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CHISEL HALF ROUND NOSE 5/16" - Mayhew Tools

Part #: MY10503

The Mayhew Tools MY10503 5/16" Half Round Nose Chisel is a precision-engineered hand tool designed for professional metalworking applications. Also recognized as a gouge chisel, it excels at creating accurate, semicircular grooves in various metal components. Crafted with Mayhew's commitment to quality and durability, this tool is an essential addition to any professional technician's arsenal.

Key Features

  • Precision Cutting Edge: Features a 5/16" half-round nose blade, specifically designed for cutting precise round and semicircular grooves in metal.
  • Durable Construction: Manufactured from robust forged steel, ensuring exceptional strength and longevity in demanding shop environments.
  • Corrosion Resistance: A black oxide finish provides an added layer of protection against rust and corrosion, extending the tool's lifespan.
  • Professional Grade: Built to meet ASME B107.410 specifications, this chisel delivers reliable performance for professional mechanics and industrial users.
  • Made in the USA: Reflects Mayhew Tools' dedication to high-quality craftsmanship and material integrity.
  • Lifetime Warranty: Backed by Mayhew's unlimited lifetime warranty, ensuring confidence in its dependability.

Applications

This half-round nose chisel is indispensable for specialized metalworking tasks where precise grooving is required. It is commonly used by professional technicians and mechanics for creating oilways in bearings, which is crucial for enhancing lubrication efficiency and reducing wear and friction on critical components. Its design also makes it suitable for cutting curved bottom grooves and enlarging circular holes in various metal parts.

Specifications

  • Model Number: MY10503
  • Blade Width: 5/16" (0.313")
  • Overall Length: Approximately 6.25 inches (6 1/4")
  • Chisel Type: Half Round Nose (Gouge Chisel)
  • Finish: Black Oxide
  • Country of Origin: USA
  • Standards: ASME B107.410
Only 9 left in stock - order soon

$13.22

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
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  • Model: 445255
  • Shipping Weight: 0.32lbs
  • UPC: 045256105031
  • Manufacturers Part #: MY10503
  • Manufactured by: Mayhew Tools
  • Also Known As: MY10503

This product was added to our catalog on Sunday 31 May, 2026.

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