Slater Tools: Number one for Rotary Branding
.500 Shank Diameter

Serration Broaches

Slater Tools offers precision ground Internal Serration Rotary Broaches designed to be used individually or as mating parts with Slater's External Standard Serration Rotary Broaches. When mating the internal with the external serration, there will be a .0028" per side tooth clearance. Internal and External Serration Rotary Broaches can be produced with a variety of custom options.
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  • Serration Broaches
    .500" Shank Diameter

  • 1.75" Overall Length
  • Order: Refer to individual order numbers below
.500 Shank Diameter .500 Shank Diameter Mechanical Image

Standard Sizes

Standard Size (in)
# of Teeth B Order #
11/32" Serration Broach 12 .3480 503-3480
11/32" Serration Broach 16 .3480 505-3480
11/32" Serration Broach 21 .3480 507-3480
3/8" Serration Broach 14 .3790 503-3790
3/8" Serration Broach 18 .3790 505-3790
3/8" Serration Broach 23 .3790 507-3790
13/32" Serration Broach 15 .4100 503-4100
13/32" Serration Broach 19 .4100 505-4100
13/32" Serration Broach 24 .4100 507-4100
7/16" Serration Broach 16 .4415 503-4415
7/16" Serration Broach 21 .4415 505-4415
7/16" Serration Broach 26 .4415 507-4415
15/32" Serration Broach 17 .4730 503-4730
15/32" Serration Broach 22 .4730 505-4730
15/32" Serration Broach 28 .4730 507-4730
1/2" Serration Broach 18 .5040 503-5040
1/2" Serration Broach 24 .5040 505-5040
1/2" Serration Broach 30 .5040 507-5040
9/16" Serration Broach 20 .5665 503-5665
9/16" Serration Broach 27 .5665 505-5665
9/16" Serration Broach 34 .5665 507-5665
5/8" Serration Broach 23 .6290 503-6290
5/8" Serration Broach 30 .6290 505-6290
5/8" Serration Broach 38 .6290 507-6290
21/32" Serration Broach 24 .6600 503-6600
21/32" Serration Broach 31 .6600 505-6600
21/32" Serration Broach 39 .6600 507-6600
11/16" Serration Broach 25 .6915 503-6915
11/16" Serration Broach 33 .6915 505-6915
11/16" Serration Broach 41 .6915 507-6915
3/4" Serration Broach 27 .7540 503-7540
3/4" Serration Broach 36 .7540 505-7540
3/4" Serration Broach 45 .7540 507-7540

Available Internal Broach Options:

  • Coatings: TiN, TiCN, TiAlN
  • Materials: M2, PM4, T15 High Speed Tool Steels
  • Different overall lengths (including 28mm)
  • Custom cut lengths
  • Custom major and minor dimensions
  • Any desired number of teeth
  • Custom tooth profiles
  • MICRO forms
  • Corner radius
  • Spun ground diameter on broach corners
  • Single or double vent holes
  • Flat on shank can be aligned with flat on form (for holding orientation)
  • Re-sharpening
  • Quantity discounts at 5, 10, 30, 50, 100, 150, 200 pieces