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Also known as round-head Type U drive screws, these fasteners drive like nails but hold with screw-like strength. Use them in drilled and punched holes. The hole size should be slightly smaller than the shank diameter. 18-8 stainless steel material has good corrosion resistance and may be mildly magnetic.
| Manufacturer | KL Jack Quality Vendor |
|---|---|
| Item Type | Drive Screws - Type U |
| System of Measurement | Inch |
| Diameter | #4 |
| Length (inches) | 5/16" |
| Drill Size | #37 |
| Grade | 18-8 |
| Head Diameter | .211" Max - .193" Min |
| Head Height | .086" Max - .075" Min |
| Head Style | Round |
| Material | Stainless Steel |
| Pilot Hole Size | .096" Max - .092" Min |
| Shank Diameter | .116" Max - .112" Min |
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