Rohm PRIMA 20mm Keyed Drill Chuck Female Mount JAC3 | 72833

Rohm PRIMA 72833 20mm keyed drill chuck – female mount (JAC3)

Rohm 72833 is a PRIMA keyed drill chuck designed to hold drill bits securely up to 20mm, making it a strong choice for workshop drilling and general trade use where reliable grip and repeatable bit changes matter.

This Rohm PRIMA keyed chuck uses a female JAC3 mounting (also commonly referred to as Jacobs Taper 3 / JT3) and is suited to use on compatible stationary and hand-operated percussion drilling machines.

Key Features

• Keyed tightening: Helps deliver a firm, consistent grip on larger drill bits compared with hand-tightened designs.
• Heavy industrial PRIMA series: Built for demanding drilling tasks on suitable machines.
• Wide clamping range: Accepts 5–20mm shank sizes for versatile bit compatibility.
• JAC3 / JT3 female mount: Designed to fit the corresponding taper for secure, accurate installation.
• Suitable for hand-operated percussion drilling machines: A practical option where an impact-resistant, keyed chuck is required.

Specifications at a glance

Suitable applications

• Drill presses and workshop drilling where a keyed chuck is preferred for secure clamping.
• Compatible hand-operated percussion drilling machines that use a JAC3 / JT3 taper.
• Holding larger drill bits up to 20mm where strong grip and durability are required.