Extra Long 3/8 Inch Carbide Ball Nose End Mill For Alloy And Hardened Steels, 4 Inch Overall Length, Four Flute, HRC 55 AlTiN Coating CNC Router Bit For Boss Level Precision Metalworking, 1 Piece

Extended 3/8in carbide ball nose end mill for hard metals
✔️ 3/8 in carbide ball end mill, 4-flute, 4 in OAL, AlTiN coating, 1 Piece

These extra-long 3/8 in carbide ball nose end mills are designed for heavy-duty metalworking tasks, delivering precise contouring on alloy and hardened steels, cast iron, and pre-hardened steels with extended reach.

✅ 3/8 in diameter, 4 in overall length for deep pockets
✅ 4-flute carbide construction for clean finishes
✅ AlTiN coating provides high-temp stability and wear resistance
✅ Hard-material performance up to HRC 55 including alloy steels and cast iron

Abmessung	Inches	Millimeter
Diameter	8 in	9.53 mm
Overall Length	4 in	101.6 mm

💡 What is a ball nose end mill used for in metalworking?

Ball nose end mills are handy for shaping complex 3D contours, pockets, and curved surfaces. - ideal for deep pockets and complex 3D contours in hardened steels - handy for precise contouring on alloy steels and cast iron - improves surface finish on pre-hardened materials with AlTiN coated bits