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YANKEE Oversized Built-in-Pilot Counterbore 302-1/4 - Oversized Built-in-Pilot Counterbores
YANKEEOversized Built-in-Pilot Counterbores

YANKEE Oversized Built-in-Pilot Counterbore 302-1/4

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

Also listed as: 30214 · 302 1 4 · 302-1-4

Brand
YANKEE
Item
Oversized Built-in-Pilot Counterbore 302-1/4
Part Number
302-1/4
Category
Oversized Built-in-Pilot Counterbores
Available to Order
Also known as:302-1/4YANKEE
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

YANKEE
Manufacturer Part Number
302-1/4
Bore Dia
17/64 in

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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
Metalworking — YANKEE spiral-flute chucking reamers for finishing holes in steel and aluminum components
Plumbing — YANKEE taper pipe reamers for deburring 3/8 inch and 1-1/2 inch cut pipe ends before threading
HVAC — YANKEE taper pipe reamers for preparing refrigerant and water pipe ends for fitting
Industrial piping — YANKEE taper pipe reamers for smoothing cut pipe interiors in maintenance operations
Machine shop — YANKEE straight-flute chucking reamers for precision hole finishing in ferrous and non-ferrous materials
Maintenance and repair — YANKEE chucking reamers in wire-gauge sizes for on-site hole resizing and repair
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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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