M2 Steel Ball Lock Ejector Punches Light Duty

Ball lock ejector punches with M2 tool steel are commonly used in metric die tooling where reliable ejection and stable punch retention are required during repeated press cycles. The ball lock mechanism helps maintain secure seating in the ejector assembly, reducing the risk of movement under load and improving positioning consistency.

• Automotive and industrial forming dies: Use these punches for light-duty forming and trim operations where controlled ejection improves part release and reduces cycle-to-cycle variability.
• Electronics housings and connector subcomponents: In insert or insert-assisted die processes, consistent ejector control supports tight downstream alignment and repeatable part separation.
• General-purpose die inserts: When selecting light-duty ejectors for die cavities that see moderate abrasion, the wear-focused M2 steel variant supports longer service life.

Ball lock retention and the available shank diameter range (6–38 mm) make this style well-suited for compact die layouts and dependable ejection control in production.

This series is offered in M2 and PS4 materials, targeted to different wear and toughness needs in die applications. M2 tool steel is selected for its high hardness potential and strong wear resistance, supporting stable punch performance during repeated ejection cycles.

• M2: Typically used where abrasion resistance and edge/punch stability matter most for light-duty cycles.
• PS4: Often chosen when balancing wear with toughness behavior for specific press conditions.

Depending on the variant, the punches are manufactured from the selected steel and then heat treated to reach the appropriate hardness for ejector service. For best results, match material to expected contact wear and the thermal profile of the die operation (e.g., cycle frequency and friction levels). If you need exact hardness (HRC) for your specific part number and heat treatment state, confirm during quotation.

Select ejector punches by matching the shank diameter (D) and overall length to your ejector plate and die cavity/core geometry. The available shank diameter range is D = 6–38 mm, which should be chosen to fit the guide/punch bore without excessive clearance.

• Choose tip shape (H, J, K, L, N, O, R, V, X, Y, Z) based on required contact geometry and part ejection needs.
• Match point length (L1): options include 10–13, 10–19, 13–25, or 19–30 mm depending on how deep the tip must reach.
• Verify overall length (L): options include 63–100, 71–100, or 80–100 mm to ensure sufficient travel and safe clearance during strokes.

Also confirm the interface dimensions P (1.4–12 mm) and W (1.4–14 mm), plus the specified R (0.2 mm) feature. Where ball-lock seating is used, ensure fit and retention by selecting the correct Jektole group (J3M, J4M, J6M, J9M, J12M) aligned to your die’s locking bore geometry.