1/4 x 1/2 in Hex Self-Piercing Sheet Metal Zip Screw, Double Thread 1,000 Pk
SKUHW7X1/2Z-1000
Description
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.- 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
- Some screws sizes available in pails
- Trademarked and patented head markings indicate one and only genuine zip-ins
- 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
- Diameter - Thread Size: #7Drive Type: SlottedFinish: Zinc PlatedHead Size: 1/4 inHead Type: Hex WasherMeasurement System: ImperialSeries: Zip-InThread Length: 1/2 inThread Type: DoubleType: Self-Piercing
- Limited Lifetime
- US Patent No. D524/638