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1/4 in. x 4 in. T-Star Washer Head Exterior HCR PowerLag Screw

  • No Pre-Drilling in Wood
  • Heat-treated (Grade-5) for high strength and durability
  • HCR coating provides high corrosion resistance
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Product Overview

The SPAX Factor - For the craftsman that concentrates on the details, We Work for You. For the Pro that puts qualify first, we help you create stronger connections, enhance performance and improve results when your reputation is on the line. Say Good Bye to your fathers traditional lag. SPAX PowerLags offer superior installation performance and durability over traditional lag screws and carriage bolts for structural wood construction. Made of carbon steel and coated for long term durability to ensure your project endures. U.S made SPAX is your trusted partner for your fastening needs. Do it Once, Do it Right with SPAX.
  • Check out our Threads! Our patented thread serration technology allows the screw to be driven faster, reduces splitting in wood, and reduces driving torque by 40 percent. Let the SPAX FACTOR take some of the hassle out of your next project
  • The ideal replacement for the conventional lag. IRC/IBC Code Compliant: TER-No. 1912-23
  • True to size thread diameters, grade 5 heat treat, and the washer head style are just some of this fastener's distinct advantages. Tested under the toughest scenarios to give you confidence in every connection
  • T-Star 6 lobe design is compatible with all industry standard bits and provides superior bit engagement
  • 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
  • Engineered and Manufactured in the USA
  • SPAX 1/4-in. PowerLags require a T-Star driver bit: T-30 Bit
  • Common applications: Landscaping timber, deck ledger attachment, fencing, exterior treated lumber, structural wood to wood connections

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1/4 in. x 4 in. T-Star Washer Head Exterior HCR PowerLag Screw
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BrandSPAXSPAXSPAXSPAX
Name1/4 in. x 4 in. T-Star Washer Head Exterior HCR PowerLag Screw5/16 in. x 3 in. Hex Drive Hex Head High Corrosion Resistant Coating PowerLag Screw5/16 in. x 3-1/2 in. Hex Head Hex Drive High Corrosion Resistant Coated PowerLag Screw1/4 in. x 6 in. T-Star Washer Head Exterior HCR PowerLag Screw
Price
$167
$167
$167
$197
Ratings
(52)
(14)
(20)
(46)
Size1/4 in5/16 in5/16 in1/4 in
Screw Length4 in3 in3-1/2 in6 in
Fastener PlatingMagniMagniMagniMagni
Drive StyleStarHexHexStar
Package Quantity1111
Interior/ExteriorExterior,InteriorExterior,InteriorExterior,InteriorExterior,Interior
Head StyleWasher HeadHexHexWasher Head
Fastener/Connector MaterialSteelSteelSteelSteel
FeaturesACQ Rated,Coated,Self Drilling,Self Tapping,Serrated EdgesACQ Rated,Coated,Self Drilling,Self Tapping,Serrated EdgesACQ Rated,Coated,Self Drilling,Self Tapping,Serrated EdgesACQ Rated,Coated,Self Drilling,Self Tapping,Serrated Edges
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Customer Reviews

  • 4.7
    out of 52 reviews
  • 100%recommend this product
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Hey these screws really hold tight. Use to secure 2 x 4s to existing wall when building a catio.
Hey these screws really hold tight. Use to secure 2 x 4s to existing wall when building a catio.
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  • Recommended
Works well as expected
Works well as expected
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  • Recommended
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
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    Great Screws. Will buy again.!!...
    Great Screws. Will buy again.!!
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        Rating provided by a verified purchaser
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        Work well. No pilot hole required....
        Work well. No pilot hole required.
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        Rating provided by a verified purchaser
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        The screws were so old that most of the coating...
        The screws were so old that most of the coating was gone. Not sure how long they’ll last.
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        Showing 1-10 of 52 reviews