ABOUT CNC SPLINE BROACHING
Carbide Broach Inserts with Spline Forms – Custom Made to order
All Spline Broach Inserts are a Special Grind with a Three Insert minimum order

Involute Spline Configurator
Using the Involute Spline Broach Configurator – Note: This tool is designed to work only for splines conforming to ANSI B92.1 standards
- Step 1: Choose the spline type – Internal or External.
- Step 2: Select the Pressure Angle (e.g. 30°, 37.5°, 45°).
- Step 3: Pick the Fit Type (e.g. Flat Root, Fillet Root, or Major Diameter Fit).
- Step 4: Choose the Tolerance Class.
- Step 5: Enter the Diametral Pitch (dp).
- Step 6: Enter the Number of Teeth.
- Step 7: Enter the Length of Cut.
- Step 8: Press the “Quoting Info” button
- Try the full version of CNC Machinist Calculator Ultra
Carbide Spline Broach Inserts fit our standard Keyway Slotting Tools, and have TWO carbide cutting edges.
Please read this Blog Post which describes the information we require for quoting. If you are broaching a spline per ANSI B92.1 the information can be copied and pasted from the configurator to the left.
To receive a quote for Spline Inserts, please contact us though our contact form. See this blog post to learn more about what we require for quoting.
- CNC Broach Tools will review your drawing.
- If our products are a fit for your application, we will provide a quote.
- An approval drawing will be provided within a few days after placing your order.
- The standard lead time for Spline Broach Inserts is 21-28 days (days to ship).
- Expedite options are available with lead times as fast as 7-10 days.



