SPAX® T-Star washer head Powerlags® 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.
Cold-rolled “carbon steel” wire heat treated to Grade 5 durability and plated with an HCR® (High Corrosion Resistance) double barrier coating -HCR is tested and recognized for use in ground contact pressure treated lumber for exterior, freshwater general construction applications (eg AWPA UC1-UC4A, UCFA).
Powerlags® are the ideal replacement for conventional lags• IRC / IBC Code Compliant DrJ TER No 1912-07 Structural Fastener Properties• DrJ Technical Evaluation Reports (TER No 1711-01; Deck Ledger Attachment and TER No 1802-03; Multi-Ply; Sawn lumber assemblies and engineered wood - LVL, PSL and LSL assemblies)• No pre-drilling required (1/4" and 5/16")Note: Lead hole of 11/64" (0.172") diameter is required for 3/8"• Patented thread serrations require up to 40% less driving torque to increase installation speed while helping prevent cracking in wood• Built-on washer head designs eliminate the need and extra cost of a separate washer• Fastener length stamp on the head provides convenient identification without measuring and aids on-site inspections
Engineered and Manufactured in the USA
SPAX 5/16-in - PowerLags require a T-Star driver bit: T-40 Bit
Common applications: Landscaping timber, deck ledger attachment, fencing, exterior treated lumber, structural wood to wood connections
The HCR (High Corrosion Resistant) double barrier coating is tested and recognized for use in ground contact and pressure treated lumber for exterior fresh water general construction applications
