Ejector Punches - Inch, XNAD Coating

Ejector punches with an XNAD coated surface are commonly specified for stable part release in precision die sets, where repeat ejection cycles can otherwise accelerate wear at the punch tip.

• Automotive and appliance stamping dies: Use these inch-standard ejector punches to drive clean strip ejection with controlled geometry. The hard-wearing coating helps resist abrasive contact against workpiece surfaces and die inserts.
• Die casting tool ejection systems: Inward die-set ejectors benefit from consistent punch form factors and long-running wear reduction, supporting uniform ejection under high cycle rates.
• Thin-gauge or textured components: Select the appropriate tip shape (H/J/K/L/N/O/R/V/X/Y/Z) and coded point length ranges to match clearances and avoid scuffing while maintaining reliable release.

Choose the variant with your required shank diameter and point length range to align with cavity/core shut-off distances and ejector stroke requirements.

The provided specification set for this series focuses on inch dimensions and XNAD coating; no explicit base steel grade or hardness (HRC) is listed in the input data. As a result, hardness and metallurgical heat-treatment states (e.g., through-hardened, quenched & tempered, nitrided) cannot be stated without the missing material datasheet.

From an application standpoint, the XNAD coating is selected to improve wear resistance and reduce abrasive damage at the punch tip during repeated ejection.

• Coating advantage: Lower tip wear supports punch life and helps maintain ejection consistency across production cycles.
• Design trade-off: Coating performance depends on contact pressure, surface finish, and the selected tip shape; choose geometry to manage edge loading.

If you share the punch steel grade or drawing note, we can map it to an equivalent grade and include the correct HRC/heat-treatment details.

Select dimensions by matching the ejector punch shank and point lengths to the die-set layout while respecting the available coded ranges.

• Shank diameter (D): Choose D in the range 18 ~ 250 in to fit your ejector bore/guide system and maintain proper alignment. Verify the corresponding bore size and clearance for stable guidance.
• Tip/point length (S and alternates): Standard coded point length uses 150 ~ 250 (coded inch). If needed, alternate ranges are available such as 150 ~ 400 / 150 ~ 600 / 175 ~ 625 / 200 ~ 625, and longer options including 225 ~ 625, 225 ~ 650, 250 ~ 650, 250 ~ 700, depending on the selected alternate code (B/C/D/E).
• Cross-section dimensions: Use P (0.05 ~ 1.625) and W (0.062 ~ 0.5) to match your tool geometry constraints near the punch interface.

Confirm tolerance/fit requirements from your die design drawings: the shank diameter must align with guide bores, while the selected point length must provide sufficient ejection travel without bottoming.