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YANKEE Counterbore with Built-In Pilot: For M4 Screw, 1/64" Oversized - Oversized Built-in-Pilot Counterbores
YANKEEOversized Built-in-Pilot Counterbores

YANKEE Counterbore with Built-In Pilot: For M4 Screw, 1/64" Oversized

The YANKEE Counterbore with Built-In Pilot is an oversized built-in-pilot counterbore designed for M4 screws. It features a 1/64" oversized bore with a 5/32 in bore diameter, identified by manufacturer part number…

SKU 3G-OTH-184309

Brand
YANKEE
Item
Counterbore with Built-In Pilot: For M4 Screw, 1/64" Oversized
Category
Oversized Built-in-Pilot Counterbores
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Technical Specifications

YANKEE
Manufacturer Part Number
302-4MM
Bore Dia
5/32 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 M4 screws. It features a 1/64" oversized bore with a 5/32 in bore diameter, identified by manufacturer part number 302-4MM. This tool is engineered for precise counterboring operations in industrial applications.

Frequently Asked Questions

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

The YANKEE Counterbore with Built-In Pilot is used for creating precise recessed holes for M4 screw heads in industrial machining and assembly. Its built-in pilot ensures accurate alignment, making it suitable for metalworking, woodworking, and general manufacturing applications where flush or sub-flush screw seating is required.

What are the specifications of the YANKEE Counterbore 302-4MM?

The YANKEE Counterbore 302-4MM is an oversized type with a 5/32 in bore diameter and a 1/64" oversized allowance for M4 screws. It features a built-in pilot for guided operation. The manufacturer part number is 302-4MM, and it is designed for precision counterboring in industrial settings.

Where to buy the YANKEE Counterbore 302-4MM worldwide?

The YANKEE Counterbore 302-4MM is available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for sourcing and availability of this YANKEE tool.

How to select the correct YANKEE Counterbore for M4 screws?

To select the correct YANKEE Counterbore for M4 screws, match the screw size to the bore diameter and oversize allowance. The 302-4MM model features a 5/32 in bore with 1/64" oversize for M4 fasteners. Ensure the built-in pilot matches the pilot hole diameter for accurate alignment during counterboring operations.

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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