Jacobs 7365N Taper Drill Chuck Arbor JT33 3/4 in Shank

Product Description

The JACOBS 7365N is a taper drill chuck arbor designed to connect a drill chuck to a machine spindle using a JT33 Jacobs taper mount. It features a straight shank with a 3/4 inch diameter and an overall length of 4.156 inches, making it a compact, direct-fit adapter for benchtop drill presses and similar drilling equipment. The arbor transfers rotational force from the spindle to the chuck with minimal runout when properly seated. Machinists, toolroom technicians, and industrial maintenance professionals typically install this component during chuck mounting or replacement procedures.

This arbor is suited for use in light- to medium-duty drill press applications where a JT33 taper interface is specified. It is commonly installed on benchtop and floor-standing drill presses in machine shops, fabrication facilities, and maintenance environments. The 3-inch straight shank length provides adequate engagement in the spindle bore, and the JT33 taper end accepts standard Jacobs-taper-compatible drill chucks. Professionals replacing a worn arbor or reconfiguring a spindle-chuck assembly will find this a straightforward drop-in component.

Key Features

• JT33 Jacobs taper mount for secure chuck-to-spindle connection
• 3/4 inch straight shank diameter for spindle compatibility
• 3-inch shank length provides solid spindle engagement
• 4.156 inch overall length suits compact drill press configurations
• Weighs 0.375 pounds for easy handling during installation

Compatibility

Designed as an OEM-style replacement arbor for drill press spindles that accept a JT33 Jacobs taper chuck mount with a 3/4 inch straight shank interface.

Installation Notes

A qualified machinist or toolroom technician should install this arbor. Power down and lock out the drill press before removing or seating any spindle components. The JT33 taper should be cleaned and inspected for burrs or debris before seating the chuck; a sharp mallet tap on the chuck body is the standard method to set the taper. Never use an arbor that shows visible damage to the taper surface, as this will cause runout and chuck failure.