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YANKEE Counterbore with Built-In Pilot: For 5/8" Screw, 1/32" Oversized - Oversized Built-in-Pilot Counterbores
YANKEEOversized Built-in-Pilot Counterbores

YANKEE Counterbore with Built-In Pilot: For 5/8" Screw, 1/32" Oversized

The YANKEE Counterbore with Built-In Pilot (MPN 303-5/8) is an oversized built-in-pilot counterbore designed for 5/8" screws. It features a 1/32" oversized design and a 5/8" bore diameter. This YANKEE tool is…

SKU 3G-OTH-184291

Brand
YANKEE
Item
Counterbore with Built-In Pilot: For 5/8" Screw, 1/32" Oversized
Category
Oversized Built-in-Pilot Counterbores
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Technical Specifications

YANKEE
Manufacturer Part Number
303-5/8
Bore Dia
5/8 in
Oversized
1/32"
Counterbore Type
Oversized
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YANKEE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The YANKEE Counterbore with Built-In Pilot (MPN 303-5/8) is an oversized built-in-pilot counterbore designed for 5/8" screws. It features a 1/32" oversized design and a 5/8" bore diameter. This YANKEE tool is intended for counterboring operations requiring a built-in pilot.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

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

The YANKEE Counterbore with Built-In Pilot (MPN 303-5/8) is used to create a flat-bottomed recess for a 5/8" screw head in metal or wood. The built-in pilot aligns the tool with an existing hole, while the 1/32" oversized design provides clearance for the screw head.

What are the specifications of the YANKEE 303-5/8 counterbore?

The YANKEE 303-5/8 counterbore has a 5/8" bore diameter and is 1/32" oversized for 5/8" screws. It is an oversized built-in-pilot counterbore, designed for counterboring operations requiring precise alignment. The manufacturer part number is 303-5/8.

Where to buy a YANKEE 303-5/8 counterbore worldwide?

3G Electric supplies the YANKEE 303-5/8 counterbore worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this YANKEE tool.

How to select the correct YANKEE counterbore size?

To select the correct YANKEE counterbore, match the bore diameter to your screw head size. For a 5/8" screw, use the 303-5/8 with a 5/8" bore. The 1/32" oversized version provides extra clearance for screw head seating. Always verify the pilot diameter matches your pre-drilled hole.

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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