T-STAR PLUS CYLINDRIC HEAD WIROX® TRUSS SCREW
SPAX® T-STAR plus Cylindric Head truss fasteners with WIROX® coating are designed for interior framing applications, specifically truss/rafter connections.
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Design Values & Loads
ALLOWABLE WITHDRAWAL (W) AND HEAD PULL-THROUGH (P) DESIGN VALUES
- Shear strength is determined in accordance with AISI S904 using minor thread diameter when fastener is tested in threaded section.
- Tabulated pull-through values shall be adjusted by all applicable adjustment factors per NDS Table 11.3.1.
- For wood species with an assigned specific gravity greater than 0.50, use the tabulated values for specific gravity of 0.50.
- Tabulated withdrawal values shall be adjusted by all applicable adjustment factors per NDS Table 11.3.1.
For wood species with an assigned specific gravity between 0.42 and 0.50, use the tabulated values for specific gravity of 0.42. For wood species with an assigned specific gravity between 0.50 and 0.55, use the tabulated values for specific gravity of 0.50. For wood species,= with an assigned specific gravity greater than or equal to 0.55, use the tabulated values for specific gravity of 0.55.
CAD & Dimensional Drawings
Docs & Files
SPAX Truss Screws For Truss/Rafter Attachment to Structural Wall Top Plate
SPAX ENGINEERED FASTENERS ARE THE MOST ADVANCED FASTENER PRODUCT ON THE MARKET
Our fasteners strength and job site efficiency innovations will provide you with the power to keep your projects connected stronger for longer. Featuring SPAX® patented thread technology, they require no pre-drilling, and drive faster and easier than conventional lags and other structural lag screws.
Cylindric Head
Patented Serrations
Unique 4CUT™ Point
T-STAR plus Drive
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