Click on the image to check the artwork
By certification 
As one of the leading hex washer head self tapping screw manufacturers and suppliers in China, Zhencheng Machinery deserves your trust. Please feel free to import cheap, low price and customized hex washer head self tapping screw which is one of the famous such brands from our factory.
Product introduction：
Specification: Slotted Hex Washer Head Self Tapping Screws
Place of Origin:Zhejiang, China (Mainland)
Brand Name:ZC
Standard:DIN
Material:Carbon Steel
Finish:Blue Zinc Plate
Surface treatment:Heat Treating
Type: HEX WASHER HEAD
Color:Zinc White
Packing:Carton
Item:China Fastener
Application:Building
Packaging Details:Small box, carton, pallet, nylon bag, for self drilling screw
Product Description
1. Grade: C1022
2. Size: ST3.5, ST3.9,ST4.2,ST4.8, ST5.5，ST6.3
3. Length：13-120mm
4. Standard: DIN
5. Certification: ISO9001, CE
Product Name:Self tapping screw
Material: Carbon steel
Used:building industry machinery
