The Carmex Tiny Tool Kit KT4-20 is a compact, all-in-one solution designed for precise machining on small-diameter work. It brings together seven specialized inserts for boring, profiling, threading, chamfering, grooving, and face grooving, plus a dedicated 20mm shank diameter bar holder (K25) and a convenient alignment key — making it ideal for engineers, machinists, maintenance technicians, and hobbyists who need quick, reliable tools in a portable package.

Housed in a rugged case with a blue foam interior, each tool sits securely in a labeled slot for easy identification and repeatable setups. The kit is perfect for workshop, lab, or field work, helping you prep for the next job without rummaging through drawers.

• All-in-one 20mm shank tool kit: Combines seven inserts (boring MTR4R0.2L10BXC, profiling MPR4R0.2L10BXC, threading MIR4L15A60BXC, chamfering MCR4R0.2L15BXC, grooving MGR4B1.5L10BXC, face grooving MFR4B1.0L15BXC) plus Holder K25 and a key, enabling quick tool changes and streamlined setup.
• Durable, precision-ground inserts:Designed to deliver consistent, high-quality cuts across boring, profiling, threading, chamfering, and grooving tasks with longer insert life and reliable performance.
• Secure, organized case with quick access:Blue foam slots and clear labeling keep every piece in its place, while the 20mm bar holder ensures a secure fit and fast, tool-ready setup on demand.

Using the Carmex Tiny Tool Kit KT4-20 helps you reduce downtime by keeping essential tooling in one portable package, enabling faster job setup and repeatable results. Its durable inserts and dedicated K25 holder deliver dependable performance for small-diameter components, prototypes, and maintenance tasks, helping you improve workflow and achieve consistent results with confidence.