Drill centering device

Details Drill centering device Drill centering device

1996-09-09

1998-06-02

Bishop, Steven C.

Cutting by use of rotating axially moving tool

With work-engaging structure other than tool or tool-support

408104, 408115B, 408241B, B23B 4904, B23B 4902

Patent

active

057589968

ABSTRACT:
A drill centering device for use in combination with a drill bit for drilling centered holes in an end of a generally longitudinal piece of stock, comprises a guide box having a centrally aligned inner channel dimensioned for directing a drill bit therethrough and an annular rim extending from one end of the guide box. The annular rim is symmetrical about the inner restrictive channel of the guide box and dimensioned to receive a piece of stock for drilling centered holes in the same.

REFERENCES:
patent: 673689 (1901-05-01), Reil
patent: 3199380 (1965-08-01), Threlkeld
patent: 3224021 (1965-12-01), Curran

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