Hex Washer Head Hex Flange Head Self Drilling Roofing Screw

Self tapping screws & self drilling screws

Place of Origin:Ningbo, China

Model Number:OEM

Standard:Other

material:carbon steel,

Surface finish:Polishing,zinc plated, hot-dip,black anodize,copper red,etc

Size:all sizes

Head:Flat , Double countersunk ,Pan ,Truss ,Oval ,Wafer,Pan framing ,Bugl

Certificate:ISO9001-2008,SGS,ROHS

Grade:According to customer request

Length:per customer requirement

Color:Requirement

Advantage:

1), we are professional in this line about 20years.

2), we have Two factory

3), good packing, wooden case, bags, carton;