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PIN PUNCH EXTRA LONG METRIC 4MM - Mayhew Tools

Part #: MY21510

The Mayhew Tools MY21510 Extra-Long Metric Pin Punch is a professional-grade hand tool engineered for precision and durability in demanding automotive and industrial environments. Specifically designed for the accurate removal of pins and keys that have already been loosened, this 4mm pin punch provides the necessary extended reach for various intricate tasks. Crafted with attention to detail in the USA, it is an indispensable addition to any professional technician's toolkit.

Key Features

  • Precision 4mm Pin Tip: Ensures accurate engagement with metric pins, minimizing the risk of damage during extraction.
  • Extra-Long Design: With an 8-inch (200mm) overall length, this punch offers superior reach into recessed areas and tight spaces, enhancing control and accessibility.
  • Durable Construction: Manufactured from high-strength, hardened alloy steel with a Rockwell hardness of 55–57, guaranteeing exceptional longevity and resistance to wear.
  • Corrosion Resistance: Features a black oxide finish that provides an additional layer of defense against rust and oxidation, preserving the tool's integrity and appearance over time.
  • Secure Hexagonal Body: The hexagonal body design offers a firm, secure grip and prevents the tool from rolling on work surfaces.
  • Professional-Grade Quality: Proudly made in the U.S.A., reflecting Mayhew Tools' commitment to quality craftsmanship and rigorous production standards.

Applications

The Mayhew Tools MY21510 Extra-Long Metric Pin Punch is invaluable for a broad spectrum of professional applications. It excels in automotive repair for tasks such as removing roll pins, cotter pins, and dowel pins from engine components, brake systems, suspension linkages, and transmission assemblies during disassembly and reassembly. In industrial settings, it facilitates precise removal and installation of various pins in machinery, heavy equipment, jigs, and fixtures. This tool is also ideal for general mechanical work, metalworking, fabrication, and assembly operations where controlled, sequential pin removal is critical.

Specifications

  • Model Number: MY21510
  • Pin Width: 4mm
  • Overall Length: 8 inches (200mm)
  • Body Type: Hex
  • Body Size: 5/16 inch
  • Material Hardness: Rockwell 55–57
  • Finish: Black Oxide
  • Weight: 0.13 lbs
Only 5 left in stock - order soon

$9.26

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
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This product was added to our catalog on Sunday 07 June, 2026.

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