# 7 1/2 in Self Piercing Screw Steel 100 Pk
MALCO HW7X1/2Z-100 51080 100PK ZIP-IN SCREWS
# 7 1/2 in Self Piercing Screw Steel 100 Pk
- Head Size: 1/4 in
- Thread Length: 1/2 in
- Measurement System: Imperial
- Diameter - Thread Size: #7
- Head Type: Hex
- Drive Type: Slotted
- Material: Steel
- Finish: Zinc Plated
- Point Type: Sharp
- Features
| Undercut - indented hex washer slotted head |
| Bright zinc plated |
| 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 |
| Combination lead double thread design |
| 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 |
| Case hardened steel |



