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The INTERNAL TOOL 20-1350 is a solid carbide interior grooving tool designed for cutting internal grooves in bored holes. It operates with a right-hand cutting direction and accepts a minimum hole diameter of 0.25 inches, making it suitable for small-bore grooving work. The tool features a full-radius cutting profile and is machined from micrograin solid carbide for consistent edge retention and dimensional accuracy. With an overall length of 3.0 inches and a 0.25-inch shank diameter, it is built for use in CNC lathes, manual lathes, and precision boring applications where tight tolerances are required.
This tool is used in interior grooving applications on cylindrical bores, typically in metal machining environments including job shops, production machining facilities, and maintenance repair operations. It is suited for cutting retaining ring grooves, snap ring grooves, and similar internal features. The 0.5-inch maximum hole depth and 0.5-inch projection accommodate shallow-to-moderate groove depths. Machinists and tool and die technicians are the primary users of this tooling.
Designed as an OEM-style interior grooving tool compatible with standard 0.25-inch shank tool holders used in CNC and manual turning applications.
Installation and use of this tooling should be performed by qualified machinists following safe machine setup procedures. Secure the shank fully in the tool holder and verify runout before cutting. Power down the machine and lock out all energy sources before changing or adjusting tooling. Follow the machine manufacturer guidelines for speed and feed selection based on workpiece material.
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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