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

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 tap screws

,

#6 self tapping screw

,

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

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Product Detail
Brand Name :
Summery
Model Number :
ISO7049
Certification :
DIN7981
Place of Origin :
China,shanghai
MOQ :
Negotiable
Price :
Negotiation
Contact Supplier
Small Galvanized Flange Self Tapping Screws Type C -H DIN 7981 ST3.9x19 With Serration
Small Galvanized Flange Self Tapping Screws Type C -H DIN 7981 ST3.9x19 With Serration

Shanghai Summery Industrial Machine Co. , Ltd.

Active Member
10 Years
shanghai, shanghai
Business Type :
Manufacturer
Main Products :
Flange Head Screws, Cross Head Screw, Self Tapping Screws
Employee Number :
60~80
Certification Level :
Active Member
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