BB Chamfer Cutter Spiral Flute Carbide End Mill 30 40 60 90 120 Degree Steel Aluminum JIN系列 BF2055：Double cutting edge

BF2055：Double cutting edge

expedites chip flow

and washers

8° Asymmetric Design | 8°不对称设计

A high-temperature heat treatment process with high-temperature tempering

BB Chamfer Cutter Spiral Flute Carbide End Mill 30 40 60 90 120 Degree Steel Aluminum JIN系列 BF2055：Double cutting edgeBB Chamfer Cutter Spiral Flute1PCS Function of Spiral Chamfering Cutters The design of the spiral groove forms a natural chip evacuation channel. During the machining process, chips are smoothly pushed upwards along the spiral groove, rather than accumulating near the tool tip. Advantage: This prevents issues such as poor machining quality, accelerated tool wear, and even tool breakage caused by chip entanglement and clogging. This effect is