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Simpson Strong-Tie® THD37500H Heavy Duty Screw Anchor, 3/8 in Dia, 5 in OAL, Hex Washer Head Drive, Carbon Steel, 2-1/2 in D Min Embedment



Simpson Strong-Tie® Screw Anchor, Heavy Duty, Series: Titen HD®, 3/8 in Diameter, 5 in Overall Length, Hex Washer Head Drive, Carbon Steel, 2-1/2 in Minimum Embedment Depth, 3/8 in Drill, Zinc Plated, Applicable Materials: Concrete/Masonry, 9/16 in Head, 5 in Maximum Work Thickness, 4460 lb Shear Strength, 10890 lb Tensile Strength

The original high-strength screw anchor for use in cracked and uncracked concrete, as well as uncracked masonry. The Titen HD® offers low installation torque and outstanding performance. Designed and tested in dry, interior, non-corrosive environments or temporary outdoor applications, the Titen HD® demonstrates industry-leading performance even in seismic conditions.


Applicable Materials Concrete/Masonry
Diameter 3/8 in
Drill Size 3/8 in
Finish Zinc Plated
Head Drive Type Hex Washer
Head Size 9/16 in
Material Carbon Steel
Maximum Work Thickness 5 in
Minimum Embedment Depth 2-1/2 in
Overall Length 5 in
Series Titen HD®
Shear Strength 4460 lb
Tensile Strength 10890 lb
Type Heavy Duty

Standards and Approvals: U S Patent 5,674,035/6,623,228, City of Los Angeles RR25741, RR25560, Florida Statewide Product FL15730.7, FM 3017082, 3035761, 3043442

Formwork and Bracing


  • Code listed under IBC/IRC in accordance with ICC-ES AC193 for cracked and uncracked concrete per ICC-ES ESR-2713
  • Code listed under IBC/IRC in accordance with ICC-ES AC106 for masonry per ICC-ES ESR-1056
  • Qualified for static and seismic loading conditions
  • Thread design undercuts to efficiently transfer the load to the base material
  • Standard fractional size
  • Specialized heat treating process creates tip hardness for better cutting without compromising the ductility
  • No special drill bit required, designed to install using standard-sized ANSI tolerance drill bits
  • Testing shows the Titen HD® installs in concrete with 50% less torque than competitor anchors
  • Hex washer head requires no separate washer and provides a clean installed appearance
  • Removable - ideal for temporary anchoring or applications where fixtures may need to be moved
  • 1/2 in Dia baseplate clearance hole
  • 50 ft-lb maximum installation torque
  • 2-3/4 in D minimum hole
  • 1-3/4 in minimum edge distance
  • 3 in minimum spacing
  • 97000 psi yield strength


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