Rust prevention,good meterial chose,and successful exprot each month.Supporting sample provide.EPDM or ruber wahser.

hex head self drilling screw with washer

Meterial:

steel,stainless steel

Finish:

zinc plated,steel

Size:

6#	7#	8#	10#	12#	14#
3.5	3.9	4.2	4.8	5.5	6.3

Packaging:

in bulk or in boxes,then in export carton.

Washer meterial:

EPDM,PVC,RUBBER

hex head self drilling screw with washer