MKR小孔徑內孔圓弧槽刀（19 種）：MKR4×R0.5×L10×D4×50L、MKR4×R0.5×L15×D4×50L、MKR4×R0.75×L10×D4×50L、MKR4×R0.75×L15×D4×50L、MKR5×R0.5×L15×D5×50L、MKR5×R0.5×L22×D5×50L、MKR5×R0.75×L15×D5×50L、MKR5×R0.75×L22×D5×50L、MKR5×R1×L15×D5×50L、MKR5×R1×L22×D5×50L、MKR6×R0.5×L15×D6×50L、MKR6×R0.5×L22×D6×50L、MKR6×R0.75×L15×D6×50L、MKR6×R0.75×L22×D6×50L、MKR6×R1×L15×D6×50L、MKR6×R1×L22×D6×50L、MKR8×R0.5×L22×D8×60L、MKR8×R0.75×L22×D8×60L、MKR8×R1×L22×D8×60L