T-Star Washer Head Black E-Coat PowerLags® for Log Homes

312 Series PowerLags® for Log Homes

SPAX® 312 Series PowerLags® bring a new level of fastening efficiency and reliability to log home and timber frame construction. SPAX® patented thread serrations eliminate pre-drilling and dramatically increase installation speed. They are also code listed and load rated, so you can be assured of the reliability of the assembly. The two head styles available offer job-matched performance and aesthetics.

  • No pre-drilling required
  • Code listings ICC-ES ESR-1782
  • Low-profile, large diameter head designs provide exceptional draw down of even rogue logs
  • Deep T-Star drive provides superior bit engagement and allows for easy back-out of the fastener if necessary when the head is countersunk
  • Patented thread serrations require up to 40% less driving torque to increase installation speed while helping prevent cracking in logs
  • Proprietary coating provides excellent corrosion resistance and prevents staining wet logs
  • Fastener length stamp on the head provides convenient identification without measuring and aids on-site inspections
  • Job site friendly and weather-resistant packaging
  • German engineered thread technology; American made

Base Part No.: XW312()

For CAD documents, please see Technical Documents.

SizeDrive/Bit SizeThreadAvailable Pkg. Options
Sm. PlasticLg. Plastic1 lb. Box3 lb. Box5 lb. BoxPer PieceContractor PackBulk PailProject PAX
5/16" x 6"T-40Partial250
5/16" x 8"T-40Partial250
5/16" x 9"T-40Partial250
5/16" x 10"T-40Partial250
5/16" x 11"T-40Partial250
5/16" x 12"T-40Partial250
5/16" x 13"T-40Partial250
5/16" x 14"T-40Partial250
5/16" x 15"T-40Partial250
5/16" x 16"T-40Partial250
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