The Simpson DIABST25-SDS SDS-plus Setting Tool for 1/4-in. Rod DIAB Drop-In Anchor is a power-setting tool from Simpson engineered for properly and consistently installing Simpson Strong-Tie Drop-In internally threaded anchors in concrete. Featuring an SDS-plus shank for use with rotary hammer drills, the tool drives the expander plug toward the bottom of the anchor until the shoulder of the setting tool makes contact with the top of the anchor - delivering a reliable, repeatable set in standard and overhead applications alike. Built from carbon steel, this dedicated setting tool takes the guesswork out of drop-in anchor installation.

Key Features

• SDS-plus shank compatibility - connects directly to SDS-plus rotary hammer drills, allowing power-driven installation that is faster and more consistent than manual setting methods
• Designed specifically for DIAB25 and DIABL25 anchor models - ensures a precise fit and correct expander plug engagement, eliminating the risk of mismatched tools compromising anchor performance
• Engineered for overhead applications - provides confident anchor setting in ceiling and overhead concrete installations where consistent technique is critical for safety and holding strength
• Carbon steel construction - delivers the durability needed to withstand repeated power-driven use across concrete anchor installations on the job site
• Shoulder-contact design stops at the correct depth - the shoulder of the setting tool contacts the top of the anchor when installation is complete, giving the installer a clear, tactile confirmation of a properly set anchor
• Caution - oversized holes reduce performance - drilling to the correct specified hole diameter is essential, as oversized holes will make it difficult to set the anchor and will reduce the anchor's load capacity

Why This Product

• Purpose-built for Simpson Strong-Tie drop-in anchors - rather than relying on a generic setting tool, this SDS-plus setting tool is matched precisely to the DIAB25 and DIABL25 anchors, helping ensure every installation meets the anchor's rated performance requirements
• Power-driven setting means consistent, repeatable results - the SDS-plus shank lets a rotary hammer do the work, reducing installer fatigue and delivering uniform expander plug engagement across multiple anchor installations
• Handles the most demanding installation positions - verified for use in overhead concrete anchoring, making it a practical choice for contractors working on suspended systems, overhead supports, and ceiling-mounted fixtures
• Built-in depth confirmation reduces installation errors - the shoulder-contact stop signals when the drop-in is correctly set, helping installers avoid under-setting anchors that could lead to reduced load capacity in the field

Specifications

• Model Number: DIABST25-SDS
• Shank Type: SDS-plus
• Compatible Anchors: DIAB25, DIABL25
• Material: Carbon Steel
• Packaging: Packs of 1 and Cartons of 10

Frequently Asked Questions

Which specific drop-in anchor models is the DIABST25-SDS designed to work with?

The DIABST25-SDS is designed for use with Simpson Strong-Tie Drop-In anchor models DIAB25 and DIABL25. It is not intended for use with other anchor sizes or configurations.

Can this setting tool be used for overhead anchor installations?

Yes. The DIABST25-SDS is specifically designed to set drop-in anchors in overhead applications, in addition to standard horizontal and vertical installations.

How does the DIABST25-SDS set the drop-in anchor?

The tool works by driving the expander plug toward the bottom of the anchor. The installation is complete when the shoulder of the setting tool makes contact with the top of the anchor, ensuring consistent and proper setting every time.

What happens if the drilled hole is too large for the drop-in anchor?

Oversized holes will make it difficult to set the anchor and will reduce the anchor's load capacity. It is essential to drill holes to the correct specified diameter to achieve the anchor's rated performance.

Note: Product dimensions may differ from picture.