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Simpson Strong-Tie STHD10 Strap Tie Holdown

Brand: Simpson Strong-Tie Mfg#: STHD10
Product#: 137STHD10
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Simpson Strong Tie has these Strap Tie Holdowns that are Available in many lengths, widths and thicknesses, straps can be used on the wide or narrow face of lumber for light repairs or heavy-duty projects. The LSTHD is an embedded strap-tie holdown offering high load capacity and a staggered nail pattern to help minimize splitting. The unique design of the STHD delivers enhanced stability before and during the pour to help prevent both parallel and perpendicular movement.


  • Strap nail slots are countersunk to provide a lower nail head profile
  • The slots below the embedment line enable increased front-to-back concrete bond and help to reduce spalling
  • Rim joist models accommodate up to a 17" clear span without any loss of strap nailing
  • The nailing pattern allows for nailing to the edges of double 2xs


  • Brand: Simpson Strong-Tie
  • Finish: Galvanized
  • Thickness: 12 ga
  • Material: Steel
  • Minimum Embedment Depth: 10 in
  • Work Thickness: 6 in
  • Fastener Size: 16d in
  • Depth: 4.75 - 5.25 in in
  • Load Capacity: 4120 lb Uplift lb
  • Fastener Type: (24) Nails
  • Length: 24.625 ft
  • Width: 3 in