• Shank Type: Taper Shank
• Taper Size: MT3
• Maximum Workpiece Weight (Lb.): 704
• Point Diameter (Decimal Inch): 1.85
• Tip Diameter (Decimal Inch): 1.181
• Designed to keep dust, chips and coolant from coming inside the bearings
• Hardened and ground to 61-65 Rockwell
• Concentricity within 0.0002