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YANKEE Counterbore with Built-In Pilot: For #4 Screw, 13/64 in Bore Dia - Built-in-Pilot Counterbores
YANKEEBuilt-in-Pilot Counterbores

YANKEE Counterbore with Built-In Pilot: For #4 Screw, 13/64 in Bore Dia

The YANKEE Counterbore with Built-In Pilot, model 301-#4, is a standard built-in-pilot counterbore designed for #4 screws. It features a 13/64 in bore diameter and a 0.112 in pilot diameter, providing precise…

SKU 3G-OTH-202216

Brand
YANKEE
Item
Counterbore with Built-In Pilot: For #4 Screw, 13/64 in Bore Dia
Category
Built-in-Pilot Counterbores
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Technical Specifications

YANKEE
Manufacturer Part Number
301-#4
Bore Dia
13/64 in
Pilot Dia
0.112 in
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YANKEE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The YANKEE Counterbore with Built-In Pilot, model 301-#4, is a standard built-in-pilot counterbore designed for #4 screws. It features a 13/64 in bore diameter and a 0.112 in pilot diameter, providing precise countersinking for screw heads.

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 #4 screw heads in wood or metal. Its built-in pilot aligns the bore precisely, ensuring screw heads sit flush or below the surface. Common in cabinetry, jig building, and general assembly where a clean, countersunk finish is required.

What are the specifications of the YANKEE 301-#4 counterbore?

The YANKEE 301-#4 counterbore has a 13/64 in bore diameter and a 0.112 in pilot diameter, designed specifically for #4 screws. It is a standard built-in-pilot type, manufactured by YANKEE. The part number is 301-#4. These dimensions ensure accurate countersinking without separate pilot bits.

Where to buy the YANKEE 301-#4 counterbore worldwide?

3G Electric supplies the YANKEE 301-#4 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 project. We provide reliable procurement and shipping to any country.

How to select the correct YANKEE counterbore for #4 screws?

To select the correct YANKEE counterbore, match the pilot diameter to the screw's body diameter (0.112 in for #4 screws) and the bore diameter to the screw head size (13/64 in). The built-in pilot eliminates separate alignment steps. Always verify the screw size and desired countersink depth before ordering the 301-#4 model.

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 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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