Head exchangeable type MECH Helical End Mill ■ MECH-BT50SA (without coolant hole) Arbor Integral Type (Base Unit + 1 Front Piece + Clamp Bolt) φD C φ100 S1 BT50 S2 L1 38 L 101.8 ・Toolholder structure Clamp Bolt Front Piece Base Unit ■ MECH-BT50-A (without coolant hole) Base Unit φD C φ100 S1 BT50 S2 38 L1 M L 101.8 ● Toolholder Dimensions Milling Std. No. of Flutes No. of Stages No. of Inserts Dimension (mm) Rake Angle Weight Description (kg) φD L L1 C S1 S2 A.R. R.R. Inserts MECH 050R11-4T-BT50SA MTO 8 32 50 143 99 0.7 55 73 +23° -7° 4.8 Arbor 063R17-4T-BT50SA MTO 4 7 28 63 5.8 Lead Angle 45°/20° Integral Type 080R17-4T-BT50SA MTO 80 173 130 1.3 75 104 +19° -7° 7.6 Lead Angle 100R17-6T-BT50SA MTO 6 7 42 100 9.8 15° Lead Angle MECH 050R11-4T-BT50-A MTO 6 24 50 125 81 0.7 10 55 +23° -7° 4.6 0° 063R17-4T-BT50-A MTO 4 63 5.4 High Feed Base Unit 080R17-4T-BT50-A MTO 5 20 80 143 100 1.3 16 75 +19° -7° 6.8 Multi- 100R17-6T-BT50-A MTO 6 5 30 100 8.5 Function Recommended Cutting Conditions M85 Slot Mill ● Toolholder structure Ball-nose M82 M83 Radius End Mill Base Unit Front Piece (1pcs) Clamp Bolt Others MECH 050R11-4T-BT50SA MECH050R11-4T-BT50-A MECH050R11-4T-F HH12X35 063R17-4T-BT50SA = MECH063R17-4T-BT50-A + MECH063R17-4T-F + HH12X40 080R17-4T-BT50SA MECH080R17-4T-BT50-A MECH080R17-4T-F HH16X40 100R17-6T-BT50SA MECH100R17-6T-BT50-A MECH100R17-6T-F HH20X40 MTO : Made to order M82