Malco® Zip-in® Self-Piercing Sheet Metal Screw, Series: HW, #8 Thread, Double Thread, 1/4 in Head, Hex Washer Head, Slotted Drive, 1/2 in Thread Length, Bright Zinc-Plated
| Drive Type | : | Slotted |
| Finish | : | Bright Zinc-Plated |
| Head Size | : | 1/4 in |
| Head Type | : | Hex Washer |
| Series | : | HW Series |
| Thread Length | : | 1/2 in |
| Thread Size | : | #8 |
| Thread Type | : | Double |
- Undercut indented hex washer slotted head
- Burr-free
- Full 1/4 in (no. 8) head will not strip out of hex driver opening
- One 1/4 in hex driver accommodates all sizes
- Undercut always seats flush
- Single starting thread machined down to very tip of screw point
- Instantly penetrates and engages in heavy-gauge sheet metal and layered light gauge
- Quality controlled heat treat
- Sharp tapered point will not mushroom or break
- No walking
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