Multi-Flute Countersinks



All carbide Inside Deburring Cutters are designed with a pointed nose. Tools with a head diameter measuring 3/32" thru 1/4" are made of solid carbide and are double ended. Inside Deburring Cutters with a head diameter measuring 5/16" thru 1" have solid carbide heads brazed to hardened alloy precision ground shanks.

MULTI- FLUTE COUNTERSINKS Carbide
HEAD    DIA SHANK DIA OVERALL LENGTH 60° INCL'D 90° INCL'D
PART# PART#
3/32" 3/32" 1-1/2" 3Z-W-DE 3Y-W-DE
1/8" 1/8" 1-1/2" 4Z-W-DE 4Y-W-DE
3/16" 3/16" 2" 6Z-W-DE 6Y-W-DE
1/4" 1/4" 2" 8Z-W-DE 8Y-W-DE
5/16" 1/4" 2-1/4" ID-5/16-30-W ID-5/16-45-W
3/8" 1/4" 2-1/4" ID-3/8-30-W ID-3/8-45-W
1/2" 1/4" 2-1/4" ID-1/2-30-W ID-1/2-45-W
1/2" 3/8" 2-1/8" ID-1/2-30-W-3/8 ID-1/2-45-W-3/8
5/8" 1/4" 2-3/8" ID-5/8-30-W ID-5/8-45-W
5/8" 3/8" 2-3/8" ID-5/8-30-W-3/8 ID-5/8-45-W-3/8
3/4" 1/2" 2-11/16" ID-3/4-30-W ID-3/4-45-W
7/8" 1/2" 2-13/16" ID-7/8-30-W ID-7/8-45-W
1" 1/2" 2-13/16" ID-1-30-W ID-1-45-W



Inside Chamfering Mills can be depended upon to produce smooth, burrless, chamfers on most machinable materials and are suitable for fairly heavy chamfering. For still heavier chamfering, consider Chatterless™ countersinks.

MULTI- FLUTE COUNTERSINKS High Speed Steel
HEAD    DIA OVERALL LENGTH NOSE PNT OR FLAT 60° INCL'D NOSE PNT OR FLAT 90° INCL'D
PART# PART#
1/4" 2-1/4" P IC-1/4-30 P IC-1/4-45
5/16" 2-1/4" 1/32" IC-5/16-30 1/16" IC-5/16-45
3/8" 2-1/4" P IC-3/8-30 P IC-3/8-45
1/2" 2-1/4" 9/64" ICS-1/2-30 1/8" ICS-1/2-45
1/2" 2-1/4" P ICL-1/2-30 P ICL-1/2-45
5/8" 2-1/4" 13/64" ICS-5/8-30 1/8" ICS-5/8-45