Countersinking tool with removable cutting inserts

Details Countersinking tool with removable cutting inserts Countersinking tool with removable cutting inserts

1996-10-04

1999-01-26

Howell, Daniel W.

Cutting by use of rotating axially moving tool

Tool or tool with support

Having stepped cutting edges

408229, 408713, B23B 5110

Patent

active

058631615

ABSTRACT:
A two-fluted countersink tool for countersinking holes comprising a holder and removable cutting inserts. The cutting holder having a body with two portions removed to define a first and second pocket. Each insert has first and second ends, first and second lateral surfaces, first, second and third top surfaces and a bottom surface. The cutting surface of each cutting insert extends from an edge of the third top surface. The cutting surface has a first cutting edge and a second cutting edge.
The cutting inserts are positioned inside the pockets and are attached to the holder such that the cutting edge remains as close as possible to the centerline of the countersink tool.

REFERENCES:
patent: 3163920 (1965-01-01), Stier
patent: 4165201 (1979-08-01), Heule
patent: 4197042 (1980-04-01), Krhounek et al.
patent: 4353670 (1982-10-01), Jorgensen
patent: 5071295 (1991-12-01), Greig

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