Close Space Straight Punches Inch with XNAP Coating

Q: What are the allowable ranges for punch length and the P dimension for this inch close-space straight punch?

The fixed L (Length) range is 150 to 400 in . The fixed P dimension range is 0.04 to 0.25 in . Use these ranges to select the punch size that fits your tool stack-up and your die interface close-space requirements.

Q: What role does the XNAP coating play in punch wear performance for long production runs?

This variant includes an XNAP coating intended to improve wear resistance under production use. Combined with hardened punch construction, it helps maintain punch surfaces for consistent forming and guidance over time. For qualification, compare wear targets against your expected stroke count and material abrasiveness.

Q: How should I select L to avoid bottoming while maintaining controlled punch-to-die clearance?

Choose L within 150–400 in so the punch fully executes the forming/blanking stroke without contacting the bottom of the tool stack. Then verify that the die set designed clearance zone is supported by selecting the correct P dimension within 0.04–0.25 in . This combination supports stable guidance in close-space applications.

Q: Is there enough specification data to confirm hardness (HRC) for this punch variant?

The input data confirms hardened punch construction and an XNAP coating , but it does not provide a specific steel grade or HRC value. If your process requires a hardness proof or material traceability, request the detailed spec sheet from the supplier for the exact steel grade and heat-treatment condition used.

Close space straight punches inch with XNAP coating are designed for punch press applications that require controlled punch-to-die clearance and stable guidance. Built for consistent forming results, they help extend service life under repetitive production cycles.

Close-space geometry for stable positioning and reliable forming cycles
XNAP coating supports improved wear resistance in production use
Optional head types: angled head (KWX) or regular head (KCX)
Inch range availability for efficient sourcing and fast line setup

Request a Quote Back to Category

Specifications

2 configurations available

Type	L (Length) (in)	P Dimension (in)
Regular head - KCX	150 ～ 400	0.04 ～ 0.25
Angled head - KWX	150 ～ 400	0.04 ～ 0.25

Product Guide

🏭Application Scenarios+

Close-space straight punches are used in punch press tooling where the die set needs tight, controlled punch-to-die clearance and predictable guidance. In high-throughput forming, the close-space geometry helps keep the punch centered through each stroke, reducing alignment drift and improving cycle-to-cycle consistency.

Common scenarios include precision sheet-metal blanking, where stable guidance supports accurate part edges and consistent forming results. The XNAP coating is well suited for abrasive or long-run applications because it helps improve wear resistance compared with uncoated punch surfaces.

They are also used in connector and bracket component production when repeatability matters across many cavity locations. Engineers can choose regular head (KCX) or angled head (KWX) depending on press access, stripping requirements, and alignment with tool hardware.

Stable guidance under repetitive cycles
XNAP coating for improved wear resistance
KCX or KWX head options for tooling layout flexibility

🔧Material & Process Details+

The provided product data specifies an XNAP coating and hardened punch construction for improved wear performance. While the exact steel grade is not listed in the specifications, the design intent is to deliver a tough, wear-resistant punch body suitable for repetitive punching and close-clearance guidance.

XNAP coating is applied to support wear resistance in production use, helping maintain punch dimensions and guidance over extended cycles. For wear vs. toughness trade-offs, a hardened punch construction generally favors dimensional stability and surface durability, while careful tool setup helps preserve toughness by avoiding excessive side loading.

Wear resistance emphasis via hardened punch construction and XNAP coating
Trade-off: higher hardness typically reduces tolerance for misalignment and shock
Heat treatment state: hardened punch construction (specific HRC not provided)

If you need a specific HRC target or a particular steel grade for qualification, share your drawing/spec—Axiom Molds can align material/finish to your requirements where available.

📐Sizing & Selection Guide+

Select dimensions by matching the punch envelope to your die set close-space requirements and the press tooling geometry. For this inch-range product, the key fixed dimensions are L (Length) from 150 to 400 in and the P dimension from 0.04 to 0.25 in.

Start with the required penetration and protrusion in your punch press stack-up, then choose an L value within 150–400 in that ensures the punch fully performs the forming/blanking stroke without bottoming. Next, select the P dimension within 0.04–0.25 in to align with the designed punch-to-die clearance zone for controlled guidance.

Match L to press tooling space and stroke energy needs
Match P to the die interface and close-space geometry
Head type: choose KCX (regular) or KWX (angled) based on access/stripping constraints

Tolerance guidance is not provided in the input data; confirm your die tolerance band and any guidance clearances with your engineering drawing to ensure proper fit in the tool holder.

Frequently Asked Questions

How do the KCX (regular) and KWX (angled) head types affect close-space punch alignment in a die set?+

KCX provides a regular head configuration, while KWX offers an angled head option. The head choice is typically driven by tool layout, press access, and stripping/guide alignment needs. For close-space tooling, selecting the head that best matches the die set geometry helps maintain stable punch guidance across repetitive cycles.

What are the allowable ranges for punch length and the P dimension for this inch close-space straight punch?+

The fixed L (Length) range is 150 to 400 in. The fixed P dimension range is 0.04 to 0.25 in. Use these ranges to select the punch size that fits your tool stack-up and your die interface close-space requirements.

What role does the XNAP coating play in punch wear performance for long production runs?+

This variant includes an XNAP coating intended to improve wear resistance under production use. Combined with hardened punch construction, it helps maintain punch surfaces for consistent forming and guidance over time. For qualification, compare wear targets against your expected stroke count and material abrasiveness.

How should I select L to avoid bottoming while maintaining controlled punch-to-die clearance?+

Choose L within 150–400 in so the punch fully executes the forming/blanking stroke without contacting the bottom of the tool stack. Then verify that the die set designed clearance zone is supported by selecting the correct P dimension within 0.04–0.25 in. This combination supports stable guidance in close-space applications.

Is there enough specification data to confirm hardness (HRC) for this punch variant?+

The input data confirms hardened punch construction and an XNAP coating, but it does not provide a specific steel grade or HRC value. If your process requires a hardness proof or material traceability, request the detailed spec sheet from the supplier for the exact steel grade and heat-treatment condition used.