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YANKEE

YANKEE is a brand of precision cutting tools, primarily known for its reamers and counterbores used in metalworking and machining applications. The product line includes chucking reamers, hand reamers, and counterbores with built-in pilots, all manufactured from high-speed steel (HSS). Chucking reamers are available in straight-flute and spiral-flute configurations, with diameters ranging from fractional inches to metric sizes, and shank types including Morse Taper (MT1) and straight shanks. Hand reamers feature spiral flutes with left-hand or right-hand cutting directions. Counterbores are designed for specific screw sizes, with built-in pilots for alignment. These tools are used for enlarging holes to precise tolerances, finishing internal diameters, and creating recesses for fastener heads. YANKEE tools are typically supplied with a neutral or standard finish, suitable for general-purpose machining of ferrous and non-ferrous materials. 3G Electric stocks over 2,700 SKUs of YANKEE reamers and counterbores, covering a wide range of sizes and configurations. The inventory includes both inch and metric dimensions, with diameters from 0.1775 inches to 0.5005 inches and metric sizes such as 6 mm. Each tool is identified by a manufacturer part number (e.g., 436-6.0MM, 335-#3) for precise specification matching. 3G Electric supports global procurement with logistics for industrial buyers, providing access to these tools without minimum order constraints. The YANKEE line is suited for maintenance, repair, and production environments where dimensional accuracy and tool durability are required. Engineers and procurement specialists can select tools based on flute type, shank design, and cutting direction to match specific machining operations.

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About YANKEE

YANKEE is a brand of precision cutting tools, primarily known for its reamers and counterbores used in metalworking and machining applications. The product line includes chucking reamers, hand reamers, and counterbores with built-in pilots, all manufactured from high-speed steel (HSS). Chucking reamers are available in straight-flute and spiral-flute configurations, with diameters ranging from fractional inches to metric sizes, and shank types including Morse Taper (MT1) and straight shanks. Hand reamers feature spiral flutes with left-hand or right-hand cutting directions. Counterbores are designed for specific screw sizes, with built-in pilots for alignment. These tools are used for enlarging holes to precise tolerances, finishing internal diameters, and creating recesses for fastener heads. YANKEE tools are typically supplied with a neutral or standard finish, suitable for general-purpose machining of ferrous and non-ferrous materials. 3G Electric stocks over 2,700 SKUs of YANKEE reamers and counterbores, covering a wide range of sizes and configurations. The inventory includes both inch and metric dimensions, with diameters from 0.1775 inches to 0.5005 inches and metric sizes such as 6 mm. Each tool is identified by a manufacturer part number (e.g., 436-6.0MM, 335-#3) for precise specification matching. 3G Electric supports global procurement with logistics for industrial buyers, providing access to these tools without minimum order constraints. The YANKEE line is suited for maintenance, repair, and production environments where dimensional accuracy and tool durability are required. Engineers and procurement specialists can select tools based on flute type, shank design, and cutting direction to match specific machining operations.

Common Applications

  • General machining — YANKEE straight-flute chucking reamers for finishing holes in steel and aluminum parts.
  • Tool and die making — YANKEE spiral-flute hand reamers for precise sizing of die cavities and bushings.
  • Maintenance repair — YANKEE counterbores with built-in pilots for creating recesses for screw heads in equipment housings.
  • Automotive manufacturing — YANKEE chucking reamers with MT1 shanks for reaming engine block bolt holes.
  • Aerospace component production — YANKEE left-hand spiral-flute reamers for finishing holes in titanium alloys.
  • Metal fabrication — YANKEE straight-flute reamers for enlarging pilot holes in structural steel assemblies.

Frequently asked questions

Common questions about YANKEE from 3G Electric.

What types of reamers does YANKEE offer?

YANKEE offers chucking reamers and hand reamers. Chucking reamers are available in straight-flute and spiral-flute designs, with diameters from 0.1775 inches to 0.5005 inches and metric sizes like 6 mm. They feature Morse Taper (MT1) or straight shanks. Hand reamers have spiral flutes with left-hand or right-hand cutting directions, in sizes such as 7/32 inch. All are made from high-speed steel (HSS) for durability in metalworking.

What is the difference between YANKEE straight-flute and spiral-flute reamers?

Straight-flute reamers from YANKEE are designed for general-purpose reaming, providing a neutral cutting action suitable for through holes and blind holes in ferrous and non-ferrous materials. Spiral-flute reamers have helical flutes that improve chip evacuation and reduce cutting forces, making them ideal for interrupted cuts or materials that produce stringy chips. Both types are available in HSS and come in various diameters.

Does YANKEE produce counterbores with built-in pilots?

Yes, YANKEE manufactures counterbores with built-in pilots, such as model 301-#4 for #4 screws. These tools have a bore diameter of 13/64 inch and a pilot diameter of 0.112 inch. The built-in pilot aligns the counterbore with an existing hole, ensuring concentric recesses for fastener heads. They are made from HSS and are suitable for standard machining operations.

What shank types are available for YANKEE chucking reamers?

YANKEE chucking reamers are available with Morse Taper shanks, such as MT1, and straight shanks. The Morse Taper shank allows for direct mounting in machine spindles with matching tapers, while straight shanks are used in drill chucks or collets. The shank type is specified in the product details, e.g., MT1 for model 436-6.0MM.

Are YANKEE reamers available in metric sizes?

Yes, YANKEE reamers are available in metric sizes. For example, the chucking reamer model 436-6.0MM has a 6 mm diameter. The product line includes both fractional inch and metric diameters, allowing selection based on specific dimensional requirements. Metric sizes are identified in the manufacturer part number.

Does 3G Electric supply YANKEE products?

Yes — 3G Electric (S) Pte. Ltd. supplies YANKEE products. We stock the YANKEE catalog and supply genuine factory-original products with full manufacturer warranty and technical support.