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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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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.

Frequently Asked Questions

What is the YANKEE Counterbore with Built-In Pilot used for?

The YANKEE Counterbore with Built-In Pilot is used for precise counterboring operations in industrial applications. It creates a flat-bottomed recess for #4 screw heads, ensuring flush assembly in metal or wood. The built-in pilot aligns the tool for accurate depth and concentricity, making it ideal for machining, tooling, and maintenance tasks.

What are the specifications of the YANKEE Counterbore 303-#4?

The YANKEE Counterbore 303-#4 is an oversized built-in-pilot counterbore for #4 screws. It has a 1/32" oversized bore with a 13/64-inch bore diameter. The manufacturer part number is 303-#4, and it is designed for industrial counterboring where precise recess dimensions are required.

Where to buy the YANKEE Counterbore 303-#4 worldwide?

You can source the YANKEE Counterbore 303-#4 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply this YANKEE-branded tool for industrial counterboring needs.

How to select the correct YANKEE Counterbore for #4 screws?

To select the correct YANKEE Counterbore for #4 screws, match the screw size and desired fit. The 303-#4 model is oversized by 1/32" with a 13/64-inch bore diameter, providing clearance for screw heads. For standard fit, choose a non-oversized version. Always verify the bore diameter against your screw head dimensions for proper seating.

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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