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YANKEE Counterbore with Built-In Pilot: For 1/2" Screw, 1/64" Oversized - Oversized Built-in-Pilot Counterbores
YANKEEOversized Built-in-Pilot Counterbores

YANKEE Counterbore with Built-In Pilot: For 1/2" Screw, 1/64" Oversized

The YANKEE Counterbore with Built-In Pilot is an oversized built-in-pilot counterbore designed for 1/2" screws. It features a 1/64" oversized design and a 1/2" bore diameter, identified by manufacturer part number…

SKU 3G-OTH-184285

Brand
YANKEE
Item
Counterbore with Built-In Pilot: For 1/2" Screw, 1/64" Oversized
Category
Oversized Built-in-Pilot Counterbores
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Technical Specifications

YANKEE
Manufacturer Part Number
302-1/2
Bore Dia
1/2 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 is an oversized built-in-pilot counterbore designed for 1/2" screws. It features a 1/64" oversized design and a 1/2" bore diameter, identified by manufacturer part number 302-1/2.

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 1/2" screw heads in metal or wood. Its built-in pilot aligns the bore with an existing hole, making it ideal for precision assembly and countersinking applications in industrial manufacturing and maintenance.

What are the specifications of the YANKEE Counterbore 302-1/2?

The YANKEE Counterbore 302-1/2 is an oversized built-in-pilot type designed for 1/2" screws. It has a 1/64" oversized bore and a 1/2" bore diameter. The manufacturer part number is 302-1/2, and the brand is YANKEE. It is suitable for creating precise counterbores in various materials.

Where to buy the YANKEE Counterbore 302-1/2 worldwide?

You can source the YANKEE Counterbore 302-1/2 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine YANKEE tooling for international procurement needs.

How to select the correct YANKEE Counterbore for a 1/2" screw?

To select the correct YANKEE Counterbore, match the screw size to the counterbore's bore diameter. For a 1/2" screw, use the 302-1/2 model with a 1/2" bore and 1/64" oversized design. Ensure the built-in pilot fits the existing hole diameter. Always verify the manufacturer part number against your application 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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