Carbide Square End Mill Four Flute One Piece Shank Three Eighth Inch For Milling Alloy Steels Hardened Steel Cast Iron With AlTiBN Coating Pro Grade For DIYers And Pros

Micrograin Carbide Square End Mill, 4-Flute, 3/8 Dia, 1 Pc
✔️ 3/8 in shank, 4-flute, AlTiBN coated for hardened steels

This micrograin carbide square-end mill is designed for precision milling in steel and metalworking. It excels at cutting alloy steels, pre-hardened steels, and cast iron, making clean pockets, slots, and profiles with tight tolerances.

✅ 4-flute square end mill for precise pockets and slots
✅ Micrograin carbide for toughness, durability, and easy machinability
✅ AlTiBN coating provides high-temperature stability and wear resistance
✅ -0.02 mm tolerance for high-precision cuts

💡 What is a square end mill used for in metalworking and why choose carbide?

Carbide square end mills are handy for creating flat-bottom pockets, shoulders, and precise slots in metals. A high-grade micrograin carbide tool with AlTiBN coating handles tough materials and maintains edge sharpness under heat.

- High rigidity and wear resistance for tough steels - Creates clean, square pockets and profiles with minimal chatter - AlTiBN coating boosts heat resistance and tool life - Compatible with standard 3/8 in shanks on common CNC setups