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Simpson 10 x 3" Star Drive Deck Screw 305 Stainless Steel

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SIMPSON Bugle Head Star Drive Deck Screws. Driver bit included in every package. 305 Stainless Steel for general construction, industrial and marine applications.
Part Number: 13150

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Featuring a 6-lobe drive for easier driving and longer bit life, this screw is designed to fasten all types of wood decking, including cedar, redwood, and preservative-treated woods (non-hardwood). Bugle head provides for flush countersinking.

Key Features

  • 305 Stainless Steel
  • Type-17 point for fast starts
  • Coarse threads on approximately 2/3 of the shank draw the decking and other material tightly to the framing
  • 6-lobe drive helps prevent driver-bit cam-out, resulting in easier driving and longer bit life
  • 350 screws fasten 100 sq. ft. of decking (6" nominal-width boards installed on 16" o.c. joists)
  • Driver bit included in each package
  • Predrilling recommended near board ends to prevent splitting
  • #6 screws: T-15 6-lobe drive (replacement bit model BIT15T-2)
  • #8 screws: T-20 6-lobe drive (replacement bit model BIT20T-2)
  • #10 screws: T-25 6-lobe drive (replacement bit model BIT25T-2)


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