Parlec C40-12SA4 Milling Machine Arbor CAT40 1.25in

Product Description

The PARLEC C40-12SA4 is a stub-style milling machine arbor designed for use with CAT40 taper spindles on vertical milling machines and machining centers. With a 1.25-inch arbor diameter and a 6.5-inch overall length, this arbor provides a rigid, low-profile setup that minimizes overhang and reduces chatter during face milling and shell mill operations. The taper shank interfaces directly with CAT40 toolholders and spindles for secure, repeatable mounting. Installation requires no specialty equipment beyond standard pull-stud retention hardware. This arbor is intended for use by machinists and toolroom technicians in production or job-shop environments.

This arbor suits horizontal and vertical milling setups where a stub-style configuration is preferred for rigidity and compact projection. The 4-inch projection from the spindle face to the cutting tool mounting surface keeps the cutter close to the spindle nose, which is the preferred setup for heavy face milling cuts on steel, cast iron, and aluminum. The included spacers and arbor nut allow the operator to adjust cutter positioning along the arbor body. Suitable for use in CNC machining centers and manual knee mills equipped with CAT40 spindle tooling systems.

Key Features

• Stub-style design provides maximum rigidity and minimal overhang for heavy milling operations
• CAT40 taper shank ensures precise, repeatable spindle engagement
• 1.25-inch arbor diameter accommodates standard shell mill and face mill bores
• 4-inch projection distance keeps cutting tools close to the spindle nose
• Shoulder-to-nut length of 2.45 inches allows cutter positioning along the arbor
• Includes three spacers and an arbor nut for complete, ready-to-use assembly

Compatibility

Designed for use with CAT40 taper spindle machines, including CNC vertical machining centers and manual knee mills equipped with CAT40 tooling systems. Compatible with shell mills and face mills bored to 1.25 inches.

Installation Notes

Installation should be performed by a qualified machinist or toolroom technician. Power down and lock out the machine spindle before mounting or removing the arbor. Inspect the CAT40 taper and spindle bore for chips or damage prior to seating the arbor. Torque the arbor nut and retention knob according to the machine tool manufacturer specifications.