Punches with Locating Dowel Holes
Cross-Drilled Dowel Pin for Zero-Rotation Positioning. Browse 51 products from MISUMI and DAYTON with configurable dimensions and same-day shipping on standard catalog items.
Punches with Locating Dowel Holes (51 Products)
DIN Standard Steel Center Dowel Ejector Punches | DAYTON - Metric | Request a Quote
Center Dowel Ejector Punches (Metric) for die sets. Steel construction with selectable tip shapes for controlled guidance and ejection reliability. Request a quote.
Center Dowel Ejector Punches - Metric CRN Coating | Dayton Factory Options
Center Dowel Ejector Punches - Metric with CRN Coating for stable part ejection and locating. Durable wear resistance for die casting tool builds. Contact us.
Metric Center Dowel Ejector Punches with XAN DayTAN™ Coating | DAYTON
Metric Center Dowel Ejector Punches with XAN DayTAN™ coating for die casting and stamping. Improve wear life, stability, and tool performance. Request a quote.
Metric Center Dowel Ejector Punches XCD Coating | DAYTON
Metric Center Dowel Ejector Punches with XCD coating for smooth, repeatable part ejection. Built for tool alignment and reliable punch performance. Request a quote.
Center Dowel Ejector Punches - Metric, XCDP Coating | Dayton LAMINA Standard Part Code
Center Dowel Ejector Punches - Metric with XCDP Coating for stable ejection performance. Built for die alignment reliability. Request a quote.
Metric Center Dowel Ejector Punches with XCN Coating | DAYTON Manufacturing
Metric Center Dowel Ejector Punches (XCN Coating) for precise die setup and stable ejection. Durable coating resists wear for production use. Request a quote.
Metric Center Dowel Ejector Punches | XN DayTride Coating | Dayton
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Metric Center Dowel Ejector Punches with XNA Coating | DAYTON
Metric Center Dowel Ejector Punches with XNA coating from DAYTON for guiding and ejection in precision molds, improving wear resistance. Request a quote.
DIN Standard Center Dowel Ejector Punches - Metric with XNAD Coating | Factory Direct
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DAYTON XNAP Coating Center Dowel Ejector Punches - Metric | Industrial Wear Protection
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Metric Center Dowel Ejector Punches XNM Coating | Dayton Lamina Standard Part
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Metric Center Dowel Ejector Punches with XNP Coating | DAYTON | Fast Fulfillment
Metric Center Dowel Ejector Punches with XNP Coating by DAYTON. Designed for locating stability and efficient ejection in die sets. Request a quote.
Dowel Hole vs Keyway: Anti-Rotation Comparison
Locating dowel holes provide the highest angular accuracy for non-round punch orientation. A hardened dowel pin spans the punch shank and punch plate, creating a rigid positive lock with +/-0.1 degree rotational accuracy.
| Dimension | Locating Dowel Hole | Key Groove |
|---|---|---|
| Angular Accuracy | +/-0.1 degrees (interference-fit pin) | +/-0.5 degrees (flat-to-bore clearance) |
| Locking Force | High (shear strength of hardened pin) | Medium (set screw clamping force) |
| Vibration Resistance | Excellent (pin cannot loosen) | Good (set screw may loosen over time) |
| Removal Difficulty | Requires pin pressing tool | Simple set screw removal |
| Shank Weakening | 20-30% of shank cross-section removed | Minimal (0.3-0.5mm flat) |
| Best For | Precision profiles, zero-rotation tolerance | Standard D-cuts, moderate accuracy |
About Punches with Locating Dowel Holes
Locating dowel hole punches feature a precision cross-drilled hole that accepts a hardened dowel pin spanning the punch-to-plate interface. This provides the highest angular locking accuracy (+/-0.1 degrees) of any anti-rotation method, essential for precision profile punches in high-speed stamping. This 51-product range covers standard dimensions in SKD11, SKH51, and SKH40 materials with standard dowel pin sizes per JIS B 5012.
Application Scenarios
Precision Connector Terminal Stamping
Micro-connectors with pitch <1mm require punch profiles oriented to +/-0.05mm positional tolerance.
Why dowel hole punches fit: The +/-0.1 degree angular accuracy ensures that the punch profile maintains alignment with the die cavity across millions of cycles without rotational drift.
Automotive Sensor Housing Piercing
Sensor mounting holes with tight true-position tolerances require anti-rotation locking that withstands the vibration of high-speed stamping (300+ SPM).
Why dowel hole punches fit: Unlike set screws that can loosen from vibration, the interference-fit dowel pin provides permanent rotational locking. No re-tightening maintenance required.
Frequently Asked Questions
Why choose cross-drilled dowel holes for zero-rotation positioning?+
What is the standard pin diameter used in your locating dowel punches?+
Does the dowel hole weaken the shank under heavy side loads?+
Are CAD models available for locating dowel hole punches?+
Engineering Resources
Need a Custom Quote?
Send your specifications and receive a quote. MOQ: 1 piece. Custom dimensions available.