Wrench socket

Details Wrench socket Wrench socket

1984-08-08

1987-03-03

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Rigid jaws

B25B 1306

Patent

active

046465944

ABSTRACT:
A wrench for square and hexagonal nut fasteners having a peripherally closed socket defined by eight notches of right angles for reception of the driving head, the said notches having a square opening of four notches equally spaced about its periphery and sized for engagement with the square nut or bolt, and a hexagonal opening of six notches of right angles with planar surfaces and engaging surfaces being separately sized for engagement with the hexagonal nuts or bolts at a maximum 5% difference of size to each other.

REFERENCES:
patent: 838109 (1906-12-01), Hanes et al.

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