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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 5.5x25
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.
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.
If you are looking for flange head screws, please contact us for further information.
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OEM Type H Self Tapping Screws , Flat Head Galvanized Sheet Metal Screws Images |