Union Butterfield 6210042 4702 Short Set Straight Shank Interchangeable Pilot Counterbore, 19/32 in Dia Bore, 1/2 in Dia Shank, 5-1/8 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 3/16 in
Item Code: UNIO 6004978 6210042 4702
Brand: Union Butterfield
Mfg Part No: 6210042
Manufacturer: Dormer Pramet
Unit Size: 1
Used to enlarge the end of a preformed hole when a flat bottom is required The counterbore is an end cutting tool which utilizes and interchangeable pilot to align the enlarged hole being machined with the preformed hole The 3-flute counterbore reduces chatter and improves finish
Cutting Direction
Right Hand
Finish
Bright
Material
HSS
Overall Length
5-1/8
Type
Short Set Straight Shank
Bore Diameter
19/32
Number of Flutes
3
Pilot Shank Diameter Compatibility
3/16
Series
4702
Shank Diameter
1/2
UPC
69846407538
For enlarging the end of a preformed hole when a flat bottom is required