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Selection Guide
Technical Data R4™
Technical Data R4™
Multi Purpose Screw
Self-tapping, countersink head
W-Cut™ thread design, ZipTip™
Climatek™ coated
For use in wood, particle-board, cement fibreboard, plastic, sheet metal.
R4™ Multi Purpose Screw Test Data
| R4™ Shear Test Results | ||||||
| Diameter | Avg. Ultimate Load (lbf) | Wood Failure Rate | ||||
| #4 | 139 | 50% | ||||
| #6 | 301 | 70% | ||||
| #8 | 361 | 30% | ||||
| #9 | 452 | 65% | ||||
| #10 | 687 | 75% | ||||
| #12 | 720 | 75% | ||||
- Test ASTM D 1761 Lateral Resistance/Slip, Wood to Wood connection.
- Testing stopped when screw displaced 1/8" or upon wood failure. Wood failed in majority of tests prior to screw failure. Test conducted in wood with specific gravity 0.42.
- Please note, the above stated values are ultimate loads. For construction design purposes an applicable safety margin should be applied. An architect or engineer should be consulted for this.
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