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YANKEE Counterbore with Built-In Pilot: For 1/4" Screw, 1/64" Oversized - Oversized Built-in-Pilot Counterbores
YANKEEOversized Built-in-Pilot Counterbores

YANKEE Counterbore with Built-In Pilot: For 1/4" Screw, 1/64" Oversized

The YANKEE Counterbore with Built-In Pilot (MPN 302-1/4) is an oversized built-in-pilot counterbore designed for 1/4" screws. It features a 1/64" oversized bore diameter of 17/64 inches. This tool is manufactured by…

SKU 3G-OTH-184261

Brand
YANKEE
Item
Counterbore with Built-In Pilot: For 1/4" Screw, 1/64" Oversized
Category
Oversized Built-in-Pilot Counterbores
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Technical Specifications

YANKEE
Manufacturer Part Number
302-1/4
Bore Dia
17/64 in
Oversized
1/64"
Counterbore Type
Oversized
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YANKEE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The YANKEE Counterbore with Built-In Pilot (MPN 302-1/4) is an oversized built-in-pilot counterbore designed for 1/4" screws. It features a 1/64" oversized bore diameter of 17/64 inches. This tool is manufactured by YANKEE for precision counterboring applications.

Frequently Asked Questions

What is a YANKEE oversized counterbore with built-in pilot used for?

This YANKEE counterbore (MPN 302-1/4) creates a flat-bottomed recess for a 1/4" screw head in metal or wood. The built-in pilot aligns the cut precisely, while the 1/64" oversized bore (17/64 in) provides clearance for the screw body. It is used in machining and assembly operations requiring accurate countersinking.

What are the specifications of the YANKEE 302-1/4 counterbore?

The YANKEE 302-1/4 is an oversized built-in-pilot counterbore for 1/4" screws. It has a 17/64 in bore diameter with a 1/64" oversize. The tool is manufactured by YANKEE and is designed for precision counterboring in industrial applications.

Where to buy a YANKEE counterbore with built-in pilot worldwide?

3G Electric supplies the YANKEE 302-1/4 counterbore with built-in pilot to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance for international orders. Contact us to source this tool for your machining needs.

How to select the correct oversized counterbore for a 1/4" screw?

For a 1/4" screw, choose a counterbore with a bore diameter slightly larger than the screw body. The YANKEE 302-1/4 offers a 17/64 in bore (1/64" oversized) to provide clearance. Ensure the built-in pilot matches the screw's pilot hole size for accurate alignment during counterboring.

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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