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Simpson Strong-Tie Strong-Drive 1/4" x 5" Self Drilling Screw 500/box

Brand: Simpson Strong-Tie Mfg#: SDS25500
Product#: 137SDS25500
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SPECIAL ORDER ONLY – Call your local branch (see Location link above). The Simpson Strong-Tie Strong-Drive SDS wood screw with a double-barrier coating is suitable for use with all of our SDS-compatible connectors that feature ZMAX®or hot-dip galvanized coatings. The screws feature a patented 4CUT™ square tip and serrated threads to reduce installation torque for easier screw driving. With the addition of 5" and 8" screws to the SDS screw line, Simpson Strong-Tie offers additional options for wood-to-wood fastening applications where longer fasteners are needed. These new lengths feature the same double-barrier coating as the other sizes of the standard SDS screws, providing corrosion resistance equivalent to ASTM A153 hot-dip galvanized fasteners


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


  • Brand: Simpson Strong-Tie
  • Length Under Head: 5 in
  • Head Size: .375
  • Point Type: 4-Cut
  • Thread Type: Serrated
  • Drive Type: SDS Hexagonal
  • Screw Size: 0.25 in in
  • Material Specification: ASTM C1022
  • Thread Length: 2.75 in
  • Finish: Double Barrier Coating
  • Material: Carbon Steel
  • Type: Hand Drive
  • Usage: For Installing Connectors and Wood to Wood Applications