인서트 타입 밀링 공구 90° 90° 90° 90° 90° 90° M4256 M3255 F5055 F4253 F4153 F4053 Walter BLAXX Walter BLAXX Xtra·tec® Xtra·tec® Xtra·tec® 20–32 1,000–1,250 50–80 2,000–3,000 63–500 3,937–6,299 100–315 4,000–8,000 80–200 3,000–6,000 80–160 —             CC CC CC CC CC CC C CC CC CC CC CC CC CC CC CC CC CC C CC CC CC 4/2 4/4 4 4 4 C2 27 / 37 46 / 57 / 58 / 68 / 80 — — — — M4256 M3255 F5055 F4253 F4153 F4053 슬롯 밀링 커터 367