GB 1230 Washers for high strength steel structural

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Material：

Steel

Grade：

300HV

Finshing：

Blue-white zinc, Yellow zinc, Black, Dacromet, Black zinc

Specifications：

Φ12 Φ16 Φ20 Φ22 Φ24 Φ27 Φ30 All 7 Options

Quantity：

Payment Terms：

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Suzhou YNK Fastener Co., Ltd.

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Tel：

86-512-67203987

Email：

joy@ynkfastener.com

Product Details
Dimensional Drawing
3D Model
Substitution Standard

Basic Info

Standard

GB/T 1230

Material

Steel

Performance Grade

300HV

Brand

YNK

Unit

MPCS

Surface Treatment

Plain, Blue-white zinc, Yellow zinc, Black, Hot dip galvanized, Dacromet, Black zinc

Performance Grade

300HV

Vickers hardness max

370HVHV

Vickers hardness min

300HVHV

Surface Treatment

Blue-white zincYellow zincBlackDacrometBlack zinc

Code

A2K

Description

Blue-white zinc, bright surface

Thickness

5um

Appearance

Bright,bluish to bluish iridescent

NSSWhiteRust

NSSRedRust

Code

A2C

Description

Yellow zinc, not bright surface

Thickness

5um

Appearance

Dull,yellowish gleaming to yellow-brown,iridescent

NSSWhiteRust

NSSRedRust

Code

Black

Description

Oily surface, black

Thickness

Appearance

Black

NSSWhiteRust

NSSRedRust

Code

FlZnyc960

Description

Passivation

Thickness

9um

Appearance

Silver paint

NSSWhiteRust

960

NSSRedRust

960

Code

A2R

Description

Black zinc, not bright surface

Thickness

5um

Appearance

Dull,brown-black to black

NSSWhiteRust

NSSRedRust

Product Description

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Suzhou YNK Fastener Co., Ltd.

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Basic Info

Performance Grade

Surface Treatment

Product Description

Substitution standard

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