"Common types of screws and common screw materials", there are many commonly used screw materials, roughly two kinds, one is carbon steel, that is, iron, carbon steel can be divided into low carbon steel, medium carbon steel, high carbon steel. The other is stainless steel, stainless steel has stainless steel SUS201.304.316 and so on.
Common screw type editing
A: Machine Screw: Machine Screw
B: Tapping Screw: Self-tapping screws (used in metal and used in plastic)
B-1: Sheet Metal Tapping Screw.
B-2: Plastic Tapping Screw. (for plastic, self-tapping screws)
C: Wooden Screw
D: Drywall Screw: Cement Wall Screw
E: Self Drilling Screws Drilling Screws (Stainless Steel Self Drilling Screws, Composite Drilling Screws) This product is suitable for use.
1 stainless steel plate, metal steel plate, galvanized steel plate, engineering installation.
2 metal curtain wall metal light compartment and other indoor and outdoor installation.
3 General angle steel, channel steel, iron plate, and other metal materials are installed together.
4. Assembly work of automobile wagons, container boxes, shipbuilding industry, refrigeration equipment, etc.
Various head shapes for the screws. Cylindrical head. Half sinking head. Shentou. Spherical cylindrical head. Pan's head. Semicircular head. Hex Head.
Screw head type: