Malco® Self-Piercing Sheet Metal Screw, #7 Thread, Combination Lead Double Thread, 1/4 in Head, Hex Washer Head, 1/4 in Drive, Hex, Slotted Drive, 1/2 in Thread Length, Finish: Bright Zinc-Plated
| Drive Size | : | 1/4 in |
| Drive Type | : | Slotted Hex |
| Finish | : | Bright Zinc-Plated |
| Head Size | : | 1/4 in |
| Head Type | : | Hex Washer |
| Thread Length | : | 1/2 in |
| Thread Size | : | #7 |
| Thread Type | : | Combination Lead 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
- Consistent hard point
- Quality controlled heat treat
- Sharp tapered point will not mushroom or break
- No walking
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