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# 7 1/2 in Self Piercing Screw Steel 100 Pk
MALCO HW7X1/2Z-100 51080 100PK ZIP-IN SCREWS
Self Drilling Screws
}
# 7 1/2 in Self Piercing Screw Steel 100 Pk
675315
MFG #: HW7X1/2Z-100
Product ID:675315
Famous Supply
- 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
A unique thread design and quality controlled manufacture spell the Zip-In® difference. Zip-In's® sophisticated heat treat process allows the screw to taper to a fine, sharp point without sacrificing critical point strength. A single starting thread is formed down to the very tip of the point and is the source of Zip-In's® penetrating power. A second thread above the point engages after initial penetration and drills in the screw double fast. Zip-In® screws are faster driving, with a greater capacity for fastening heavier gauges of sheet metal than any other self-piercing type.
- 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 |