Bugle Head Phosphate Coarse Thread Drywall Screws C1022a Hardened

We are offering our customers an excellent quality range of Bugle Head Phosphate Coarse Thread Drywall Screws C1022A Hardened with following specifications :
1. Material: carbon steel
2. Size: dia: 3.5, 3.9, 4.2, 4.8(#6-#10) length: 19mm-150mm
3.5*19
3.9*25
4.2*32
4.8*38
3.5*25
3.9*32
4.2*38
4.8*50
3.5*28
3.9*35
4.2*50
4.8*75
3.5*32
3.9*38
4.2*55
4.8*90
3.5*35
3.9*41
4.2*63
4.8*100
3.5*38
3.9*45
4.2*75
4.8*110
3.5*41
3.9*50
4.2*80
4.8*120
3.5*45
3.9*55
4.2*90
4.8*140
3.5*50
3. Feature: bugle head (flat head), Phillips drive, coarse thread , sharp point
4. Surface treatment: black phosphate
5. Application: As fasteners, more and more widely used in hard wood, drop ceiling, furniture-making, gypsum board/plaster board decoration, sheet iron-machining, light steel joist and construction so on
6. Packaging: small size: 1000pcs/box,big size: 500pcs/box, 12/20boxes/carton or in bulk or as you require