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YANKEE Taper Pin Reamer: For #6 Pin, 0.25 in x 0.354 in Dia - Spiral-Flute Taper Pin Reamers
YANKEESpiral-Flute Taper Pin Reamers

YANKEE Taper Pin Reamer: For #6 Pin, 0.25 in x 0.354 in Dia

YANKEE Spiral-Flute Taper Pin Reamers.

SKU 3G-OTH-203297

Also listed as: 4916 · 491 6

Brand
YANKEE
Item
Taper Pin Reamer: For #6 Pin, 0.25 in x 0.354 in Dia
Category
Spiral-Flute Taper Pin Reamers
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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
491-6

Technical Documents

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

Product Description

YANKEE Spiral-Flute Taper Pin Reamers.

Frequently Asked Questions

What is a YANKEE Taper Pin Reamer used for?

A YANKEE Taper Pin Reamer is used to precisely enlarge and finish tapered holes for #6 taper pins in metal assemblies. It creates a smooth, accurate taper that ensures a tight mechanical fit, commonly applied in industrial maintenance, tooling, and machinery alignment where pin retention is critical.

What are the specifications of the YANKEE 491-6 Taper Pin Reamer?

The YANKEE 491-6 Taper Pin Reamer is designed for #6 taper pins, with a small-end diameter of 0.25 in and a large-end diameter of 0.354 in. It features a spiral flute geometry for efficient chip evacuation and a smooth cutting action. The manufacturer part number is 491-6.

Where to buy YANKEE Taper Pin Reamers worldwide?

3G Electric supplies YANKEE Taper Pin Reamers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the YANKEE 491-6 or other taper pin reamer sizes for your project.

How to select the correct YANKEE Taper Pin Reamer size?

Select a YANKEE Taper Pin Reamer by matching the reamer's pin number (e.g., #6) to the taper pin you intend to install. Verify the small-end and large-end diameters against your hole requirements. For the 491-6, the small end is 0.25 in and the large end is 0.354 in. Always use the correct size to ensure proper fit and alignment.

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 spiral-flute taper pin 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 Taper Pin Reamer: For #11 Pin, 0.706 in x 0.878 in Dia, Straight Flute (MPN 487-11)
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YANKEE Taper Pin Reamer: For #11 Pin, 0.706 in x 0.878 in Dia, Straight Flute (MPN 487-11)
YANKEE Counterbore with Built-In Pilot: For 3/4" Screw, 1/64" Oversized, 3/4 in Bore Dia (MPN 302-3/4)
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YANKEE Counterbore with Built-In Pilot: For 3/4" Screw, 1/64" Oversized, 3/4 in Bore Dia (MPN 302-3/4)
APPROVED VENDOR Split Taper Bushing: P1, 15 mm Bore Dia, 2.44 in Bolt Circle Dia, 3 in Overall Dia (MPN P1X15MM)
APPROVED VENDOR Split Taper Bushing: P1, 15 mm Bore Dia, 2.44 in Bolt Circle Dia, 3 in Overall Dia (MPN P1X15MM)
APPROVED VENDOR Split Taper Bushing: P1, 16 mm Bore Dia, 2.44 in Bolt Circle Dia, 3 in Overall Dia (MPN P1X16MM)
APPROVED VENDOR Split Taper Bushing: P1, 16 mm Bore Dia, 2.44 in Bolt Circle Dia, 3 in Overall Dia (MPN P1X16MM)
APPROVED VENDOR Split Taper Bushing: P1, 35 mm Bore Dia, 2.44 in Bolt Circle Dia, 3 in Overall Dia (MPN P1X35MM)
APPROVED VENDOR Split Taper Bushing: P1, 35 mm Bore Dia, 2.44 in Bolt Circle Dia, 3 in Overall Dia (MPN P1X35MM)
APPROVED VENDOR Split Taper Bushing: P2, 15/16 in Bore Dia, 2.44 in Bolt Circle Dia, Inch (MPN P2X15/16)
APPROVED VENDOR Split Taper Bushing: P2, 15/16 in Bore Dia, 2.44 in Bolt Circle Dia, Inch (MPN P2X15/16)

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