Ball Lock Ejector Punches - Light Duty Inch XCN Coating

These light-duty ball lock ejector punches are used in injection mold tooling where consistent ejection stroke and secure retention are required, but part loads remain moderate. The ball-lock geometry helps maintain stable positioning during repeated cycles, supporting controlled part release from cavity inserts and mold bases.

• Compact consumer product molds: suitable for small housings and snap-fit components where a reliable lock prevents punch drift and improves ejection repeatability.
• Inch-dimension tooling with cavity inserts: designed for mold bases/cavity assemblies that require controlled ejection using inch interfaces and point lengths matched to insert stack-up.
• Short-to-medium production runs: the XCN coating variant is a practical choice when you want improved surface durability and longer service intervals without moving to heavy-duty steel grades.

Choose the tip shape variant (H, J, K, L, N, O, R, V, X, Y, Z) that matches your part feature and required contact profile to optimize ejection consistency.

This punch series is available in M2 or PS4 material options, allowing engineers to balance wear resistance with toughness needs for light-duty ejection. M2 is a high-speed steel grade commonly selected for its strong wear resistance at elevated surface temperatures. PS4 is typically used when cost and manufacturability are prioritized while still meeting the durability requirements for moderate cycling.

• XCN coating variant: increases surface durability and helps maintain performance over repeated ejection cycles.
• Heat treatment (typical): tool steels are generally supplied in a hardened state and then precision ground to final dimensions; the exact hardness is dependent on the supplied condition for the chosen material grade.
• Trade-off: higher wear resistance materials better tolerate abrasion from part contact, while toughness and dimensional stability are managed through appropriate hardening and finishing.

Please confirm the specific supplied hardness and heat-treatment condition for your selected M2 or PS4 option at time of specification.

Select dimensions by matching the punch shank diameter and coded point length to your mold’s core/cavity stack-up and ejection geometry. The shank diameter D (in) is available in a broad range of 25 ~ 100, so choose the diameter that fits your ejector bore and supports alignment under ejection load.

• Point length (L coded inch): standard point lengths are offered in ranges such as 200–400, 200–500, 200–600, or 225–600, depending on configuration. Additional variants also specify B & L ranges including 225–400, 225–500, and 225–600, and one fixed option lists 250–600.
• Balancing contact depth: ensure the selected L (and B/L combination where applicable) provides the required protrusion without bottoming in the cavity insert.
• Fit and tolerance: if your design depends on close alignment, verify bore tolerance for the chosen D and confirm dimensional tolerance requirements for the ball-lock interface.

Finally, select the appropriate tip shape (H, J, K, L, N, O, R, V, X, Y, Z) to match the part feature you are ejecting.