1. Manufacturer of self drilling screws, tools, washers, hand tools, power bits, anchors, csks and countersinks export to worldwide.
2. Certificated of ISO 9001.
1. Flat head. 2. Standard :IFL.DIN.JIS. 3. Special design. 4. Size range: M3.5~6.3(6#-14#). 5. Length range: 9mm-200mm.