Tianjin Sun Rise International Trade Co., Ltd. [China]

self-drilling screw material:c1022 finish:black/gray phosphate / yellow/bule zinc plated

self-drilling screw

drive:conbination,philips,pozi,slotted

thread:coarse,fine,wing teks

head:pan,countersunk,wafer,hex washer,pan farming,bugle

diameter:#6,#8,#10,#12,#14

length:9.5-125material:c1022finish:black/gray phosphate / yellow/bule zinc plated 

self-drilling screw