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GB 5782 Hexagon head bolts
FOB Reference Price:Get Latest Price
US $3.00-10.00 /piece     1 piece(Min.order)
Material:
Steel
Grade:
Class10.9
Finshing:
Black
Specifications:
M10×45(P1.5) M14×60(P2) M30×80(P3.5) All 3 Options
Quantity:
Payment Terms:
LC,DP,WesternUnion,DA
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China Fastener Test Company
Manufacturer
Tel:

86-020-8227 0030

Fax:

86-020-8227 0030

Skype:

www.chinafastener.com

QQ:

7651394125

Email:

huawang@666.com

Basic Info
Standard
GB/T 5782
Material
Steel
Performance Grade
Class10.9
Marks
4037
Surface Treatment
Black
Thread
M-thread
Ex-drive
Hex chamfered single face
Shank
Full thread
Unit
piece
Performance Grade
Class10.9
Tempering temperature min
425℃
Tensile Nom
900MPa
Tensile min
900MPa
Yield strength Nom
720MPa
Yield strength min
720MPa
Proof load Nom
650MPa
Elongation after fracture of machined test pieces min
10%
Percentage reduction of area after fracture, Machined test pieces min
48%
Vickers hardness F no less than 38N min
290HV
Vickers hardness F no less than 38N max
360HV
Brinell hardness F=30D^2 min
286HB
Brinell hardness F=30D^2 max
355HB
Rockwell hardness min
37HRC
Rockwell hardness max
当采用HV0.3测定表面硬度及芯部硬度时,紧固件表面硬度不应比芯部硬度高出30HVHRC
Surface hardness and Core hardness HV0.3
28
Hardness decrease of retempering max
20HV
Absorbed energy min
27J
Surface Treatment
Black
Code
Black
Description
Oily surface, black
Thickness
1u
Appearance
Black
NSSWhiteRust
2
NSSRedRust
2
Product Description

Material/Grade

high strength

8.8 10.9 12.9 level

Stainless steel

304

316 

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