New SPAX® Exterior/Deck Screws

The new SPAX® Exterior/Deck Screws are engineered for use in any preservative-treated decking and exterior wood applications. Featuring the new SPAX HCR-X™ Coating System, it provides superior corrosion resistance over other carbon steel deck screws with painted or hot-dipped galvanized coatings. Plus, the patented SPAX thread technology and T-STAR plus drive mean faster, easier installation with no pre-drilling required.


  • SPAX HCR-X™ Coating System offer superior "X-terior" corrosion resistance when installed in treated lumber and tested in exterior, coastal construction environments.
  • Patented thread serration and 4CUT™ Point require no pre-drilling, speed installation and help guard against wood splitting.
  • T20, T-STAR plus drive provides superior bit engagement to eliminate head stripping/cam outs.
  • Patented MULTIhead design facilitates flush or countersunk installation in wood.


SPAX® Exterior/Deck Screws with HCR-X™ Coating
T-STAR plus, Flat Head, Partial Thread
SPAX® Exterior/Deck Screws with HCR-X™ Coating :: T-STAR plus, Flat Head, Partial Thread
Size Coating Use Drive Bit
8 x 1-1/4" HCR-X™ External/Treated Lumber T-20 plus
8 x 1-1/2" HCR-X™ External/Treated Lumber T-20 plus
8 x 2" HCR-X™ External/Treated Lumber T-20 plus
8 x 2-1/2" HCR-X™ External/Treated Lumber T-20 plus
9 x 2-1/2" HCR-X™ External/Treated Lumber T-20 plus
9 x 3-1/4"* HCR-X™ External/Treated Lumber T-20 plus
10 x 1-1/2" HCR-X™ External/Treated Lumber T-20 plus
10 x 2" HCR-X™ External/Treated Lumber T-20 plus
10 x 2-1/2" HCR-X™ External/Treated Lumber T-20 plus
10 x 3" HCR-X™ External/Treated Lumber T-20 plus
10 x 3-1/2" HCR-X™ External/Treated Lumber T-20 plus

* Ideal for 5/4" treated deck planking.


Download SPAX® Exterior/Deck Screws Flyer PDF (2.49 MB)

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SPAX® STAINLESS STEEL DECK SCREWSDouble Thread

SPAX Stainless Steel Screws offer the ultimate corrosion resistance and long term aesthetics in wood deck/railing and other exterior wood applications.


  • Double ThreadLok™ design pulls and holds boards tight, preventing screws from backing out as lumber dries out.
  • Patented thread serrations require no pre-drilling and reduce drive torque to prolong the battery life of power tools.
  • Deep square drive offers excellent bit engagement to help prevent camming out.


SPAX® Stainless Steel Deck Screws
Unidrive* Flat Head, Partial Thread
SPAX® Stainless Steel Screws :: Unidrive* Flat Head, Partial Thread
Size Coating Use Drive Bit
7 x 1-5/8" Stainless Exterior #2
10 x 2-1/2" Stainless Exterior #2
10 x 3" Stainless Exterior #2
10 x 3-1/2" Stainless Exterior #2