The Hoffmann Group Machining Calculator is now also available in 16 languages: German, Hungarian, Czech, Spanish, Slovenian, Swedish, Russian, Romanian, Polish, Dutch, Italian, French, Finnish, English, Danish and Chinese.

Materialremoval ratein turning formula

Use the Hoffmann Group Machining Calculator to calculate the most relevant cutting and performance data for turning, drilling, milling and TPC milling production methods. The Hoffmann Group Machining Calculator is an app, which we have developed specially for you, so that you can calculate cutting and performance data regardless of tool and offline – any time, anywhere.

Choose the Bit 1/4" Pre-Drill #14 for its precision, durability, and versatility — the perfect tool for achieving clean and accurate drilling in a variety of materials.

Elevate your drilling experience with the Bit 1/4" Pre-Drill #14, a superior tool designed for professionals and DIY enthusiasts. Explore the detailed features that make it the right tool for the job:

Metricmetal removal rate calculator

In the additional screen on performance calculation, you can calculate all relevant performance values such as torque, metal removal rate, main processing time, performance, cut arc angle and specific cutting forces, by selecting the corresponding material and entering additional production parameters.

MaterialRemoval Rateformula for drilling

Precision with 118° Split Point: The 118° split point is a hallmark feature, ensuring both cutting edges engage with the material at an optimal angle. This precision translates to clean and accurate holes, making the Bit 1/4" Pre-Drill #14 an essential tool for tasks requiring precise drilling.

Calculate the relevant parameters for your application using a few entries. In this case, it is possible to calculate the cutting width, feed rate per cutting edge, cut arc angle and the maximum cutting thickness.

Versatile Straight Shank Design: The straight shank design enhances versatility, making the Bit 1/4" Pre-Drill #14 compatible with an array of drilling machines and hand tools. Beyond compatibility, the straight shank provides stability during operation, allowing for controlled and precise drilling in various materials.

Metal removal rate calculatorapp

You can calculate the speed and feed rate for the production methods of turning, drilling and milling by entering the corresponding parameters, as well as subsequently readjusting them to the machine parameters.

User-friendly interface allows for fast and simple navigationForward and reverse calculations allow you to calculate the cutting speed using the given speed for exampleIntegrated link to ToolScout and access to our tried-and-tested material databaseClear formulae with explanatory pictograms

Built to Last with Roll Forging: The roll-forging process used in crafting this drill bit ensures exceptional durability. This technique imparts strength to the bit, making it resilient under the pressures of regular use. The result is a reliable tool that consistently performs over an extended period.