Bordo HSS Black Stub Drill Bit Diameter (inch):21/64 This NACHI spherical roller bearing

This NACHI spherical roller bearing at C3 clearance drops straight in where the existing fit matches

For quick inside measurement & determination of inside diameters

250 g tubs give adequate quantity for maintenance and workshop use

9/32" - 1/2" x 1/32" rises Designed for demanding cobalt drill bits applications

▲  Size (W x H): 225 x 300 mm

Bordo HSS Black Stub Drill Bit Diameter (inch):21/64 This NACHI spherical roller bearingM2 HSS, black oxide finish Short series geometry for maximum rigidity and accuracy 118 split point for fast starting without centre punching Stub drills (screw machine twist drills) have a shorter overall length than Twist drills for maximum rigidity and longer tool life. Black Finish Stub Drills (also called blue finish) achieve their distinctive colour by steam tempering, a thermal process resulting in a porous tool coating. They are designed