Simpson Square Drive

Use this screw for fastening all types of wood decking, including cedar, redwood and preservative-treated woods. Bugle head provides for flush countersinking.
Choose your package size. Available in 1 lb, 5 lb, and Bucket quantities.

Products: 6 item(s)

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SIMPSON 8 x 1 1/4 Square Drive Deck Screws 305 Stainless Steel
SIMPSON 8 x 1 1/4 Square Drive Deck Screws 305 Stainless Steel
SIMPSON Bugle Head Square Drive Deck Screws. Driver bit included in every package. 305 Stainless Steel for general construction, industrial and marine applications.
In Stock.
SIMPSON 8 x 1 5/8" Square Drive Deck Screw 305 Stainless Steel
SIMPSON 8 x 1 5/8" Square Drive Deck Screw 305 Stainless Steel
SIMPSON Bugle Head Square Drive Deck Screws. Driver bit included in every package. 305 Stainless Steel for general construction, industrial and marine applications.
In Stock.
SIMPSON 8 x 2" Square Drive Deck Screw 305 Stainless Steel
SIMPSON 8 x 2" Square Drive Deck Screw 305 Stainless Steel
SIMPSON Bugle Head Square Drive Deck Screws. Driver bit included in every package. 305 Stainless Steel for general construction, industrial and marine applications.
In Stock.
SIMPSON 10 x 2 1/2 Square Drive Deck Screw 305 Stainless Steel
SIMPSON 10 x 2 1/2 Square Drive Deck Screw 305 Stainless Steel
SIMPSON Bugle Head Square Drive Deck Screws. Driver bit included in every package. 305 Stainless Steel for general construction, industrial and marine applications.
In Stock.
SIMPSON 10 x 3" Square Drive Deck Screw 305 Stainless Steel
SIMPSON 10 x 3" Square Drive Deck Screw 305 Stainless Steel
SIMPSON Bugle Head Square Drive Deck Screws. Driver bit included in every package. 305 Stainless Steel for general construction, industrial and marine applications.
In Stock.
SIMPSON 10 x 3 1/2" Square Drive Deck Screw 305 Stainless Steel
SIMPSON 10 x 3 1/2" Square Drive Deck Screw 305 Stainless Steel
SIMPSON Bugle Head Square Drive Deck Screws. Driver bit included in every package. 305 Stainless Steel for general construction, industrial and marine applications.
In Stock.

Key Features

  • Type-17 point for fast starts
  • Coarse threads approximately 2/3 up the shank draw the decking and other material tightly to the substrate
  • 350-count packs contain enough screws to fasten 100 sq. ft. of decking (6" nominal-width boards installed on 16" o.c. joists)
  • Driver bit included in each package
  • Pre-drilling recommended near board ends to prevent splitting
  • #6, #8 and #10 screws: #2 square drive (replacement bit model BIT2S-2)
  • #12 and #14 screws: #3 square drive (replacement bit model BIT3S-2)

Applications

  • Fasten all types of wood decking including cedar, redwood and preservative-treated woods
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