T-Star plus Cylindric Head PowerLags®

Base Part #: 321110() and 421101()

SPAX® engineered fasteners are skillfully designed and tested to increase productivity and keep connections held together for longer. PowerLags® reduce pre-drilling and driving torque by up to 40% while still getting 100% quality and strength - unlike any other conventional lag on the market.

The ideal replacement for Hurricane Clips - Applications:

  • Interior framing
  • Stud / Double Top Plate / Truss-Rafter Connection
  • Double Top Plate / Truss-Rafter Connection (in betweeen studs)


SPAX® features:

  • T-STAR plus Drive - Provides superior bit engagement to eliminate camming out and to facilitate single hand, overhead driving.
  • Cylindric Head - Has a low splitting effect and pulls flush into the wood substrate.
  • Patented Thread Serrations - Dramatically increase installation speed by cutting through the wood fibers.
  • UNIQUE 4CUT™ POINT - Pierces and separates the wood for a quick and easy installtion with no pre-drilling.

For CAD documents, please see Technical Documents.

SizeDrive/Bit SizeThreadAvailable Pkg. Options
Retail PaxLarge Retail Pax1 lb. Box3 lb. Box5 lb. BoxIndividualProject PaxContractor PaxMini PailBulk Pail
#14 x 6-1/4"T-30 T-Star PlusStandard50500