drywall screw material:c1022 finish:black/gray phosphated / yellow/blue zinc plated

drywall screwmaterial:c1022finish:black/gray phosphated / yellow/blue zinc plated

size	kg/1000pcs
3.5*13	0.8
3.5*16	0.94
3.5*19	1.08
3.5*25	1.33
3.5*32	1.65
3.5*35	1.8
3.5*38	1.95
3.5*40	2.02
3.5*45	2.25
3.5*50	2.48
3.5*57	2.81
3.5*64	3.35
3.5*75	3.74

wood screw