RUKO Tapping Chuck MK3 M5-M24 Quick-Change with Adjustable Torque Clutch

Tap threads from M5 to M24 with automatic reversal and seven torque settings on this quick-change tapping chuck with Morse Taper 3 mount.

Overview

The RUKO GMBH Gewindeaufnahme-MK3-M-5-M-24 is a robust tapping chuck designed for stationary drilling and milling machines. It features a Morse Taper 3 (MK3/MT3) shank for secure mounting and a quick-change system for efficient tap changes. The chuck accommodates metric taps from M5 to M24, with a maximum tap shank diameter of 18 mm and maximum square size of 14.5 mm. An adjustable torque clutch with seven settings provides overload protection, while automatic tap reversal speeds up threading operations. The chuck is compatible with DIN 376 and DIN 371 tap holders and is suitable for use with coolant. Constructed from high-alloy steel, hardened and ground, it delivers high run-out accuracy and long service life. Made in Germany.

What stands out

• Quick-change tapping system for fast tap swaps
• Adjustable torque clutch with 7 settings prevents tap breakage
• Automatic reversal on withdrawal for efficient threading
• Accepts metric taps M5–M24, covering a wide range
• High-alloy steel body, hardened and ground for durability
• Compatible with DIN 376 and DIN 371 tap holders
• Suitable for coolant use in production environments

Technical details

• Mounting taper: Morse Taper 3 (MK3 / MT3)
• Tapping capacity: M5 – M24 (metric)
• Max. tap shank diameter: 18 mm
• Max. tap square size: 14.5 mm
• Torque settings: 7
• Tap holder standard: DIN 376 / DIN 371
• Material: High-alloy steel, hardened and ground
• Coolant compatibility: Yes
• Application: Stationary drilling and milling machines

Our verdict

A professional-grade tapping chuck that combines quick-change convenience with precise torque control, ideal for workshops requiring reliable thread cutting across a broad metric range.