Bosch HA3JAW 3-Jaw Keyless Chuck with SDS-Plus Shank – Half-Inch

Upgrade your rotary hammer with Bosch HA3JAW

The Bosch HA3JAW 3-Jaw Keyless Chuck is designed to speed up bit changes on SDS-Plus rotary hammer drills. With a half-inch chuck and a twist-lock mechanism, you can switch bits quickly and keep momentum on the job. Use is intended for drill-only mode, not hammer mode, helping you tailor the tool to the task at hand.

Designed for reliability, the HA3JAW combines versatile bit acceptance with a rugged construction that stands up to rough-site conditions. The metal sleeve adds durable protection, so you can rely on steady performance across a variety of drilling tasks.

Key benefits at a glance

• VERSATILE: Enables rotation drilling for masonry, brick, and block with a single chuck.
• UNIVERSAL FIT: Three-jaw design works with Bosch and many competitive SDS-plus hammers.
• EFFICIENT: Quick, keyless locking that secures straight shank bits without a separate key.
• DURABLE: Steel sleeve provides rugged durability for demanding work sites.
• FOR USE: Specifically designed for drill-only mode on SDS-plus rotary hammers.

Real-world use scenarios

On a construction site or during renovation, you might move from drilling anchors in concrete to creating pilot holes in masonry. The keyless design can reduce downtime between bit changes, keeping your workflow smooth and efficient. The universal fit broadens compatibility, so you can pair the chuck with a range of SDS-plus hammers as needed.

Whether you’re drilling through brick, block, or stone, this chuck offers a practical enhancement to your standard drill setup. It’s a simple upgrade that emphasizes ease of use, reliability, and steady performance, helping you focus on the task rather than tooling details.