1/4-10x1-1/2" Hex Lag Screws A307 Grade A Zinc
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| Diameter Pitch | 1/4-10 |
| Grade Material | Grade A |
| Partial Full Threads | Full |
| Wrench Size | 7/16" |
| Major Diameter | 0.250" |
| Tensile Stress Area | 0.0183 sq in |
| Point Type | Gimlet Point |
| Inch Metric | Inch |
| Length Under Head | 1-1/2" |
| Finish | Zinc Clear |
| Thread Class | 2A |
| Width Across Flats | 0.438" (7/16") |
| Min Tensile Load | 1,100 lbf |
| Length | 1-1/2" |
| Nominal Size | 1/4" |
| Recommended Predrill Hole Size | Softwood ≈ 1/8" · Hardwood ≈ 11/64" (root dia 0.173") |
| Grade | A307 Grade A |
| Material | Low carbon steel (ASTM A307 Grade A) |
| Threads Per Inch | 10 TPI |
| Width Across Corners | 0.505" max |
| Tensile Strength | 60,000 psi |
| Head Type | Hex |
| Thread Length | 0.98" approx (≈60–70% of length) |
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