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TapTest.co by DeepMill

TapTest.co by DeepMillTapTest.co by DeepMillTapTest.co by DeepMill
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  • SpeedCast Software
  • Tap Test Kit
  • Harmonizer PGML
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Toolholder Manufacturers

Tap Testing for Toolholder Manufacturers

Now available.

America's largest metalworking distributor continues to offer tap testing as a service. Our five year exclusive agreement with them has ended and we are now free to offer the very same award winning solution under our own brand name of SpeedCast tap testing kits and AI-generated Dashboards.


Over five years and thousands of tap tests the following results were published:

  • 200% increase in feed rates (it was actually more-see below)
  • 300% increase in metal removal rates
  • 50% decrease in cycle times

Get started today

Fill out the pricing request form below and we will  provide you with a quotation for a kit and software.

Request for Quotation
click to try sample dashboard

Tap Testing Benefits for Tooling Manufacturers

Just Milling?

Price per Part vs. Price per Tool

Price per Part vs. Price per Tool

Milling is the largest cutting segment accounting for 40.3% of all tools purchased. It also removes the most material and therefore has the largest impact on your customer's profitability. It is the most difficult of all metalworking applications and is prone to chatter. Win milling and you win the customer.

Price per Part vs. Price per Tool

Price per Part vs. Price per Tool

Price per Part vs. Price per Tool

Tap testing will show your customer the value of increasing performance rather than focusing on the purchase price. Toolholders will transform from a commodity bought from the lowest bidder to a highly engineered solutions.

Increase the Market Size

Price per Part vs. Price per Tool

Increase the Market Size

According to Taylor's Equation higher velocity increases tool consumption. They will buy more endmills and inserts, along with more toolholders for redundant back-ups. They will be more competitive and win more work. 

Tool Tuning

Select Right Toolholder

Increase the Market Size

If you manufacture toolholders you need to learn the concept of "tool tuning". By adjusting the amount of the endmill stick-out, guided by tap tests and AI Dashboards (generated in less than a minute) you can manipulate the stable speed lobes or zones to match your holder. 

Reduce Cost of GTO's

Select Right Toolholder

Select Right Toolholder

Reduce cost of Guaranteed Trial Orders (GTO). Use tap testing to predict outcomes and to adjust configurations to score more wins. Toolholders supplied for failed trials cannot be resold as new. Use tap testing to if a trial order is warranted before committing.

Select Right Toolholder

Select Right Toolholder

Select Right Toolholder

You have different lengths and types of toolholders. Each will cause different behavior at the tool point and be stable at different speeds. 

Catalog Chart vs. Dashboard

Catalog Chart vs. Dashboard

Catalog Chart vs. Dashboard

In this study the same tool was compared using speeds and feeds recommended by the chart in the manufacturer's catalog. The tool chattered and need to slow down to be stable. The same tool was tap-tested and the Dashboard provided parameters that improved metal removal by a factor of five. Don't let the cutter ruin your toolholder test.

Blueprint Specials

Catalog Chart vs. Dashboard

Catalog Chart vs. Dashboard

Special tools and toolholders have no historical data. Tap testing will give you the correct parameters before the first cut and can aid in design revisions.

Sell SpeedCast

Catalog Chart vs. Dashboard

Sell SpeedCast

You can resell SpeedCast tap testing kits and software subscriptions to your customers. We off reseller discounts. Fill out the form at the bottom of this page to get a quotation. 

Frequently Asked Questions

Click the CONTACT tab if you cannot find an answer to your question.

Having your tool database in our system makes it easier for users to access and test your tools. The databases included with every kit were scraped from websites or paper catalogs. Some SKUs and tool attributes may have been missed. While still able to provide actionable results in Dashboards, they might be fully optimized. Ensure they are by providing your data whether you have a kit or not.


It is very easy to learn and use. Here is a video. We have a comprehensive online training program that has be successfully used by over 200 individuals. Basic training takes just a few hours. If a CNC machine tool is not available to train with, a Bridgeport or drill press will also work. Our SimpleMilling™ application makes it very easy to take the first measurement.


Tap testing is a proven and validated technology, so we don't need to offer free trials. We do offer a $1250 30-day rental. 


SpeedCast is exclusively for milling.


Staggering the teeth or varying the helix angle does make an endmill immune to deflection and vibration. They are not 100% rigid. They still have speeds that are good and speeds that should be avoided. They still have depth of cut limits that can be optimized using the combination of tap testing, Dashboards and Harmonizer. 


Damped toolholders lower the frequency of vibration but do not eliminate them. Tap testing damped holders will reveal good and bad speeds. Also, damped holders are very long and suited for deep applications at slower speeds.


The kits are guaranteed for as long as your subscription is active. If your kit fails during that period, we will replace it via our Repair-by-Exchange program. The guarantee does not extend to consumables (cables, tips, wax and glue) or to replace lost components.


Wec have a chat function under the SUPPORT tab that will answer most questions and those it cannot will be immediately escalated to a live support engineer. 


Two primary reasons: (1)The SFM recommendations from tooling manufacturers are too conservative. Did you know that the speeds were determined using turning tests? Turning is in the cut constantly while with milling the teeth are in and out of the cut giving them time to cool. Milling tools can handle much higher speeds than the charts say. (2) The speed and feed charts can often give parameters that will chatter. The response to chatter is to slow down. We often find much higher stable speeds that could have been selected if they only knew they existed.


Yes, once validated for resell pricing you can buy kits and subscribe to software for your own use at those prices.


Request Pricing

Whether you use tap testing or not, others will and you want your data to be correct. It's free.

SpeedCast Database Upload Templates

You can customize your kits to include your tooling databases for ease of lookup and better performance predictions by all SpeedCast users. Email the spreadsheet to dbarton@deepmill.ai

example_toolholder_1 (xlsx)Download

STP Files

Provide us 3D STP files of your toolholders and indexable tool bodies (with inserts) for the next enhancement of SpeedCast. Use your SKU for the file names.

*Requires SpeedCast kit and software

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