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YANKEE Oversized Built-in-Pilot Counterbore 303-1/4 - Oversized Built-in-Pilot Counterbores
YANKEEOversized Built-in-Pilot Counterbores

YANKEE Oversized Built-in-Pilot Counterbore 303-1/4

The YANKEE Counterbore with Built-In Pilot is an oversized built-in-pilot counterbore designed for use with a 1/4" screw. It features a 1/32" oversized design and a 1/4" bore diameter, identified by manufacturer part…

SKU 3G-OTH-184260

Also listed as: 30314 · 303 1 4 · 303-1-4

Brand
YANKEE
Item
Oversized Built-in-Pilot Counterbore 303-1/4
Part Number
303-1/4
Category
Oversized Built-in-Pilot Counterbores
Available to Order
Also known as:303-1/4YANKEE
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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
303-1/4
Bore Dia
1/4 in

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

Product Description

The YANKEE Counterbore with Built-In Pilot is an oversized built-in-pilot counterbore designed for use with a 1/4" screw. It features a 1/32" oversized design and a 1/4" bore diameter, identified by manufacturer part number 303-1/4.

Frequently Asked Questions

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

The YANKEE Counterbore with Built-In Pilot is used to create a flat-bottomed recess for a 1/4" screw head, allowing the screw to sit flush with or below the workpiece surface. It is commonly applied in woodworking, metalworking, and general fabrication where precise countersinking is required.

What are the specifications of the YANKEE Counterbore 303-1/4?

The YANKEE Counterbore 303-1/4 is an oversized built-in-pilot counterbore for a 1/4" screw. It has a 1/32" oversized design and a 1/4" bore diameter. The manufacturer part number is 303-1/4, and the brand is YANKEE. It is designed for use with a 1/4" screw.

Where to buy the YANKEE Counterbore 303-1/4 worldwide?

You can source the YANKEE Counterbore 303-1/4 worldwide through 3G Electric, a global industrial equipment distributor. 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact them for availability and lead time on this item.

How to select the correct YANKEE Counterbore with Built-In Pilot?

To select the correct YANKEE Counterbore, match the bore diameter to your screw size. For a 1/4" screw, use the 303-1/4 model with a 1/4" bore. The 1/32" oversized design provides clearance for the screw head. Ensure the pilot fits your drill or tooling setup for proper alignment.

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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