The duMONT Company, LLC

Made in the USA

Keyway Broach Sets

duMONT Minute Man® Bushings guide and support the Broach as it passes through the workpiece enabling the operator to use individual Keyway Broaches in a variety of bore sizes. 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. Available from stock "A", "B", "C", "D" and "E" Style Bushings in the most common American Standard sizes (1/4"-3"). Additional "E" Style Bushings (larger than 3") and "F" Style Bushings are available from stock or short delivery.

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

Bushing Sizes: 1/4 - 1/2, A Style (1) | 1/2 - 7/8, B Style (8) | 7/8 - 1 1/2, C Style (8) | 1 7/16 - 2 15/16, D Style (4) | 2 5/16 - 3, E Style (4)

No. 00 Precision Set EDP No. 11101 Keyway Sizes Broach Style Bushing Diameters (Bore Sizes)
The most common combinations for small keyways and bores.
3 Broaches and 5 Bushings = 15 keyway combinations.
Collared A Bushings
1/16 , 3/32 , 1/8 A 1/4, 5/16, 3/8, 7/16, 1/2
0 , 0 , 0 , 0 0
No. 10 Standard Set EDP No. 11104 Keyway Sizes Broach Style Bushing Diameters (Bore Sizes)
Our best selling Broach Set.
4 Broaches and 9 Bushings = 18 keyway combinations.
Collared B and C Bushings
1/8 , 3/16 B 1/2, 5/8, 3/4, 7/8
1/4 , 3/8 C 1, 1 1/8, 1 1/4, 1 3/8, 1 1/2
0 , 0 , 0 , 0 0
No. 10A Standard Set EDP No. 11108 Keyway Sizes Broach Style Bushing Diameters (Bore Sizes)
Same as No. 10 Set, but for sixteenth-sized bores.
4 Broaches and 9 Bushings = 18 keyway combinations.
Collared B and C Bushings
1/8 , 3/16 B 9/16, 11/16, 13/16
1/4 , 3/8 C 15/16, 1 1/16, 1 3/16, 1 5/16, 1 7/16, 1 9/16
0 , 0 , 0 , 0 0
No. 10-10A Combination Set EDP No. 11120 Keyway Sizes Broach Style Bushing Diameters (Bore Sizes)

Combines 10 and 10A sets. Features all bore sizes in 1/16 inch increments.

4 Broaches and 18 Bushings = 36 keyway combinations.
Collared B and C Bushings
1/8 , 3/16 B 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8
1/4 , 3/8 C 15/16, 1, 1 1/16, 1 1/8, 1 3/16, 1 1/4, 1 5/16, 1 3/8, 1 7/16, 1 1/2, 1 9/16
0 , 0 , 0 , 0 0
No. 20 Combination Set EDP No. 11121 Keyway Sizes Broach Style Bushing Diameters (Bore Sizes)

Same as No. 10-10A combinaton set, but adds a 5/16 inch keyway for 11 extra combinations.

5 Broaches and 18 Bushings = 47 keyway combinations.
Collared B and C Bushings
1/8 , 3/16 B 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8
1/4 , 5/16 , 3/8 C 15/16, 1, 1 1/16, 1 1/8, 1 3/16, 1 1/4, 1 5/16, 1 3/8, 1 7/16, 1 1/2, 1 9/16
0 , 0 , 0 , 0 0
No. 30 Standard Set EDP No. 11112 Keyway Sizes Broach Style Bushing Diameters (Bore Sizes)
A great starter set.
3 Broaches and 9 Bushings = 15 keyway combinations.
Collared B and C Bushings
1/8 B 1/2, 5/8, 3/4
3/16 , 1/4 C 7/8, 1, 1 1/8, 1 1/4, 1 3/8, 1 1/2
0 , 0 , 0 , 0 0
No. 30A Standard Set EDP No. 11116 Keyway Sizes Broach Style Bushing Diameters (Bore Sizes)
Same as No. 30 Set, but for sixteenth-sized bores.
3 Broaches and 9 Bushings = 15 keyway combinations.
Collared B and C Bushings
1/8 B 9/16, 11/16, 13/16
3/16 , 1/4 C 15/16, 1 1/16, 1 3/16, 1 5/16, 1 7/16, 1 9/16
0 , 0 , 0 , 0 0
No. 30-30A Combination Set EDP No. 11124 Keyway Sizes Broach Style Bushing Diameters (Bore Sizes)
Combines 30 and 30A sets. Features all bore sizes in 1/16 inch increments.
3 Broaches and 18 Bushings = 30 keyway combinations.
Collared B and C Bushings
1/8 B 1/2, 9/16, 5/8, 11/16, 3/4, 13/16
3/16 , 1/4 C 7/8, 15/16, 1, 1 1/16, 1 1/8, 1 3/16, 1 1/4, 1 5/16, 1 3/8, 1 7/16, 1 1/2, 1 9/16
0 , 0 , 0 , 0 0
No. 40A Set EDP No. 11127 Keyway Sizes Broach Style Bushing Diameters (Bore Sizes)
The most common keyway combinations for medium-sized keyways and bores.
4 Broaches and 8 Bushings = 32 keyway combinations.
Plain D Bushings
5/16 , 3/8 , 7/16 , 1/2 D 1 1/2, 1 5/8, 1 3/4, 1 7/8, 2, 2 1/8, 2 1/4, 2 1/2
No. 40 Set EDP No. 11129 Keyway Sizes Broach Style Bushing Diameters (Bore Sizes)

