Drill

Details Drill Drill

1987-01-22

1988-05-17

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

Tool of specific diverse material

408230, 408713, B23B 5102, B23C 518

Patent

active

047447044

ABSTRACT:
A drill comprising a drill body (11) and a drill tip (22). The drill tip is detachably secured in a slot in the drill body. The drill tip (22) consists of a tip body and cutting portions. The drill body (11) and the tip body comprise cooperating surfaces in order to receive the radial and axial forces acting on the cutting portions.

REFERENCES:
patent: 2237901 (1941-04-01), Chun
patent: 2902260 (1959-09-01), Tilden
patent: 4222690 (1980-09-01), Hosoi

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