Vertex Pro-Series 3/4″ Drill Chuck 1/8-3/4 Capacity JT4 Taper | MPN 3701-0120

Vertex Pro-Series 3/4″ Extra-Large Capacity Keyed Drill Chuck (JT4 Mount)

This listing is for a brand new, Vertex Pro-Series 3/4″ heavy-duty drill chuck (MPN 3701-0120). This is a professional-grade chuck designed for the largest drilling applications in industrial shops, on radial arm drills, large drill presses, and heavy-duty lathes.

The massive 3/4″ (0.750″) capacity provides the gripping power needed for drilling large diameter holes in steel and cast iron, while the JT4 (Jacobs Taper #4) mount ensures a secure, slip-free fit to your machine’s spindle or arbor.

Technical Specifications & Pro-Series Features

• Brand: Vertex

• Model: Pro-Series

• MPN: 3701-0120

• Capacity: 1/8″ to 3/4″ (0.125″ to 0.750″)

• Mount: Jacobs Taper #4 (JT4)

• Chuck Type: Keyed (Incluye la llave de apriete / Chuck Key)

Pro-Series Enhancements:

• Hardened & Ground Jaws: Jaws are fully hardened and precision ground for extreme grip strength and superior resistance to wear and tear.

• High Concentricity: The body and internal components are ground to ensure low runout (T.I.R.), allowing your drill bits to run true and create accurate holes.

• Heavy-Duty Construction: Built to withstand the high torque and thrust forces associated with drilling 3/4″ holes in tough materials.

Compatibility Warning

This chuck uses a Jacobs Taper #4 (JT4) mount. This is a large, specific taper.

• Please verify your machine’s spindle or arbor before purchasing.

• This is NOT a JT3, JT33, or threaded mount. It will only fit on a male JT4 taper.