self drilling screw 1.feature:hex head,drill-shaped point. 2.material:carbonsteel 3.finished:zinc coated

1.Standard of Sheet Metal Fabrication : DIN 933/931/912,DIN 960/961,IS0 4014/4017,ANSI/ASME B18.2.1 IFI A10

1)Standard of Sheet Metal Fabrication : DIN95/96/97, DIN7995, DIN7997, BS1210, BS1210 Hardened

2)Size of Sheet Metal Fabrication : M2.5-M6, 2#-14#

3)Material of Sheet Metal Fabrication : 6A,8A,brass,stainless steel and so on.

4)Surface of Sheet Metal Fabrication : plain, zinc Cr+3,Yellow Zinc Cr+6  drum

5)Packing: bulk, box packing, polybag

Product name: self drilling screw, Hexagonal head self drilling screw,galvanized self

drilling screw, countersunk head self drilling screw, wafer/frame head self drilling 

screw, slotted countersunk head, cross recessed countersunk head…..

Material: carbon steel C1022

Size:4.0/4.2/4.5/4.8/5.0*19---60mm,

Feature:pan head, drill-shaped point.

Head type: hex/ wafer/frame/countersunk head

Finished: galvanized (color blue/white)

Packing:1000pcs/box,12-20boxes/carton

Usuage: widely used in soft steel, construction, industry, daily life or other metals

 to fasten metal or other hard materials.

Countersunk head Self Drilling Screws