Milling W1SW1S W1S No. of edges Other applications Grooving end mill for M/C GVR Dimension (mm) Tolerance Carbide Cermet Applicable Insert Description PVD - -CWCDXSREW1INSLCWCWmin.max.PR1225PR930KW10TC40TC60TN90toolholder⇨M217 GVR 100-020SS 1 N N N N U 125-020SS 1.25 N N N N 145-020SS200-020SS1 1.452 2.3 3 0.2 3.6 N9- 0.03+ 0.03NNNNN N U MGI1420-1SSNU 250-020SS 2.5 N N N N CDX 2゜ RE 300-020SS 3 N N N N CW±0.03 INSL RE GVR 100-020S 1 N N N N N U 1-edge 125-020S 1.25 N N N N N U 145-020S 1.45 N N N N N 185-020S 1 1.85 2.3 4 0.2 4 11 - 0.03 + 0.03 N N N N N MGI1620-1S 200-020S 2 N N N N N U 250-020S 2.5 N N N N N 340-020S 3.4 N N N N N GVR 100-020A 1 N N N N N U 125-020A 1.25 N N N N N U 145-020A 1.45 N N N N N U 185-020A200-020A 2 1.852 2.3 5 0.2 4 12 - 0.03 + 0.03 NN NN NN NN NN U MGI2020-1A 250-020A 2.5 N N N N N U 300-020A 3 N N N N N U 340-020A 3.4 N N N N N U GVR 145-020B 1.45 2.8 N N N N N U 185-020B 1.85 2.8 N N N N N U CDX 200-020B 2 3.2 N N N N N U 2° RE INSL CW±0.03RE 230-020B 2.3 3.2 N N N N N U 250-020B 2 2.5 3.2 5.5 0.2 4.5 15 - 0.03 + 0.03 N N N N N U MGI2220-1B 280-020B 2.8 3.2 N N N N N M 2-edge 300-020B 3 4.2340-020B3.44.2 N N N N N UNNNNN 400-020B 4 4.2 N N N N N U GVR 280-020C 2.8 4.5 N N N N N U 300-020C 3 4.5 N N N N N U 340-020C 3.4 5.5 N N N N N U 400-020C 2 4 5.5 6.5 0.2 5.8 21 - 0.03 + 0.03 N N N N N U MGI3225-1C (430-020C) 4.3 6.3 N N N N N (460-020C) 4.6 6.3 N N N N (500-020C) 5 6.3 N N N N N GVR 200-100AR 2 1 N N N N 250-125AR 2 2.5 2.3 5 1.25 4 12 - 0.03 + 0.03 N N N N MGI2020-1A 300-150AR 3 1.5 N N N N CDX 2゜ RE INSL CW±0.03 2-edge / Full R / Copying GVR 200-100BR300-150BR2 23 3.24.25.5 11.5 4.5 N15- 0.03+ 0.03NNNNN N U MGI2220-1BNU Only Right-hand insert is applicable. N : Standard item R : Right hand only L : Left hand only U : Check availability M216