THE TECHNIKS 44.151.77.400 IS A CAT50 DUALDRIVE FACE MILL ARBOR DESIGNED FOR PRECISION MACHINING APPLICATIONS. IT FEATURES A 3.875-INCH (98.4 MM) OVERALL DIAMETER AND A 3.8-INCH (96.5 MM) BODY WIDTH. THE HUB DIAMETER MEASURES 1.5 INCHES (38.1 MM), AND THE GAGE LENGTH IS 4 INCHES (101.6 MM), WITH A GAGE LENGTH-FACE CONTACT OF 3.864 INCHES (98.15 MM). THE PILOT LENGTH IS 0.94 INCHES (23.9 MM). THIS SINGLE-ENDED TOOL OFFERS AN OPTIONAL COOLANT SUPPLY THROUGH AN ARBOR SCREW, ENHANCING ITS VERSATILITY IN VARIOUS MACHINING ENVIRONMENTS. THE MAXIMUM ROTATIONAL SPEED IS 25,000 RPM, MAKING IT SUITABLE FOR HIGH-SPEED OPERATIONS.