American Standard Bushings by Broach Style

duMONT Minute Man® Keyway Broaches and Bushings have letter designations signifying the body width of the Keyway Broach and the guide slot in the Bushing. The Bushing size and Style are determined by the bore diameter of the workpiece as well as the Style of Broach to be used. “A” Style Broaches are used with “A” Style Bushings, “B” Style Broaches with “B” Style Bushings, etc. duMONT Collared Bushings are “A”, “B”, and “C” Style while “D” and “E” Style Bushings are Plain. “F” Style Bushings are Plain and though considered Special are often available from stock.

Specials: We are fully equipped to manufacture Special Collared or Plain Bushings to your specifications. Please contact factory for details.


EDP No. Diameter Diameter (mm) Style Decimal Equivalent Length Used with
Broach Style
33301 1/4 mm A 1 1/8 A Collared Only
33302 5/16 mm A 1 1/8 A Collared Only
33303 3/8 mm A 1 1/8 A Collared Only
33304 7/16 mm A 1 1/8 A Collared Only
33305 1/2 mm A 1 1/8 A Collared Only