MGR(內孔切槽), MGR(內孔切槽, 內冷), MUGR(越程槽), MKR(圓弧切槽)
3*0.5, 3*0.75, 3*1.0, 3*1.5, 4*0.5, 4*0.8, 4*1.0, 4*1.5, 5*1.0, 5*1.2, 5*1.5, 5*2.0, 6*1.0, 6*1.5, 6*2.0, 6*2.5, 8*1.5, 8*2.0, 8*2.5, 8*3.0
3, 4, 6, 7, 8, 10, 12, 15, 20, 22, 25, 30
