STRAIGHT FLUTE DRILL - Best Carbide 4mm (2 Flute)Best Carbide's high performance cutting tools are engineered for precision and durability. This tool is part of a specialized series built for accurate milling, drilling, and slotting operations across a wide range of materials. Cutting Diameter: 0. 1575 4mm Shank Diameter: 4mm No. of Flutes: 2 Made from solid carbide for extended tool life Optimized for performance in steels, alloys, and hardened materials Manufactured in the USA to exacting

Blue Oxide Finish – Enhances cooling and lubrication while reducing friction and galling

Somta Series 205 – 51

and form accuracy

✅ Precision Performance – Produces clean and precise countersinks for fasteners with ease

Ideal for tapered thread applications in pipe systems

Low-Cost Thread Maintenance – Ideal for repairing damaged external threads on-site or in workshop settings

providing rigid clamping

The 21 I 8 UN MT7 Mill-Thread Insert is designed for internal threading of Unified National (UN) profiles using CNC milling machines with helical interpolation

Pitch: 14 TPI

Designed to produce threads at 18 TPI

5D UNC is the perfect choice for professionals and DIY enthusiasts looking to restore or protect threads in soft materials

Part Number: 10212