Regular Punches - Metric, XNM Coating

Regular metric punches with XNM coating are used in injection tooling where precise blanking and piercing are required inside progressive or fine-blanking die sets. The coating is selected to support stable tool life during repeated cycles, helping maintain edge condition and dimensional consistency of the produced features.

Common scenarios include:

• Automotive connector and terminal dies: metric shank diameters from 4 to 32 mm and multiple tip shapes (e.g., X, R, K, O, H, L, J, N, V, Z) support forming of different hole or slot geometries while reducing wear-driven pitch and burr growth.
• Industrial electronic and bracket components: varying point lengths (8–13, 13–19, 19–25, 25–30 mm) and punch lengths (40–100 to 63–100 mm) allow alignment with stripper/guide stack-up and reach requirements for clean piercing.
• General metal forming for housings and brackets: the availability of material options (M2 and PS) lets designers match hardness and toughness needs to the expected wear/impact balance.

This punch series is offered in two material options: M2 and PS, with XNM coating applied for wear reduction during repeated blanking. For engineers targeting high hardness and abrasion resistance, M2 is a high-speed steel selection typically used where tool life under sliding/wiping contact is critical; it balances wear resistance with sufficient toughness for punching operations.

• M2: suited for long-running blanking due to strong wear performance under repeated cycles.
• PS: an alternative material option for designs that require different toughness/response to loading while still benefiting from XNM coating’s friction and wear control.

Heat treatment state is not specified in the provided metadata, so hardness (HRC) and exact tempering/nitriding details cannot be stated here. When finalizing the die build, verify the supplier’s hardness/treatment record per part number, especially if multiple materials (M2 vs. PS) are being compared for tool life and edge retention.

Select dimensions by matching the punch geometry to the die cavity/core opening and the required piercing depth/reach. Start with the shank diameter D in the range 4 ~ 32 mm, ensuring it fits the guide or bushing bore used in your punch holder system. Choose the tip shape (H, J, K, L, N, O, R, V, X, Y, Z) to match the desired cut profile and edge strength for your feature geometry.

• Point length (L1): pick from 8–13, 13–19, 19–25, 25–30 mm based on the distance from punch contact to where clearance or backing begins in the die stack.
• Punch length (L): choose a range that covers your stripper/holder and full stroke requirement (available ranges include 40–100, 50–100, 56–100, 63–100 mm).
• Feature-related dimensions: set P (0.8 ~ 10 mm) and W (1.3 ~ 10 mm) according to the required contact/cut parameters for the selected tip shape.

Where tight fit is required, confirm the guide/bushing clearance and any published tolerances for the chosen part number; tolerance data is not provided in the metadata.