Sems Screw with spring washer 1. Head type of screw: different types. 2. Drive of Sems :torx or hex 3. Washer type: with single flat washer,spring washer,cone washer,square washer,tooth washer With double washer,flat and split washer with three washer 4. Material of screw:stainless steel or...
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Sems Machine Combined Screw with Flat Washer
Materials: Carbon Steel + Zinc plated RoHS
SEMS screws are also known asassembly screwsor combine screws
Manufacture Process:
Heading-washer assembly-Threading-Secondary machine-heat treatment-plating-Anti-slipping-Baking-QA-Package-Shipping
Screw Type: Sems Machine Combined Screw with Flat Washer
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