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T-STAR WASHER HEAD HCR® POWERLAGS®

T-STAR WASHER HEAD HCR® POWERLAGS® Drive Type IconT-STAR WASHER HEAD HCR® POWERLAGS® Head Style Icon

SPAX® T-STAR Washer Head PowerLags® with HCR® coating designed with low-profile, large diameter head design provides outstanding clamping force and improved aesthetics. The T-STAR drive offers excellent bit engagement without requiring a special driver bit. Available in 1/4”, 5/16”, and 3/8” diameters. SPAX HCR® Coating is approved for use in treated lumber.

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Design Values & Loads

ALLOWABLE WITHDRAWAL (W), HEAD PULL-THROUGH (WH)

  • “Withdrawal” and “Head Pull-Through”, and design values shall be adjusted by all applicable adjustment factors per NDS Table 11.3.1.
  • “Withdrawal” design values are to be multiplied by the length of the thread penetration into the side grain of the main member. Length includes tip.
  • “Withdrawal” design values are from the main member, and “Head Pull-Through” design values are based on a minimum of 1-1/2" side member thickness.
  • Tabulated “Withdrawal” and “Head Pull-Through” design values are for the wood species with the listed assigned specific gravities. Where the wood species assigned specific gravity is not listed, use the next lower assigned specific gravity values.
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SPAX PowerLags HCR Outdoor Structural Construction Lag Screws
SPAX PowerLags HCR Outdoor Structural Construction Lag Screws

SPAX PowerLags are engineered to eliminate pre-drilling and hold stronger so you can drive more confidence in every connection.

SPAX: Ultimate Strength For Multi-Ply LVL Beams
SPAX: Ultimate Strength For Multi-Ply LVL Beams

PowerLags offer the highest withdrawal and pull-through values in the industry, perfect for Multi-Ply (LVL, PSL and LSL) assemblies

The Best Structural Screws For Deck Ledger Installation SPAX® POWERLAGS®
The Best Structural Screws For Deck Ledger Installation SPAX® POWERLAGS®

SPAX® 5/16” HCR PowerLags require up to 50% fewer fasteners than competing structural screws for deck ledger board installation applications

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.

TSTAR WH YZ Builton Washer
Built-on Washer Head
Eliminates the need and cost of a separate washer.
TSTAR WH YZ Reliable Connections
Reliable Connections
Heat treated for strength and durability.
TSTAR WH YZ Serrations
Patented Serrations
Allow for quicker, easier fastening.

Learn More About SPAX® Powerlags®

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SPAX® is offering you one (1) sample kit mailing* of multi-purpose screws or specialty hardware fasteners per household. As a leading manufacturer and supplier of multi-purpose construction screws for professional contractors and do-it-yourself home remodelers, our fasteners will take your construction or building project to a new level of security. Looking for where to buy SPAX® Construction Screws and PowerLags®? We sell in retail home improvement stores, hardware stores, online, through specialty distributors, and building materials dealers. Drive confidence in every connection on the job site, contact SPAX U.S. customer service today.

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