Simpson Strong-Tie THDB25312H Titen HD (1/4" x 3-1/2") Heavy-Duty Screw Anchor - Zinc Plated (50 Pack)

Simpson Strong-Tie THDB25312H Features

• Tested in accordance with ACI 355.2, AC193 and AC106
• Qualified for static, wind and seismic loading conditions
• Thread design undercuts to efficiently transfer the load to the base material
• Standard fractional sizes
• 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
• Hex-washer head requires no separate washer, unless required by code, and provides a clean installed appearance
• Removable — ideal for temporary anchoring (e.g., formwork, bracing) or applications where fixtures may need to be moved
• Use in dry interior environments only

Simpson Strong-Tie THDB25312H Applications

• Concrete anchoring in cracked and uncracked conditions
• Temporary anchoring for formwork and bracing
• Interior dry environments

Simpson Strong-Tie THDB25312H Installation Overview

1. Drill a hole in the base material using a drill bit matching the anchor diameter.
2. Clean the hole with compressed air.
3. Insert the anchor through the fixture and into the hole.
4. Tighten the anchor until the hex-washer head contacts the fixture.