Sems Screws
Model : N/ATapping screw with flat captive washer, tooth lock washer, int/ext tooth lock washer, split lock washer, square washer.
Tapping screw with flat captive washer, tooth lock washer, int/ext tooth lock washer, split lock washer, square washer.
Overturn the property of stainless steel in your imagine, safe 300, "no heat-menat" high tensile/ high torque, high security, hi anti-corrosiion, equally to class 10.9 in alloy steel, but it’s made of sus 300 series. Non-magnetism, no embrittlement, no contamination.
1. Sizes: 1/2, 3/4, 1, 1 1/4, 1 1/2, 2, 2 1/2, 3, 4, 2 1/4, and 2 3/4 inches. 2. Materials: PVC, ABS, and PP.
1. Thread type: fine thread, coarse thread, twinfast. 2. Size range: #6 ~ #10 (M3.5 ~ M4.8).
To fasten tighter, there's serration beneath the head. It is usually put on office chair, steel table leg and etc.
1. Material: carbon steel, stainless steel. 2. Diameter: #6~#17 or M3.5~M6.3. 3. Length: 3/8~8" or 9.5mm~200mm. 4. Standard: IFI, DIN, JIS, BS.
1. Highest and reliable quality. 2. Perfectly executed design. 3. Using for industry and building structure. 4. Custom-made fasteners. 5. Approx. 1,000tons/month.
Application: industry machines, household appliances, etc.
Application: industry machines, household appliances, etc.
1. Thread type: UNC, UNF. 2. Size range: #4 ~ 5/8" (M2 ~ M36).