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Popular Support Pages-> Wood Screws Types Threaded Insert and T-Nut Guide Wood Screw Size Chart PILOT HOLE SIZE CHART

PowerLags HCR - Hex Washer Head Screws

SPAX (ICC-ES) No pre-drill, grade 5 durability, ledger attachment approved. Hex head with HCR coating for use in exterior applications, including treated lumber...  Read More

PowerLags HCR - Hex Washer Head Screws

Hex Washer Head HCR® PowerLags®

PowerLags®

SPAX® PowerLags® offer the largest selection of code-recognized structural wood-to-wood fasteners in the industry. Featuring SPAX® patented thread technology, they require no pre-drilling and drive faster and easier than conventional lags and other structural lag screws. Available in hex head with HCR® coating options for interior and exterior applications, including treated lumber.

  • No pre-drilling required (1/4 in. and 5/16 in.)
  • Grade 5 durability
  • Code listings ICC-ES ESR-1782
  • DrJ Technical Evaluation Reports (TER No. 1711-01; Deck Ledger Attachment)
  • Patented thread serrations require up to 40% less driving torque to increase installation speed while helping prevent cracking in logs
  • 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
  • Sold in job-friendly package quantities, including bulk pails

Hex Washer Head

Provides maximum driver engagement, especially when using larger diameter/longer length parts in harder wood species. Available in 1/4 in., 5/16 in., 3/8 in. and 1/2 in. diameters, and lengths up to 12 in. SPAX HCR® Coating is approved for use in treated lumber.

SPAX HCR-X™

SPAX HCR-X™ Coating System offers superior “X-terior” corrosion resistance when installed in treated lumber* and tested in exterior, coastal construction environments. (Testing was performed utilizing code-recognized acceptance criteria.)
*Not for use with redwood or cedar

PowerLags HCR - Hex Washer Head Screws

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  1. 1/4 in. SPAX Washer Hex Head Exterior Lag, HCR, - Choose Your Length SKU: 25XX-LHX

    Starting at $19.49

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  2. 3/8 in. SPAX Washer Hex Head Exterior Lag, HCR - Choose Your Length SKU: 38XX-LHX

    Starting at $40.10

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  3. 1/2 in. SPAX Washer Hex Head Exterior Lag, HCR - Choose Your Length SKU: 50XX-LHX

    Starting at $44.43

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  4. 5/16 in. SPAX Washer Hex Head Exterior Lag, HCR - Choose Your Length SKU: 56XX-LHX

    Starting at $31.95

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