Used for attaching drywall to wood or metal studs, these screws are available in fine or coarse thread and feature a black phosphate coating. They are also available with a drill point (for 14 gauge metal studs) or a sharp point (20-26 gauge metal studs).

Normally installed with a screw gun

size	P(T)	Dia(mm)	the dia of griding
#6	17	3.4-3.6	2.7
#6	9	3.65-3.9	2.65
#7	16	3.75-4	3
#7	9	3.9-4.2	2.9
#8	15	4.05-4.3	3.2
#8	9	4.3-4.6	3.2
#10	12	4.7-4.95	3.7
#10	8	4.9-5.3	3.7