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The CARMEX 22IR5UNBMA is a solid carbide laydown threading insert designed for internal UN thread cutting at 5 threads per inch. Manufactured from submicron carbide and finished with a PVD-applied TiAlN coating, this insert delivers consistent thread geometry and extended tool life in demanding turning applications. The 60-degree included angle matches standard UN thread form. With a 0.5-inch inscribed circle and 0.1870-inch thickness, the 22IR5UNBMA fits standard laydown insert toolholders. Installation and replacement are handled by CNC machinists and tool-crib technicians in production and job-shop environments.
This insert is suited for right-hand internal threading operations where UN thread standards are required. The universal material grade designation covers a broad range of workpiece materials including steel, stainless, cast iron, non-ferrous, aluminum, and superalloys. It is appropriate for both light-production and high-volume CNC turning centers where repeatable thread form and surface finish are priorities.
Designed as a laydown-style threading insert for standard 22IR toolholders used in right-hand internal UN thread applications. Compatible with workpiece material categories H, K, M, N, P, and S as defined by the universal material grade classification.
This insert is installed and indexed by qualified machinists or toolroom technicians. Ensure the machine spindle is fully stopped and the toolholder is securely locked before removing or seating the insert. Verify proper insert orientation and seating in the pocket before initiating any cutting cycle. Follow the toolholder manufacturer torque guidance for the clamping screw to avoid insert damage or movement during threading passes.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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