Description
The Mayhew 12mm x 6″ Metric Black Oxide Finish Pilot Punch (25028) is an essential tool designed for the precise removal and installation of roll pins and other hollow tension pins. Its core advantage lies in the original Mayhew patented design, which features a rounded end specifically crafted to fit snugly and securely within a roll pin. This unique tip includes a small ball in the center, providing crucial support to the outer edge of the roll pin, which prevents damage and ensures efficient operation. Unlike standard pin punches, this specialized pilot punch is engineered to handle the specific dynamics of roll and spring pins, making your tasks safer and more effective. The black oxide finish on the punch offers additional rust protection, extending the tool’s lifespan and maintaining its performance over time. Proudly made in the USA, this Mayhew pilot punch is a testament to quality craftsmanship and durability, reflecting over a century of manufacturing excellence.
KEY FEATURES AND BENEFITS:
- Designed for Roll Pin Work: Tailored specifically for removing and installing hollow tension pins without damage.
- Patented Rounded Tip: Features a small central ball to cradle and support the outer edge of the roll pin.
- Enhanced Tool Control: Prevents the pin from collapsing during striking, unlike standard pin punches.
- Rust Protection: Black oxide finish provides corrosion resistance and extended tool life.
- Made in the USA: Manufactured under high American craftsmanship standards for durability and reliability.
- Efficient Design: Increases accuracy, reduces damage risk, and improves safety in use.
SPECIFICATIONS:
- Weight: 0.35 lbs.
- Length: 6″
- Width: 0.625″
- Height: 0.625″
- Brand: Mayhew
- Body Type: Round
- Body Size: 5/8″
- Overall Length (OAL): 6″
- Pin Width: 12mm
- Pin Length: 4″
- Finish Type: Black Oxide Finish
- Packaging: Bulk Packaging
- Included in Purchase: 1x Mayhew 12mm x 6″ Metric Black Oxide Finish Pilot Punch
HOW TO USE:
- Identify the Roll Pin: Locate the roll pin or hollow tension pin you intend to remove or install.
- Select Correct Punch Size: Ensure the 12mm pin width of this pilot punch matches the diameter of your roll pin for a proper fit.
- Position the Punch: Place the rounded end of the pilot punch directly onto the end of the roll pin. The patented design will cradle the pin securely.
- Strike the Punch (Removal): If removing, strike the end of the pilot punch squarely with a hammer. Apply controlled force, driving the pin out from the material.
- Strike the Punch (Installation): If installing, guide the roll pin into its desired hole, then use the pilot punch and hammer to gently and evenly drive the pin into place until it is flush or at the desired depth.
- Verify: Confirm the pin is properly seated or removed as intended.
BENEFITS OF USING MAYHEW 12MM X 6″ METRIC BLACK OXIDE FINISH PILOT PUNCH (25028):
- Prevents Pin Deformation: Engineered tip protects the roll pin during striking.
- Improved Accuracy: Maintains correct positioning and minimizes error during installation/removal.
- Durable Construction: Made with heat-treated alloy steel for strength and resilience.
- Corrosion Resistance: Black oxide finish ensures extended tool longevity.
- Professional-Grade Tool: Trusted by mechanics, machinists, and craftsmen for reliable performance.
FEATURES:
- Designed with a rounded tip to perfectly engage hollow tension pins.
- Constructed with a full shank, heat-treated for enhanced strength.
- Features a protective black oxide coating to inhibit corrosion.
- Precisely engineered for 12mm diameter roll pins.
- Manufactured with quality craftsmanship in the United States.
- Supplied in bulk packaging for various distribution needs.
- Maintains tool integrity over time due to rust-preventative finish.
- Supports the outer edge of roll pins during driving to prevent damage.





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