Self-tapping, Self-drilling Screw
May 26, 2007
self drilling divided into pan head / countersunk head / hex washer head/ large flange/ nylon head ect.
specification:3.9*9.5, 11, 13, 16, 19, 22, 25, 32, 38, 40, 45, 50, 55, 60, 65, 70, 80, 90, and the largest is 6.3*250MM
the material is Co1022
Cixi Zhencheng Machinery Co., Ltd