YANKEE Counterbore with Built-In Pilot: For 7/8" Screw, 1 in Bore Dia
The YANKEE Counterbore with Built-In Pilot (MPN 301-7/8) is a standard built-in-pilot counterbore designed for 7/8" screws. It features a 1-inch bore diameter and a 1-inch pilot diameter, as specified by the…
SKU 3G-OTH-202253
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Product Description
The YANKEE Counterbore with Built-In Pilot (MPN 301-7/8) is a standard built-in-pilot counterbore designed for 7/8" screws. It features a 1-inch bore diameter and a 1-inch pilot diameter, as specified by the manufacturer.
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 the YANKEE Counterbore with Built-In Pilot used for?
The YANKEE Counterbore with Built-In Pilot (MPN 301-7/8) is used to create a flat-bottomed recess for a 7/8" screw head in metal or wood. The built-in pilot aligns the bore with an existing hole, ensuring concentricity. It is commonly applied in machining, tooling, and assembly operations where precise countersinking is required.
What are the specifications of the YANKEE Counterbore 301-7/8?
The YANKEE Counterbore 301-7/8 is a standard built-in-pilot counterbore designed for 7/8" screws. It has a 1-inch bore diameter and a 1-inch pilot diameter. The manufacturer part number is 301-7/8. This tool is suitable for general-purpose countersinking in industrial applications.
Where to buy the YANKEE Counterbore 301-7/8 worldwide?
You can source the YANKEE Counterbore 301-7/8 worldwide through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine YANKEE tooling to customers globally.
How to select the correct YANKEE Counterbore for a 7/8" screw?
To select the correct YANKEE Counterbore for a 7/8" screw, ensure the bore diameter matches the screw head size and the pilot diameter fits the existing hole. The YANKEE 301-7/8 features a 1-inch bore and 1-inch pilot, designed specifically for 7/8" screws. Always verify the screw head profile and material before ordering.
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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.














