Easy-out threaded fastener extractor

Details Easy-out threaded fastener extractor Easy-out threaded fastener extractor

1985-03-12

1986-08-12

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Stud-removal and implacement

7158, B25B 1350

Patent

active

046049177

ABSTRACT:
An easy-out type threaded fastener extractor combination tool wherein an extractor is combined with a drill head whereby the drilling and extracting operation is performed during the same operation. The extractor is slideable upon the drill bit shaft enabling the drill bit to penetrate within the broken bolt before the extractor engages the bolt. A suitable drive head is provided for a drill chuck or other force producing device.

REFERENCES:
patent: 2947225 (1960-08-01), Heppner
patent: 3932904 (1976-01-01), Nilsson et al.
patent: 4218795 (1980-08-01), Ernst et al.

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