SERIES 15B4J (TOP-ON STYLE) BUTTON END MILL, .500 IC BUTTON Channel Ramping Pocket Facing Contour Coolant L1 T1 D1 R .250 L1 T1 D1 Extension Thread No. of Coolant Ramp Wrench Cutter Number Nom. Dia. Length Size Inserts Thru Angle Size 15B4J-10015X7R01 1.000 1.50 M12 2 No 1.0 17mm 15B4J-12017X8R01 1.250 1.50 M16 3 Yes 4.5 22mm 15B4J-15017X8R01 1.500 1.50 M16 3 Yes 6.5 22mm For Top-On shanks and adaptors, see pages 730-737. Operating guidelines on page 374. 246