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RAD-8 (MRW)
MRW End Mill (Inch Size)
D dh6 dh6
r D
DrS L rS L
Fig.1 Fig.3
d h6 dh6
D
S r S
L L
Fig.2 Fig.4
Toolholder Dimensions (Inch Size) Dimensions (in) Rake Angle Coolant Hole
() Drawing
Part Number
Stock A.R. Max.
No. of r D d L S (Max.) R.R. RPM
Inserts
Standard Shank MRW 1250-W125-12-3T 3 0.236 1.25 1.25 3.921 1.575 0.236 +12° -20° Yes Fig.3 22,000
(Weldon) 1500-W125-12-4T 4 (6mm) 1.50 1.25 3.856 1.575 (6mm) -16.5° Yes Fig.4 18,800
2000-W150-12-5T 5 2.00 1.50 4.266 1.575 -15.5° 16,000
MRW 1500-W125-16-2T 2 0.315 1.50 1.25 3.856 1.575 0.315 +11° -18° Yes Fig.4 17,200
2000-W150-16-4T 4 (8mm) 2.00 1.50 4.262 1.575 (8mm) -16.5° 14,800
2500-W150-16-5T 5 2.50 1.50 4.262 1.575 -16.5° 12,800
RADIUS / BALL-NOSE MRW 1250-S125-12-2T-8 2 0.236 1.25 1.25 8.000 1.575 0.236 +12° -20° Yes Fig.1 22,000
Long Shank 1500-S125-12-3T-8 3 (6mm) 1.50 1.25 8.000 1.575 (6mm) -16.5° Yes Fig.2 18,800
(Cylindrical) 2000-S150-12-4T-12 4 2.00 1.50 12.000 1.969 -15.5° 16,000
MRW 1500-S125-16-2T-8 2 1.50 1.25 8.000 1.575 -18° 17,200
2000-S150-16-3T-8 3 0.315 2.00 1.50 8.000 1.575 0.315 +11° -16.5° Yes Fig.2 14,800
(8mm) (8mm)
2500-S150-16-4T-12 4 2.50 1.50 12.000 1.969 -16.5° 12,800
J Spare Parts and Applicable Inserts (Inch Size)
Spare Parts Applicable Inserts B16
Clamp Wrench Pre-Set Anti-seize
Screw Torque Wrench* Compound
Part Number
DTPM-15 TTP-20 NEW
General Purpose Low Cutting Force Tough Edge
(For Heavy Milling)
SB-4085TRP DTPM-15 -
Recommended Torque for
MRW ···-12... Insert Clamp 3.5 N·m PST-IP15 MP-1 ROMU1204M0ER-GM ROMU1204M0ER-SM ROMU1204M0ER-GH
SB-50140TRP - TTP-20
MRW ···-16... Recommended Torque for PST-IP20 MP-1 ROMU1605M0ER-GM ROMU1605M0ER-SM ROMU1605M0ER-GH
Insert Clamp 4.5 N·m
Caution with Max. Revolution Recommended Cutting Conditions J10
When running an end mill or a cutter at the maximum revolution, the insert or cutter may be damaged by centrifugal force.
Coat Anti-Seize Compound (MP-1) thinly on portion of taper and thread prior to installation.
*For prolonged insert and cutter life, it is recommended to use the pre-set torque wrench to ensure proper insert screw force.
Pre-Set Torque Wrench sold sepaately.
S is Maximum D.O.C.
For more details, see Page J10
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