What we pursure is the high efficiency movement pattern,the stainless steel fastener delivery time about 15days,the carbon steel fastener will it about 30days
 
 
7. What is your packing.
 
Usually 25KG/carbon,36CTNS on the pallets,or 20-30kg/Bags,then on the pallet,QBH company personalized packagingis also available,like 10PCS/plastic bag or 10pcs/box,it can print some information
such as LOGO and pattern of customers.
 
 
8. What is your payment term
 
Normally,our terms of payment are TT and L/C,if we cooperate for a long time,we can reach the point of mutual trust,and fully support our customers to become bigger and stronger in the local market.
Not only in the price concessions,but also in the payment can also be made on credit,Specific credit sales time needs to be negotiated separately
 

 

 
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