Standard Punches
Shoulder & Ejector Types for General Stamping. Browse 159 products from MISUMI and DAYTON with configurable dimensions and same-day shipping on standard catalog items.
Standard Punches (159 Products)
P Dimension 0.8 Close Space Punches - Metric | Dayton Solutions
Close Space Punches - Metric with fixed P dimension 0.8 for precise forming work. M2 or A2 steel options and metric shank sizes. Request a quote.
Close Space Punches - Metric CRN Coating | DAYTON | Factory Direct
Close Space Punches - Metric with <b>CRN coating</b> for efficient close-clearance punching. DAYTON tooling for longer wear and stable performance. Request a quote.
Close Space Punches Metric P=0.8 | XAN DayTAN™ Coating | DAYTON
Metric Close Space Punches with fixed P 0.8 dimension for precise workpiece positioning. DAYTON XAN DayTAN™ coating option—request a quote.
Close Space Punches Metric XCD Coating | DAYTON Material Controlled Finish
Close Space Punches Metric XCD Coating for precision press tooling. DAYTON standardized builds with controlled finish for reliable cutting and forming. Order today.
Metric Close Space Punches XCDP Coating | DAYTON Tooling
Metric Close Space Punches with XCDP coating for reliable cutting performance in close-clearance toolsets. DAYTON tooling for stable results—request a quote.
DAYTON Close Space Punches - Metric XCN Coating | Precision Punching Tools
Close Space Punches - Metric XCN Coating by DAYTON for precise punching in tight die space. Durable XCN coating helps extend tool life. Request a quote.
Close Space Punches Metric P 0.8 | DAYTON Coated Option | Fast Supply
Close Space Punches Metric by DAYTON with fixed <b>P dimension 0.8 mm</b> for tight tool spacing. Choose XN DayTride® coating options and request a quote.
Close Space Punches Metric XNA Coating | Dayton Lamina Style | Fast Delivery
Close Space Punches Metric XNA Coating for accurate die cavity alignment. Built for durable wear and stable punching in production. Request a quote.
Close Space Punches Metric P=0.8 | DAYTON Lamina Standard Punches
Close Space Punches Metric with fixed P dimension 0.8 for consistent press fit. DAYTON LAMINA standardized part number format. Request a quote.
Close Space Punches Metric XNP Coating | Dayton LAMINA Standard | Factory Support
Close Space Punches Metric XNP Coating for tight shut-off die work. XNP surface support improves wear resistance and smooth punching. Dayton LAMINA standard.
DAYTON XNM Coated Close Space Punches - Metric | Stable Die Performance
Close Space Punches - Metric for die work, supplied by DAYTON with XNM coating. Designed for stable punch guidance in close-tolerance assemblies. Request a quote.
Metric Close Space Punches XNP Coating | Dayton Precision Punching Tools
Metric Close Space Punches with XNP coating for controlled material flow in tight-clearance dies. Built for stable punch wear and long production runs.
Shoulder Punch vs Ejector Punch Selection
Standard punches come in two fundamental configurations: shoulder (stepped shank) and ejector (spring-loaded jector). The choice depends on whether you need passive retention or active part ejection from the punch face.
| Dimension | Shoulder Punch | Ejector Punch |
|---|---|---|
| Shank Design | Double-stepped: head + body + tip | Single-stepped with internal spring-loaded jector pin |
| Retention Method | Mechanical head seated against backing plate | Same head retention + spring-assisted part stripping |
| Part Ejection | Relies on stripper plate only | Internal jector pin pushes slugs off punch face |
| Best For | Standard piercing & blanking with effective stripping | Slug sticking problems, thin materials, oil-starved conditions |
| Material Options | SKD11 (HRC 58-62), SKH51 (HRC 63-65), SKH40 (HRC 67-70) | SKD11/D2, SKH40 powder metallurgy |
| Coating Options | TiCN, DLC, Dicoat | TiCN, Dicoat surface treatment |
| Cost Index | 1.0x (baseline) | 1.5-2.0x (internal mechanism adds cost) |
| Maintenance | Simple regrinding | Jector spring requires periodic replacement (every 500K-1M cycles) |
Tool Steel Grade Selection
Punch steel grade determines the balance between hardness (wear resistance) and toughness (breakage resistance). The correct choice depends on your stamping material, production volume, and acceptable punch life before regrinding.
SKD11 / D2 (HRC 58-62) — General Purpose
Cold work tool steel with 12% chromium, high carbon (1.4-1.6%). Provides excellent wear resistance for mild steel and aluminum stamping up to 500K hits between regrinds. Weakness: brittleness in small cross-sections (<3mm tip diameter). Heat treatment: vacuum hardening + double tempering at 180-200 deg C. This is the standard grade for 80% of punch applications.
SKH51 / M2 (HRC 63-65) — High Speed Steel
Molybdenum-tungsten high speed steel with fine carbide distribution. Superior red hardness (maintains hardness above 600 deg C). Best for: high-speed progressive dies (>200 SPM), AHSS stamping (590-980 MPa tensile), and stainless steel piercing. Typical punch life: 800K-1.2M hits. Cost premium: approximately 40% over SKD11.
SKH40 / Powder Metallurgy HSS (HRC 67-70)
Gas-atomized powder metallurgy steel with ultra-fine, uniformly distributed carbides (5-8 micrometer). The finest grain structure eliminates the carbide banding that causes premature chipping in conventional HSS. Best for: micro-piercing (<1mm holes), abrasive materials (silicon steel, ceramic-filled plastics), and applications requiring >2M hits per regrind. Cost premium: 2-3x over SKD11.
About Standard Punches
Standard punches are the foundation of every stamping die's cutting tool complement. This category includes 159 products spanning shoulder punches (double-stepped shank, seated against backing plate) and ejector punches (spring-loaded internal jector for positive slug ejection). Available in three tool steel grades: SKD11/D2 for general purpose (HRC 58-62), SKH51/M2 for high-speed and AHSS applications (HRC 63-65), and SKH40 powder metallurgy for extreme wear resistance (HRC 67-70). Surface treatments include TiCN coating (golden, HV 3000), DLC (diamond-like carbon, HV 5000), and Dicoat treatment for enhanced lubricity.
Application Scenarios
Connector Terminal Stamping
High-speed progressive dies for electronic connectors require micro-punches (<1mm) running at 300-600 SPM with zero burr tolerance.
Why standard punches fit: SKH40 powder metallurgy grade provides the fine-grain toughness needed for sub-millimeter tip diameters, while TiCN coating reduces galling on copper alloy strip.
Automotive Body Panel Piercing
Medium-volume stamping of AHSS (Advanced High-Strength Steel, 590-980 MPa) body panels requires punches that resist edge chipping under high shear stress.
Why standard punches fit: SKH51/M2 high speed steel maintains cutting edge integrity on AHSS. Double-stepped shoulder design provides secure retention under the high stripping forces typical of AHSS piercing.
General Sheet Metal Piercing
Standard piercing operations on mild steel, aluminum, and brass in production runs of 100K-500K pieces per lot.
Why standard punches fit: SKD11/D2 provides the optimal cost-to-life ratio for general materials. Ejector type prevents slug pulling on oily stock without additional tooling modifications.
Frequently Asked Questions
When should I use an ejector punch instead of a standard shoulder punch?+
What is the difference between SKD11, SKH51, and SKH40 tool steels for punches?+
Are standard JIS shapes available for immediate shipping?+
Can I request custom lengths for standard die punches?+
Engineering Resources
Need a Custom Quote?
Send your specifications and receive a quote. MOQ: 1 piece. Custom dimensions available.