Self Tapping screws are used in Wood & Metals works. Majorly Drywall Screws widely used which are Fine Threaded for Steel works & Coarse Threaded for Wood works. Hekko’s Drywall screws are dedicated for high precision Gypsum Board or Ceiling works with a metal channel thickness of 0.5 - 1 mm.
| Dia | Length | Grip Range |
|---|---|---|
| 3.5 (#6) | 13mm to 50mm | #2 |
| 3.9 (#7) | 25mm & 50 mm | #2 |
| 4.2 (#8) | 32mm to 75 mm | #2 |