Screws with sharp points created best to fasten drywalls and which are able to penetrate into drywall sheets.
Drywall screw head are mostly bugle heads, which are shaped like a cone to help the screws stay in place without tearing all the way through the drywall.
Bugle head : This design provides easy countersinking in a variety of different materials and be driven flush with the materials.
Strengths |
||
|---|---|---|
| Size | Torsinal Strength (Lb/in) | Case Hardness (Hv/0.3kg) |
| 3.5mm | 24 min | 500-800 |
| 3.9mm | 28 min | 500-800 |
| 4.2mm | 45 min | 500-800 |
| 4.8mm | 65 min | 500-800 |
Features |
|
|---|---|
| Thread Type | Fine Thread, Coarse Thread, TwinFast |
| Size | #6 ~ #10 (M3.5 ~ M4.8) |
| Length | 1" ~ 6" (19mm ~ 150mm) |
| Finish | Black , Zinc Plated |