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Categories | Self Tapping Screws |
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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 8.0x25 |
Self tapping screws pan head ST8.0x30 ISO7049 DIN7981 type C -H zinc plate
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.
If you are looking for flange head screws, please contact us for further information.
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