Rohm PRIMA 10mm Keyed Drill Chuck Female Mount 1/2 x 20 | 317256

Rohm PRIMA 317256 10mm Keyed Drill Chuck (Female Mount, 1/2" x 20)

Rohm 317256 is a PRIMA keyed drill chuck designed for secure bit holding on hand-operated drilling and percussion drilling machines, where dependable clamping is essential for accurate work. The keyed design helps you apply consistent tightening force, supporting reliable grip across a wide range of drilling tasks.

This Rohm PRIMA keyed chuck uses a female threaded mount and is suited to drills with a compatible 1/2" x 20 spindle thread. It’s a practical choice for maintenance, repair and replacement where you want a robust, workshop-ready chuck in a compact 10mm capacity size.

Key Features

• Keyed tightening mechanism: Allows controlled, positive tightening for a secure grip on drill bits.
• 10mm chuck capacity: Suitable for common small to medium drill bit sizes for general workshop and site tasks.
• Female threaded mount: Designed to fit drills with a compatible 1/2" x 20 spindle thread.
• PRIMA range design: Intended for use on hand-operated drilling and percussion drilling machines.
• Compact form: Helps keep overall drill length manageable, useful when working in tighter areas.

Specifications at a glance

Suitable applications

• Replacing a worn or damaged chuck on compatible hand-held drills with a 1/2" x 20 spindle thread.
• General drilling and light percussion drilling tasks where a keyed chuck is preferred for positive tightening.
• Workshops, maintenance teams and trade users needing a robust keyed chuck for everyday bit sizes up to 10mm.