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YANKEE Hand Reamer: 1/4 in, Spiral Flute, LH - Left-Hand Spiral-Flute Hand Reamers
YANKEELeft-Hand Spiral-Flute Hand Reamers

YANKEE Hand Reamer: 1/4 in, Spiral Flute, LH

The YANKEE Hand Reamer (MPN 403-1/4) is a left-hand spiral-flute hand reamer made from high speed steel, with a 1/4 in size. This YANKEE-branded tool features a left-hand spiral flute design.

SKU 3G-OTH-208981

Also listed as: 40314 · 403 1 4 · 403-1-4

Brand
YANKEE
Item
Hand Reamer: 1/4 in, Spiral Flute, LH
Category
Left-Hand Spiral-Flute Hand Reamers
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

YANKEE
Manufacturer Part Number
403-1/4

Technical Documents

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YANKEE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The YANKEE Hand Reamer (MPN 403-1/4) is a left-hand spiral-flute hand reamer made from high speed steel, with a 1/4 in size. This YANKEE-branded tool features a left-hand spiral flute design.

Frequently Asked Questions

What is the YANKEE Hand Reamer 403-1/4 used for?

The YANKEE Hand Reamer 403-1/4 is used for manually enlarging or finishing holes to a precise diameter. Its left-hand spiral flute design is ideal for through-hole reaming in ferrous and non-ferrous metals, providing smooth chip evacuation and a superior surface finish.

What are the specifications of the YANKEE Hand Reamer 403-1/4?

The YANKEE Hand Reamer (MPN 403-1/4) is a 1/4 in left-hand spiral-flute hand reamer made from high speed steel. It is designed for left-hand rotation and is suitable for manual reaming operations in industrial maintenance and metalworking applications.

Where to buy the YANKEE Hand Reamer 403-1/4 worldwide?

You can source the YANKEE Hand Reamer 403-1/4 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the tool reaches your facility reliably.

How to select the correct YANKEE Hand Reamer size?

To select the correct YANKEE Hand Reamer, match the reamer diameter to the desired finished hole size. For the 403-1/4 model, the 1/4 in size is suitable for reaming holes to a 0.2500 inch diameter. Always verify the flute direction (left-hand) matches your application's rotation.

Used in

Common applications for YANKEE
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.

YANKEE Products

3G Electric supplies YANKEE left-hand spiral-flute hand reamers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
YANKEE Hand Reamer: 1 1/4 in, Spiral Flute, LH, High Speed Steel (MPN 403-1-1/4)
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YANKEE Hand Reamer: 1 1/4 in, Spiral Flute, LH, High Speed Steel (MPN 403-1-1/4)
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YANKEE Hand Reamer: 1/8 in, Spiral Flute, LH, High Speed Steel (MPN 403-1/8)
YANKEE Hand Reamer: 1 1/8 in, Spiral Flute, LH, High Speed Steel (MPN 403-1-1/8)
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YANKEE Hand Reamer: 1 1/8 in, Spiral Flute, LH, High Speed Steel (MPN 403-1-1/8)
YANKEE Hand Reamer: 3/4 in, Spiral Flute, LH, High Speed Steel (MPN 403-3/4)
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