|Screw type||Machine screw ,Self tapping screw ,Self drilling screw ,SAMS screw ,Roofing screw ,Wood screw ,Collate screw|
|Head type||Flat head ,Pan head ,Hex head ,Hex washer head ,Truss head , Cap head ,Square head ,Round head ,T head ,Flat head Under cut ,Mushroom head|
|Drive type||6-Lobe, Cross ,Slotted ,Hex socket ,Cross slotted ,Square|
|Material||Carbon steel:C1008 C1015 C1022 C1018 1035ACR SCM435 10B21 Stainless steel:SUS304(A2) SUS316(A4) SUS410(C1)|
|Surface Finish||Zinc plated CR3+ ,Nickel Plating ,Phosphate ,Anodized ,Ruspert ,Dacromet|
Hex Washer Head Self Drilling Screw is a screw with a self-tapping drill head at the front end of the screw. The tail of the screw is like a drill bit and can be drilled by itself. The head of this product is a hex nut. Its high torque transmission force is mostly used for thick screws. Drilling and self-drilling screws can be used to “tapping, drilling, squeezing, pressing” the corresponding threads on the consolidated material by their own threads to make them fit closely.
1. The Hex Washer Head Self Drilling Screw adopts a standard hexagonal structure, which is evenly stressed and is not easy to slip. The inner and outer walls are smooth and complete without burrs, and are not easy to slip when rotated.
2. We use advanced equipment to automate the production process to manufacture bolts, so the section is smooth and complete, and the thread is deep and sharp.
3. The product is made of stainless steel, anti-rust, anti-corrosion, high hardness and no deformation.
4. The stainless steel surface is treated by calendering process, and the surface is smooth and burr-free.
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