Carmex SRC0750H18 Indexable Thread Mill 0.54in Cut Dia

Product Description

The CARMEX SRC0750H18 is an indexable thread mill designed for both internal and external thread milling operations. It accepts C18 and S20 insert styles secured by a screw-clamping method, and features through-coolant capability to extend tool life and clear chips during demanding milling cycles. The body uses a CMT toolholder style with a 0.75-inch shank diameter and a cutting diameter of 0.54 inches, giving it a compact neck profile suitable for threading operations in tight-clearance bores. Licensed machinists and CNC tooling technicians install this tool in machining centers where repeatable thread quality and insert interchangeability are priorities.

The SRC0750H18 is suited for production and job-shop environments requiring versatile thread milling across a range of materials. With a maximum hole depth of 1.26 inches and an overall length of 4.0 inches, it handles typical thread depths found in medium-production components. The through-coolant design makes it effective in ferrous and non-ferrous materials where heat and chip evacuation are concerns. It is applicable to both internal bore threading and external thread profiling in a single toolholder platform.

Key Features

• Accepts C18 and S20 indexable insert styles for flexible tooling setups
• Through-coolant capability improves chip evacuation and extends insert life
• 0.54-inch cutting diameter with matching 0.54-inch neck diameter for reduced interference
• Screw-clamping insert retention ensures secure seating under milling loads
• CMT toolholder style with 0.75-inch shank for rigid machine spindle connection
• Capable of both internal and external thread milling from a single body

Compatibility

Compatible with C18 and S20 indexable thread mill inserts. Designed as a CMT-style toolholder for use in machining centers equipped with a 0.75-inch collet or matching tool-holding system.

Installation Notes

Installation is performed by qualified CNC machinists or tooling technicians. Ensure the spindle is powered down and the machine is in a safe state before loading or changing the tool. Verify insert seating and screw torque per the insert manufacturer specification sheet before running the program. Confirm through-coolant port alignment with the machine spindle coolant supply before initiating the cut.