China Factory Supply Drywall Screws C1022A Black Fine Thread Drywall Screws Nail, Find details about China Screw, Drywall Screw from Factory Supply Drywall Screws C1022A Black Fine Thread Drywall Screws Nail
Fine Thread Standrad | ||||
No. | Diameter | Head Width | Thread diameter | Diameter |
6# | 3.5 | 7.9-8.10 | 3.40-3.60 | 13-19 |
7# | 3.9 | 7.9-8.10 | 3.70-3.90 | 25-30 |
8# | 4.2 | 7.9-8.10 | 4.0-4.30 | 25-30 |
10# | 4.8 | 8.5-9.0 | 4.70-4.90 | 55-90 |
Coarse thread standard | ||||
No. | Diameter | Head Width | Thread diameter | Diameter |
6# | 3.5 | 7.9-8.10 | 3.65-3.90 | 13-19 |
7# | 3.9 | 7.9-8.10 | 3.90-4.20 | 25-30 |
8# | 4.2 | 7.9-8.10 | 4.30-4.60 | 25-30 |
10# | 4.8 | 8.5-9.0 | 4.90-5.30 | 55-90 |