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Step drill bit

D0936117 ยท 2021-11-16

Assignee

Inventors

Cpc classification

International classification

Abstract

Claims

We claim the ornamental design for a step drill bit, as shown and described.

Description

(1) FIG. 1 is a left side elevation view of a step drill bit embodying our new design;

(2) FIG. 2 is a front elevation view thereof; and,

(3) FIG. 3 is an enlarged top plan view thereof.

(4) Portions of the step drill bit shown in broken lines form no part of the claimed design.