Close Space Punch Blanks - Metric, XCD Coating

These close-space punch blanks are used in punch tooling designs where the available install height and shaft-to-frame clearance are tight. In progressive and transfer dies for compact parts, the D-shank sizes support efficient arrangement, helping maintain consistent punch positioning through repeated strokes.

• Automotive and appliance housings: Use in progressive dies for piercing and forming operations on thin sheet where tooling density is high. The XCD coating variant is suited to improve surface durability at the blanking interface, supporting repeatable press performance.
• Electrical/connector related brackets: Suitable for small footprint features where blank-to-punch conversion must be stable despite limited tooling space. The compact-shaft geometry helps integrate with die blocks and alignment guides.
• General industrial sheet metal punching: Ideal when you need multiple punches within constrained die layouts. Select the metric shank options to match your die layout while keeping wear-resistant surfaces for longer service cycles.

The metric D-shank range and 40 to 100 mm length coverage make this variant practical for standardized tooling packages.

Specification details provided here focus on geometry and coating (XCD), not the underlying steel grade. Therefore, the material section below is limited to processing and performance implications supported by the product variant information.

• XCD Coating: Selected to enhance punch surface durability during repeated punching contact, improving wear resistance and helping maintain dimensional stability over service.
• Hardness/wear vs. toughness: As with most wear-focused coatings, the goal is to reduce abrasion and edge/interface wear; toughness is primarily preserved by selecting an appropriate base steel in the blank manufacturing route (not specified in the provided data).
• Manufacturing approach: Blanks are produced to controlled shank diameter (D) and length (L) for predictable press-fit and alignment in tooling assemblies; coating is applied to the working surface to extend operational life.

If you share the base steel grade and target hardness for the Dayton LAMINA program, we can map the exact heat treatment state (e.g., quenched & tempered, nitrided) and report expected HRC values.

Correct selection is driven by matching the D (shank dia.) and L (length) to your punch holder and die layout requirements.

• Choose D: This series offers metric shank diameters of 2, 3, 4, 5, 6, or 7 mm. Select the smallest size that meets your alignment and load requirements while fitting the available close-space envelope.
• Choose L: Length is fixed in the range of 40 to 100 mm. Match L to the required protrusion through the die set and ensure sufficient engagement length in your punch retaining system.
• Fit and tolerance considerations: For close-space tooling, small deviations in D can affect press-fit clearance and coaxiality in guides/bushings. Use your punch holder bore and guide tolerance data to confirm the clearance class for the selected D.
• Configurable vs. fixed: D is configurable across the listed discrete options, while L is fixed to the 40–100 mm range (varies by order).

After selecting D and L, verify that your die block layout provides clearance around the coated surface and does not interfere with assembly.