The Simpson 7/16-in. Wire Hole-Cleaning Brush Head is built for cleaning drilled holes prior to adhesive anchor installation, ensuring surfaces are properly prepared for a reliable bond. Engineered by Simpson for use with SET-3G and AT-3G adhesives, this brush head delivers proper hole cleaning with fewer brush strokes at embedments up to 20 times the anchor diameter - making it a precise, efficient tool for 3/8-in. anchor applications in 7/16-in. holes.

Key Features

• 7/16-in. brush head sized for 7/16-in. hole diameter - matches the hole exactly for thorough wall-to-wall contact and effective debris removal in a single setup
• Designed for 3/8-in. anchors - ensures compatibility between the brush, hole, and anchor so your adhesive installation is set up correctly from the start
• Compatible with Simpson SET-3G and AT-3G adhesives - permits proper hole cleaning that meets the requirements of these specific adhesive anchor systems
• Cleans with fewer brush strokes at embedments up to 20 times the anchor diameter - reduces preparation time and labor without sacrificing cleaning quality at deeper embedments
• 5-in. useable brush length - provides a solid working length, and total usable reach can be extended by adding a compatible handle and optional extension, both sold separately
• T-handle sold separately (model ETBS-TH required) - gives you the flexibility to pair this brush head with the handle and any extensions that match your specific job depth requirements

Why This Product

• Engineered for adhesive anchor prep, not general-purpose cleaning - this wire brush head is specifically designed to work with SET-3G and AT-3G adhesive systems, so the cleaning performance directly supports proper adhesive bonding conditions rather than approximating them
• Fewer brush strokes means faster, more consistent hole prep - the brush is designed to clean drilled holes at embedments up to 20 times the anchor diameter with reduced strokes, cutting down on repetitive effort across multiple anchor installations
• Exact sizing eliminates guesswork - with a 7/16-in. brush head matched to a 7/16-in. hole for a 3/8-in. anchor, there is no adapting or forcing a close-but-not-right brush to fit, which supports cleaner, more predictable results
• Modular design works with your existing setup - the brush head connects with the ETBS-TH T-handle and optional extensions, so you can configure total usable length to match the embedment depth of each job without replacing the entire tool

Specifications

• MPN: ETB43S
• Brush Head Diameter: 7/16 in.
• Hole Diameter: 7/16 in.
• Anchor / Rod Diameter: 3/8 in.
• Useable Brush Length: 5 in.
• Material: Combination
• Packaging: Packs of 1 and Cartons of 25

Frequently Asked Questions

What adhesive systems is the ETB43S wire brush head designed to work with?

The ETB43S wire brush head is designed for use with Simpson Strong-Tie SET-3G and AT-3G adhesives to permit proper hole cleaning prior to adhesive anchor installation.

What hole diameter and anchor size is this brush head compatible with?

This brush head is designed for a 7/16-in. hole diameter and is intended for use with a 3/8-in. anchor.

Is a T-handle included with the ETB43S?

No. The T-handle (model ETBS-TH) is required for use with all sizes of standard wire brush but is sold separately. Extensions and brushes are also sold separately.

What is the useable brush length of the ETB43S?

The ETB43S has a 5-in. useable brush length. To obtain the total usable length of your setup, add the usable length of the brush, handle, and any optional extension used.

Related Products

• SET-3G
• AT-3G

Note: Product dimensions and/or length may differ from picture. Please see the item description above for specifications.