Rohm PRIMA 6mm Keyed Drill Chuck Female Mount 3/8 x 24 | 72811

Rohm PRIMA 72811 Keyed Drill Chuck – 0.5–6.5mm Capacity, Female 3/8" x 24 Mount

Rohm PRIMA 72811 is a keyed drill chuck designed to securely clamp small drill bits for accurate drilling on compatible machines and drills with a female 3/8" x 24 threaded mount. The key-operated design provides strong, positive grip—ideal when you need dependable bit retention in workshop or on-site use.

With a 0.5–6.5mm clamping range and hardened, precision-ground working components, this Rohm PRIMA chuck suits users who want a durable, industrial-quality chuck for repeated tool changes and consistent alignment. Use 72811 when you need a compact keyed chuck for 3/8" x 24 threaded spindles.

Key Features

• Keyed operation: Provides firm, controlled tightening for secure bit grip during drilling.
• Wide clamping range: Holds drill bit shanks from 0.5mm up to 6.5mm for versatile small-bit work.
• Female 3/8" x 24 mount: Fits drills and machines with a matching 3/8" x 24 male threaded spindle.
• Hardened, precision-ground components: Built for durability and consistent performance in regular use.
• Industrial PRIMA series design: Suitable for use across a range of drilling applications where reliable concentricity and grip are required.

Specifications at a glance

Suitable applications

• General drilling with small-diameter bits where a keyed chuck’s positive grip is preferred.
• Compatible drills and machines with a 3/8" x 24 male threaded spindle.
• Workshop, maintenance and fabrication tasks where consistent bit clamping matters.