DAYTON Point Larger than Shank Regular Ball Lock Punches

These ball lock punches are used in industrial die and press tooling where high retention and stable alignment under cyclic load are critical. The ball lock geometry helps maintain point-to-die positioning, reducing drift and improving repeatable forming results in transfer and progressive operations.

In automotive connector and terminal punching, the point-larger-than-shank profile supports consistent material engagement while the secure ball lock retention helps prevent unwanted punch movement during rapid strokes. Choose this variant when wear at the point and reliable guidance through the die set are key to dimensional stability.

For heavy-duty die work in appliance and electronics housings, the XNM coating supports wear resistance across extended production runs. The metric tool-ready geometry simplifies integration into standard die sets, lowering setup time while supporting predictable punch performance across the provided shank diameter options.

• Ball lock retention improves alignment under load
• XNM coating supports wear resistance for die work
• Metric-ready geometry fits standard die sets

The provided specifications for this punch series focus on geometry and coating rather than a specific steel grade and heat treatment data. The key functional material feature is the XNM coating, selected to improve wear resistance at the working point during heavy-duty die usage.

• XNM coating: enhances surface wear behavior for extended service life in punching operations.
• Trade-off: coating systems primarily improve wear; toughness and impact performance still depend on the underlying punch steel, which is not specified in the provided data.

Because hardness (HRC), quench-and-temper conditions, nitriding, and the exact steel equivalent (e.g., H13/EQUIVALENT) are not stated in the input, hardness and heat-treatment specifics should be confirmed with the manufacturer documentation for your exact stock number.

Start by matching the punch shank diameter D to the die set and retainer pockets that support your ball lock system. This series offers D = 13, 16, 20, 25, or 32 mm, which should be selected based on the required punch stiffness and the die tooling standard you are using.

Select the required point length L1 from the fixed range of 19 to 30 mm to ensure the point engagement depth meets your forming requirements. Then verify the overall L (length) is within 80 to 100 mm for your press stroke and die assembly stack-up.

• Choose Tip Shape: H, J, K, L, N, O, R, V, X, Y, Z based on required hole/edge formation profile.
• Match P and W to your tooling envelope (P: 13.1–32, 16.1–38, 20.1–40, 25.1–44, 32.1–50 mm; W: 1.57–27.8 mm).
• Confirm R corner/edge radius to the die geometry (0.2–16, 0.2–19, 0.2–20, 0.2–22, 0.2–25 mm).

Note that the dataset provides ranges rather than tolerances; for fit and punch retention, use the vendor’s dimension tolerances for the selected D and tip shape in the final die drawing.