Professional Bugle Head Drywall Screw With PhillIps Socket Drywall Screw

Carbon steel zinc plated Self drilling screw Place of Origin Yongnian, Hebei, China Diameter 3.5, 4.2, 4.8, 5.5, 6.3 Length 8-100mm Color Black, silvery, yellow, blue white, green, red, etc Surface Plain, black anodized,zinc-plated,HDG,p Hexagon Head With EPDM Self Drilling Screw Washer assivated, etc Material Steel: C45, C46, C20 Grade 4.8, 6.8, 8.8, 10.9, 12.9 Standard GB, DIN Heat-Treatment Tempering,Hardening, Non-standards OEM is available, according to drawing or