wafer head slotted drive machine screw - Jiaxing Cavort Hardware Co.,Ltd.

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wafer head slotted drive machine screw

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Material：

Steel

Grade：

Class 4.8

Finshing：

Blue-white zinc

Specifications：

M4×20 All 1 Options

Quantity：

Payment Terms：

LC,TT

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Jiaxing Cavort Hardware Co.,Ltd.

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Tel：

86-0573-82646333

Fax：

86-0573-82648555

Skype：

cavort_sales4

QQ：

2685511092

Email：

exp.manager@nbcavort.com

Product Details

Basic Info

Material

Steel

Performance Grade

Class 4.8

Surface Treatment

Blue-white zinc

Thread

M-thread

Shank

Full thread

Unit

MPCS

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

NSSRedRust

Product Description

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Jiaxing Cavort Hardware Co.,Ltd.

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