SUMIBORON Rake Radial 0° 0.4 to 0.7mm P MK N N S H Ball Nose BES Angle Axial Steel Stainless Steel Cast Iron Non-FerrousMetal Aluminium Exotic Alloy HardenedSteel Endmills Type 0° H H G H ● High Speed Finish Endmilling of Gray Cast Iron Die Molds • Balanced cutting with 2 effective teeth for high efficiency finishing process • Unique insert design to prevent chipping at the tip of the ball for high precision machining • Good chipping and wear resistance with SUMIBORON BN500 grade for longer tool life. ■ Bodies Dimensions (mm) Cat. No. Stock Radius Dia. Depth Neck Shank Length Shank Fig Fig 1 Fig 2 RE DC APMX LH LS LF DMM RE DMM h7 RE DMM h7 BES 160S DC DC 8.0 16 10.0 50 60 110 20 1 200S 10.0 20 13.0 60 80 140 25 1 APMX APMX 250S 12.5 25 15.5 70 80 150 32 1 LH LS LH LS LF LF 300S 15.0 30 18.0 80 80 160 32 1 BES 400S 20.0 40 23.0 100 100 200 42 2 500S 25.0 50 28.0 120 100 220 50 2 Inserts are not included. ■ Inserts ■ Parts Fig 1 RE Fig 2 RE W1 W1 S APMX APMX Applicable L S L Endmills Dimensions (mm) Stock Radius Depth Length Width Thickness Applicable Clamps Double Screws Wrenches Wrenches Cat. No. BN500 RE APMX L W1 S Fig Endmills Screws BEST 160S 8.0 10.0 13.0 6.8 3.5 1 BES 160S Q Q BFTX 0306N 2.0 TRX 10 Q BES 160S 160L 8.0 13.0 13.0 6.8 3.5 1 BES 160S Q Q BFTX 0407N 3.0 TRX 15 Q BES 200S BEST 200S 10.0 13.0 20.0 8.5 4.5 1 BES 200S Q Q BFTX 0509N 5.0 TRX 20 Q BES 250S 200L 10.0 20.0 20.0 8.5 4.5 1 BES 200S Q Q BFTX 0511N 5.0 TRX 20 Q BES 300S BEST 250S CCM 6BL WB 6-13 BXF 0616 Q Q LH 030 BES 400S D 12.5 15.5 22.5 10.5 5.0 1 BES 250S LH 040 250L CCM 6BL WB 6-16 BXF 0616 Q Q LH 030 BES 500S D 12.5 22.5 22.5 10.5 5.0 1 BES 250S LH 040 BEST 300S D 15.0 18.0 25.0 12.0 6.0 1 BES 300S Recommended Tightening Torque (N·m) 300L D 15.0 25.0 25.0 12.0 6.0 1 BES 300S ■ Important Notes L BEST 400S (1) Use rigid machine components and select high Cutting 20.0 23.0 30.0 16.0 7.5 2 BES 400S Speed with low Feed Rate. SUMIBORON 400L 20.0 30.0 30.0 16.0 7.5 2 BES 400S (2) Use dry cutting conditions BEST 500S 25.0 28.0 35.0 20.0 8.0 2 BES 500S 500L 25.0 35.0 35.0 20.0 8.0 2 BES 500S ■ Recommended Cutting Conditions (Min. - Optimum - Max.) ISO Cat. No. Gray Cast Iron (FC) Ductile Cast Iron (FCD) Cutting Speed vc(m/min) Feed Rate f (mm/rev) Depth of cut ap(mm) Pitch feed Cutting Speed vc(m/min) Feed Rate f (mm/rev) Depth of cut ap(mm) Pitch feed pf(mm) pf(mm) BES 160S 250-500-1000 0.1-0.2-0.4 0.1-0.3-0.4 0.2-0.3-0.5 250-500-1000 0.1-0.2-0.3 0.1-0.2-0.3 0.2-0.3-0.5 BES 200S 250-600-1250 0.2-0.4-0.6 0.1-0.3-0.4 0.3-0.5-0.7 250-600-1250 0.1-0.3-0.5 0.1-0.2-0.4 0.3-0.5-0.7 K BES 250S 300-750-1500 0.3-0.5-0.7 0.2-0.4-0.5 0.4-0.6-0.9 300-750-1500 0.2-0.4-0.6 0.2-0.3-0.5 0.4-0.6-0.9 BES 300S 350-800-1500 0.3-0.5-0.7 0.2-0.4-0.5 0.5-0.8-1.1 350-800-1500 0.2-0.4-0.6 0.2-0.3-0.5 0.5-0.8-1.1 BES 400S 500-1000-1500 0.3-0.6-1.0 0.3-0.5-0.7 0.6-1.0-1.4 500-1000-1500 0.2-0.5-0.8 0.3-0.4-0.7 0.6-1.0-1.4 BES 500S 600-1200-1500 0.3-0.6-1.0 0.3-0.5-0.7 0.8-1.3-1.8 600-1200-1500 0.2-0.5-0.8 0.3-0.4-0.7 0.8-1.3-1.8 L117