MITSUBISHI MATERIALS CORPORATION
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 Cutting performance of MAS Type
GANG TYPE TOOL POSTS
Workpiece Drill Dia.
ø.125 – ø.250 (inch)
Drill Dia.
ø.251 – ø.400 (inch)
Drill Dia.
ø.401 – ø.625 (inch)
Cutting Speed
(SFM)
Feed
(inch / rev)
Cutting Speed
(SFM)
Feed
(inch / rev)
Cutting Speed
(SFM)
Feed
(inch / rev)
N Aluminum Alloy  Casting 330 (195 - 490) .006 (.002 - .012) 390 (260 - 555) .008 (.004 - .012) 490 (330 - 655) .010 (.004 - .016)
Aluminum Alloy Die Casting 390 (260 - 555) .005 (.002 - .010) 490 (330 - 590) .006 (.002 - .010) 525 (390 - 655) .008 (.004 - .012)
K Cast Iron 195 (130 - 260) .006 (.004 - .008) 260 (195 - 360) .008 (.004 - .012) 330 (230 - 425) .012 (.008 - .016)
Ductile Cast iron 145 (100 - 195) .004 (.002 - .006) 195 (130 - 260) .005 (.002 - .008) 260 (195 - 330) .008 (.004 - .012)

MACHINED HOLE ACCURACY
Tool : MAS1000LB
Workpiece : 330 Aluminum
Feed :.008inch/rev
Drilled Depth : 2.36inch (Through hole)
WSO : (10%)
OveresizeSurface RoughnessRoundness