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Simpson SDS25312SS-R25 1/4 x 3 1/2" Stainless Steel Screw 25pk

MSRP: $39.99
Price: $32.75
You Save: $7.24 (18 %)
Item Number: SDS25312SS-R25
Manufacturer: Simpson Strong-tie
Manufacturer Part No: SDS25312SS-R25
Simpson SDS25312SS-R25 1/4 x 3 1/2" Stainless Steel SDS Wood Screw 25pk
Type 316 stainless steel

The Simpson Strong-Tie Strong-Drive SDS screw is a 1/4" diameter
high-strength structural wood screw ideal for various connector installations
as well as wood-to-wood applications.

  • Designed for installation in Simpson Strong-Tie structural connectors
    as well as wood-to-wood applications
  • Available with a double-barrier coating and type 316 stainless steel
  • 3/8" hex head
  • Patented 4-CUT™ point (coated version) and type-17 point (stainless
    version) enable easy driving with no pre-drilling and minimal splitting
  • Double-barrier coating provides corrosion resistance equivalent
    to hot-dip galvanization
  • Head is stamped with the Simpson Strong-Tie "≠" sign and fastener
    length for easy identification after installation
  • A low-speed 1/2" drill with a 3/8" hex driver is the recommended
    tool for installation

Material: Heat-treated carbon steel; Type-316 stainless steel

STAINLESS STEEL: The SDS Strong-Drive 1/4" wood screw line has expanded to include stainless-steel SDS screws in 1 1/2" to 3 1/2" lengths, suitable for fastening Simpson Strong-Tie stainless-steel products. Offering the same easy-driving, split-reducing installation of the standard SDS screw, these screws are made from type 316 stainless steel. The new stainless-steel SDS screws are appropriate for higher-exposure environments where maximum corrosion-resistance is required.

Finish: Double-barrier coating provides corrosion resistance equivalent to hot-dip galvanization.
Contact Simpson Strong-Tie for product availability and ordering information.

SDS and SD Wood Screws

  1. Allowable loads for SDS screws are based on ICC-ES Code Report ESR-2236. Screws may be provided with the 4CUT™ or Type-17 point.
  2. SDS screws install best with a low speed 1/2" drill with a 3/8" hex head driver.
  3. Allowable loads are shown at the wood load duration factor of CD = 1.00. to interior-dry use only. Loads may be increased for load duration up to a CD = 1.60.
  4. Allowable withdrawal load for DF/SP/SCL is 172 lbs./in. and for SPF/HF withdrawal is 150 lbs./in.. Total withdrawal load is based on actual thread penetration into the main member
  5. LSL wood-to-wood applications that require 4 1/2", 5", 6" and 8" SDS screws are limited
  6. Minimum spacing requirements are listed in ICC-ES ESR-2236.

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