Parlec C40F-75SM1 Shell Mill Holder CAT40 0.75 in Pilot

Product Description

The PARLEC C40F-75SM1 is a CAT40 dual contact taper shank shell mill holder designed for rigid, high-accuracy face milling operations on machining centers. The dual contact interface engages both the taper and the spindle face simultaneously, reducing runout and improving repeatability compared to standard single-contact tooling. With a 0.75 inch pilot diameter and a 1.75 inch nose diameter, this holder accommodates a wide range of shell mill cutter bores. Total indicator runout (TIR) is 0.005 mm, and the holder is balanced to 8000 RPM. Through-spindle coolant is supported, though Parlec adapter 028-192C is required to enable coolant-through function. Installation is handled by CNC machinists and toolroom technicians.

This holder is suited for use on vertical and horizontal machining centers equipped with CAT40 dual contact spindles. Typical applications include face milling, shoulder milling, and high-feed milling operations in production environments where runout control and toolholder rigidity directly affect surface finish and tool life. The 1.38 inch projection from flange to nose end keeps the cutter close to the spindle face, minimizing overhang and improving dynamic stiffness during heavy cuts. Through-spindle coolant delivery supports cutting operations where chip evacuation and thermal management are critical.

Key Features

• CAT40 dual contact taper shank engages both taper and spindle face for reduced runout and improved rigidity
• 0.75 inch (19.05 mm) pilot diameter with 1.75 inch (44.45 mm) nose diameter for broad shell mill compatibility
• TIR of 0.005 mm for precision cutter positioning
• Balanced to 8000 RPM for stable high-speed operation
• Through-spindle coolant capable - requires Parlec adapter 028-192C for coolant-through use
• Compact 1.38 inch flange-to-nose projection minimizes overhang

Compatibility

Designed for use in CAT40 dual contact spindle machines. Through-spindle coolant function requires Parlec adapter 028-192C.

Installation Notes

Installation should be performed by a qualified CNC machinist or toolroom technician familiar with CAT40 toolholding systems. Power down and lock out the machine spindle before mounting or removing the holder. Use a properly calibrated torque wrench and the appropriate retention knob for the machine spindle to achieve correct drawbar clamping force. Verify TIR at the cutter pilot bore after installation using a dial test indicator before beginning any cutting operation.