Same as No. 40A, but for sixteenth-sized bores.

4 Broaches and 8 Bushings = 32 keyway combinations.
Plain D Bushings
5/16 , 3/8 , 7/16 , 1/2 D 1 7/16, 1 9/16, 1 11/16, 1 13/16, 1 15/16, 2 3/16, 2 7/16, 2 15/16
0 , 0 , 0 , 0 0
No. 40 1/2A Heavy Duty Set EDP No. 11131 Keyway Sizes Broach Style Bushing Diameters (Bore Sizes)
The most common keyway combinations for large keyways and bores.
2 Broaches and 6 Bushings = 12 keyway combinations.
Plain E Bushings
5/8 , 3/4 E 2 3/8, 2 1/2, 2 5/8, 2 3/4, 2 7/8, 3
0 , 0 , 0 , 0 0
No. 40 1/2 Heavy Duty Set EDP No. 11133 Keyway Sizes Broach Style Bushing Diameters (Bore Sizes)

Same as No. 40 1/2A, but for sixteenth-sized bores.

2 Broaches and 6 Bushings = 12 keyway combinations.
Plain E Bushings
5/8 , 3/4 E 2 5/16, 2 7/16, 2 9/16, 2 11/16, 2 13/16, 2 15/16
0 , 0 , 0 , 0 0
No. 50 Heavy Duty Set EDP No. 11135 Keyway Sizes Broach Style Bushing Diameters (Bore Sizes)
Includes the most common keyway combinations for medium and large keyways.
3 Broaches and 17 Bushings = 29 keyway combinations.
Plain D and E Bushings
1/2 D 2, 2 1/16, 2 1/8, 2 3/16, 2 1/4
5/8 , 3/4 E 2 5/16, 2 3/8, 2 7/16, 2 1/2, 2 9/16, 2 5/8, 2 11/16, 2 3/4, 2 13/16, 2 7/8, 2 15/16, 3
0 , 0 , 0 , 0 0
No. 100 Heavy Duty Combination Set EDP No. 11136 Keyway Sizes Broach Style Bushing Diameters (Bore Sizes)
The most complete Minute Man Broach Set available; including all popular combinations without duplication.
9 Broaches and 44 Bushings = 102 keyway combinations.
Collared B and C Bushings, Plain D and E Bushings
1/8 , 3/16 B 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8
1/4 , 5/16 C 15/16, 1, 1 1/16, 1 1/8, 1 3/16, 1 1/4, 1 5/16, 1 3/8, 1 7/16, 1 1/2, 1 9/16
3/8 , 7/16 , 1/2 D 1 7/16, 1 1/2, 1 9/16, 1 5/8, 1 11/16, 1 3/4, 1 13/16, 1 7/8, 1 15/16, 2, 2 1/16, 2 1/8, 2 3/16, 2 1/4
5/8 , 3/4 E 2 5/16, 2 3/8, 2 7/16, 2 1/2, 2 9/16, 2 5/8, 2 11/16, 2 3/4, 2 13/16, 2 7/8, 2 15/16, 3