Union Butterfield 6210037 4702 Short Set Straight Shank Interchangeable Pilot Counterbore, 7/16 in Dia Bore, 3/8 in Dia Shank, 4-1/16 in OAL, 3 Flutes, HSS, Pilot Shank Diameter Compatibility: 5/32 in
Item Code: UNIO 6004976 6210037 4702
Brand: Union Butterfield
Mfg Part No: 6210037
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
Bore Diameter
7/16
Number of Flutes
3
Overall Length
4-1/16
Series
4702
Shank Diameter
3/8
Cutting Direction
Right Hand
Finish
Bright
Material
HSS
Pilot Shank Diameter Compatibility
5/32
Type
Short Set Straight Shank
UPC
69846407550
For enlarging the end of a preformed hole when a flat bottom is required