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Home Products Cup Head Bolts JIS 1171 Cup head square neck bolts
JIS 1171 Cup head square neck bolts
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Material：
Steel
Grade：
Class 4.8
Finshing：
Blue-white zinc
Specifications：
M8×12(P1.25) All 1 Options
Quantity：
Payment Terms：
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Handan Yongnian District Nuowei Fastener Co.,Ltd
Manufacturer
Tel：

86-156-30013506

QQ：

1244674890

Email：

zmw@nuoweifastener.com

Basic Info
Standard
JIS B1171
Material
Steel
Performance Grade
Class 4.8
Surface Treatment
Blue-white zinc
Thread
M-thread
Ex-drive
Cup head square neck
Shank
Full thread
Brand
NUOWEI
Unit
piece
Performance Grade
Class 4.8
Tensile Nom
400MPa
Tensile min
420MPa
Yield strength Nom
340MPa
Yield strength min
340MPa
Proof load Nom
310MPa
Vickers hardness F no less than 38N min
130HV
Vickers hardness F no less than 38N max
220HV
Brinell hardness F=30D^2 min
124HB
Brinell hardness F=30D^2 max
209HB
Rockwell hardness min
71HRB
Rockwell hardness max
95HRB
Surface Treatment
Blue-white zinc
Code
A2K
Description
Blue-white zinc, bright surface
Thickness
5um
Appearance
Bright,bluish to bluish iridescent
NSSWhiteRust
12
NSSRedRust
36
Product Description

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