thread screw,Tianjin Quality Fine Thread Gypsum Drywall Screw nail

Drywall Screw
material	C1022, 1022A
diameter	M3.5&#6/M3.9&#7/M4.2&#8/M4.8&#10 or unstandard size
length	13mm-152mm
finish	black/grey phosphate, zinc plated
thread type	fine/twinfast thread, coarse thread
head type	bugle head
packing	1000pcs per box, or small packing as your request, or 25kg per carton
payment term	30%TT in advance and 70% TT before shipment
MOQ	one ton for each size
Usage	drywall screw do much less damage to wood and are easier to remove and even be  reused. More and more widely used in wood,instead of wood screw,metal,all kinds  of  board.

THE SPECIFICATION OF DRYWALL SCREW

fine thread standard
		head width	thread diamter	diameter
6#	3.5	7.9-8.10	3.40-3.60	13-19	0.5
7#	3.9	7.9-8.10	3.70-3.90	25-30	0.8
8#	4.2	7.9-8.10	4.0-4.30	25-30	1.2
10#	4.8	8.5-9.0	4.70-4.90	55-90	1.5
				100-152	2.5
coarse thread standard
		head width	thread diamter	diameter
6#	3.5	7.9-8.10	3.65-3.90	13-19	0.5
7#	3.9	7.9-8.10	3.90-4.20	25-30	0.8
8#	4.2	7.9-8.10	4.30-4.60	25-30	1.2
10#	4.8	8.5-9.0	4.90-5.30	55-90	1.5