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YANKEE Oversized Built-in-Pilot Counterbore 7/8 in Bore Dia 1/64 Oversized - Oversized Built-in-Pilot Counterbores
YANKEEOversized Built-in-Pilot Counterbores

YANKEE Oversized Built-in-Pilot Counterbore 7/8 in Bore Dia 1/64 Oversized

The YANKEE Counterbore with Built-In Pilot (MPN 302-7/8) is an oversized built-in-pilot counterbore designed for 7/8" screws. It features a 7/8" bore diameter and is 1/64" oversized. This YANKEE-branded tool is…

SKU 3G-OTH-184298

Also listed as: 30278 · 302 7 8 · 302-7-8

Brand
YANKEE
Item
Oversized Built-in-Pilot Counterbore 7/8 in Bore Dia 1/64 Oversized
Category
Oversized Built-in-Pilot Counterbores
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

YANKEE
Manufacturer Part Number
302-7/8
Bore Dia
7/8 in
Oversized
1/64"
Counterbore Type
Oversized

Technical Documents

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

Product Description

The YANKEE Counterbore with Built-In Pilot (MPN 302-7/8) is an oversized built-in-pilot counterbore designed for 7/8" screws. It features a 7/8" bore diameter and is 1/64" oversized. This YANKEE-branded tool is intended for industrial applications requiring precise counterboring.

Frequently Asked Questions

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

The YANKEE Counterbore with Built-In Pilot (MPN 302-7/8) is used for creating precise recessed holes in industrial workpieces to accommodate 7/8" screw heads. Its built-in pilot ensures accurate alignment, making it suitable for metalworking, woodworking, and assembly applications where consistent counterbore depth and concentricity are required.

What are the specifications of the YANKEE 302-7/8 counterbore?

The YANKEE 302-7/8 is an oversized built-in-pilot counterbore with a 7/8" bore diameter and 1/64" oversize. It is designed for 7/8" screws and manufactured by YANKEE. The tool is intended for industrial counterboring tasks requiring precise fit and alignment.

Where to buy the YANKEE 302-7/8 counterbore worldwide?

3G Electric supplies the YANKEE 302-7/8 counterbore worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this YANKEE tool for your operations.

How to select the correct YANKEE counterbore for 7/8" screws?

To select the correct YANKEE counterbore, match the bore diameter to your screw head size. The 302-7/8 model features a 7/8" bore and is 1/64" oversized for clearance. Ensure the built-in pilot matches the screw's pilot hole diameter. For precise applications, verify the tool's oversize specification against your tolerance requirements.

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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