Material:Carbon steel 1022
Main Feature:with drilling point, bugle head, phillips drive, coarse/fine Thread
Finished:Black phosphorus, grey phosphorus, galvanized(bule,white,color)
Package: 1000pcs/box, 16/24boxes/carton, or as customers' special request.
Useage: Light steel keel and plasterboard of between fixed
Drywall screw