3/4" x 3-1/8" Strong-Tie Drop-In Internally Threaded Coil Thread Anchor - Zinc Plated

This 3/4" x 3-1/8" Simpson Strong-Tie drop-in internally threaded anchor is a redesigned, high-performance solution for anchoring into solid concrete. Engineered with improved expansion plug geometry, this anchor installs with up to 40% fewer hammer strikes compared to previous designs, reducing installation time and effort while maintaining reliable holding strength.

3/4" Coil Thread Drop-In Anchor - Faster, More Visible Concrete Anchoring

Designed for use with 3/4" coil-thread rod, this Strong-Tie drop-in anchor features deformation-controlled expansion and a positive set marking at the top of the anchor. When used with the compatible DIABST75 hand setting tool, installers can clearly confirm proper setting, ensuring consistent and dependable performance in structural and non-structural applications.

Key Features

• Redesigned Expansion Geometry: Requires up to 40% fewer hammer strikes for faster installation.
• Deformation-Controlled Expansion: Provides consistent holding power in solid concrete.
• Positive Set Indicator: Visual marking confirms when the anchor is properly set.
• Zinc-Plated Finish: Offers corrosion resistance for dry, interior environments.

Common Applications

• Suspended mechanical, electrical, and plumbing systems
• Structural attachments using coil-thread rod
• Concrete ceilings and overhead installations
• Equipment and support framing
• Commercial and industrial construction projects

Installation Tips

• Drill a hole in solid concrete to the specified diameter and depth.
• Insert the anchor flush with the concrete surface.
• Use the DIABST75 hand setting tool to drive the expansion plug until the set indicator is visible.

California Residents: WARNING