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YANKEE Counterbore with Built-In Pilot: For #4 Screw, 1/32" Oversized - Oversized Built-in-Pilot Counterbores
YANKEEOversized Built-in-Pilot Counterbores

YANKEE Counterbore with Built-In Pilot: For #4 Screw, 1/32" Oversized

The YANKEE Counterbore with Built-In Pilot, model 303-#4, is an oversized built-in-pilot counterbore designed for #4 screws. It features a 1/32" oversized bore with a 13/64-inch bore diameter. This YANKEE-branded…

SKU 3G-OTH-184231

Brand
YANKEE
Item
Counterbore with Built-In Pilot: For #4 Screw, 1/32" Oversized
Category
Oversized Built-in-Pilot Counterbores
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Technical Specifications

YANKEE
Manufacturer Part Number
303-#4
Bore Dia
13/64 in
Oversized
1/32"
Counterbore Type
Oversized
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Technical Documents

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

Product Description

The YANKEE Counterbore with Built-In Pilot, model 303-#4, is an oversized built-in-pilot counterbore designed for #4 screws. It features a 1/32" oversized bore with a 13/64-inch bore diameter. This YANKEE-branded tool is intended for industrial applications requiring precise counterboring operations.

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 oversized built-in-pilot counterbores. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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