Small Galvanized Flange Self Tapping Screws Type C -H DIN 7981 ST3.9x19 With Serration

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Shanghai Summery Industrial Machine Co. , Ltd.

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Small Galvanized Flange Self Tapping Screws Type C -H DIN 7981 ST3.9x19 With Serration

Name: Small Galvanized Flange Self Tapping Screws Type C H DIN 7981 ST39x19 With Serration
Brand: Summery
Price: 1 USD

China Small Galvanized Flange Self Tapping Screws Type C -H DIN 7981 ST3.9x19 With Serration wholesale

Brand Name : Summery

Model Number : ISO7049

Certification : DIN7981

Place of Origin : China,shanghai

MOQ : Negotiable

Price : Negotiation

Payment Terms : L/C, D/A, D/P, Western Union

Supply Ability : 10000000

Delivery Time : 7-10 Days

Packaging Details : Poly bags

Product Name : Self tapping screw

Material : steel

Cross recess : Type H

Surface : Zinc plate

Project : ISO7049/DIN7981

Size : ST 3.9x19

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ISO7049 DIN7981 pan head Self tapping screws

This International Standard specifies the characteristics of Cross recessed pan head tapping screws with thread sizes from ST 2,2 to ST 9,5 inclusive.

Surface hardness:The minimum surface hardness after heat treatment shall be 450 HV 0,3

Core hardness:The core hardness af?er heat treatment shall be
270 HV 5 to 390 HV 5 for threads S ST3,9, and
270 HV 10 to 390 HV 10 for threads > ST4,2.

Self tapping screws torsional strength

Small Galvanized Flange Self Tapping Screws Type C -H DIN 7981 ST3.9x19 With Serration

Product Tags:

self tapping pan head screws

self tapping galvanized screws

Small Galvanized Flange Self Tapping Screws Type C -H DIN 7981 ST3.9x19 With Serration Images

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