Builder's Corner

Home Builder's Corner 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 (lbs)	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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