3-Flute Thread Milling Cutter UNC/UNF | BEYOND High Precision Carbide Thread Mill carbide end milll size:UNC NO.4-40 The black oxide coating layer

The black oxide coating layer holds up perfectly against hot abrasive chip flows

Cutting Speed (Vc): 100 - 250 m/min (Balanced Performance)

Utilizing the advanced TT7015 CVD coating

The coating stays intact much better than other brands we've tested

and internal left-hand pull-turning operations in confined chambers

3-Flute Thread Milling Cutter UNC/UNF | BEYOND High Precision Carbide Thread Mill carbide end milll size:UNC NO.4-40 The black oxide coating layer3 Flute Thread Milling Cutter UNC UNF BEYOND The BEYOND 3 Flute Thread Milling Cutter is designed for high performance threading of UNC UNF profiles in various materials, including carbon steel, stainless steel, copper alloys, and hardened steel. Made of ultra fine grain solid carbide, it provides superior strength, sharpness, and durability for precise CNC thread milling. Features High precision 3 flute design ensures stable cutting and efficient