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Load Tables

    These products are available with additional corrosion protection. Additional products on this page may also be available with this option, check with Simpson Strong-Tie for details.

  1. Using fewer than 38 nails in the studs/post will reduce the allowable load of the connection. To calculate a reduced allowable load, use 199 lb. per nail for DF/SP or 172 lb. per nail for HF/SPF. Minimum length of extent of reduced nails may not be less than 21" as is shown in graphic.
  2. Nails in studs/post shall be installed symmetrically. Nails may be installed over the entire length of the strap in the studs/post.
  3. The minimum 3"-wide beam may be made up of two 2x members.
  4. MSTC48B3 and MSTC66B3 installed over wood structural panel sheathing up to 1/2" thick achieve 0.85 of table loads.
  5. PSL beam may be used in lieu of a standard-dimension lumber beam with no load reductions.
  6. Multiply allowable loads by 1.85 to attain an allowable load for installations where two straps have been installed with a 1 1/2" clear space between straps.
  7. Structural composite lumber columns have sides that show either the wide face or the edges of the lumber strands/veneers known as the narrow face. Values in the tables reflect installation into the wide face. See Technical Bulletin T-C-SCLCLM for load reductions resulting from narrow-face installations.
  8. Fasteners: Nail dimensions in the table are listed diameter by length. For additional information, see Fastener Types and Sizes Specified for Simpson Strong-Tie Connectors.

Code Reports

Part IAPMO UES ER ICC-ES ESR City of Los Angeles State of Florida
MSTC48B3 ESR-2105 ESR-2523 RR25713 FL10852 FL11470
MSTC66B3 ESR-2105 ESR-2523 RR25713 FL10852 FL11470

ESR-2523 is an Index of many of Simpson Strong-Tie Stamped and Welded Cold-formed Steel Products for Wood or Cold-formed Steel Construction

Drawings

Part Orthographic Perspective
MSTC48B3
PLMBG 1.0 Detail Sheet
DWGDXF
SMF3 Detail Sheet
DWGDXF
SMF4 Detail Sheet
DWGDXF
OMF3 Detail Sheet
DWGDXF
MSTC48B3 Installed Front View
DWG DXF
High Wind Resistant Construction Detail D133: Building Floor-to-Floor Straps - HWRC D133 Building floor to floor straps
DWG DXF
MSTC48B3 Perspective View
DWG DXF
MSTC66B3
PLMBG 1.0 Detail Sheet
DWGDXF
SMF3 Detail Sheet
DWGDXF
SMF4 Detail Sheet
DWGDXF
OMF3 Detail Sheet
DWGDXF
MSTC66 Front View
DWG DXF
MSTC66B3 Installed Front View
DWG DXF
MSTC66B3 Front View
DWG DXF
High Wind Resistant Construction Detail D133: Building Floor-to-Floor Straps - HWRC D133 Building floor to floor straps
DWG DXF
High Wind Resistant Construction Detail D75: Wall to Pile/Girder - HWRC D75 Wall to PileGirder MSTC66B3Z Installation with no Rim Joist (MSTC66B3 similar)
DWG DXF