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CLEVELAND Aircraft Length Counterbore with Interchangeable Pilot: 3/8 in Bore Dia - Aircraft-Length Interchangeable-Pilot Counterbores
CLEVELANDAircraft-Length Interchangeable-Pilot Counterbores

CLEVELAND Aircraft Length Counterbore with Interchangeable Pilot: 3/8 in Bore Dia

The CLEVELAND Aircraft Length Counterbore with Interchangeable Pilot (MPN C46890) is a standard aircraft-length interchangeable-pilot counterbore made from high-speed steel. It features a 3/8 in bore diameter and…

SKU 3G-OTH-195318

Brand
CLEVELAND
Item
Aircraft Length Counterbore with Interchangeable Pilot: 3/8 in Bore Dia
Category
Aircraft-Length Interchangeable-Pilot Counterbores
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Technical Specifications

CLEVELAND
Manufacturer Part Number
C46890
Type
High Speed Steel
Pilot
3/8 in Bore Dia
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CLEVELAND Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CLEVELAND Aircraft Length Counterbore with Interchangeable Pilot (MPN C46890) is a standard aircraft-length interchangeable-pilot counterbore made from high-speed steel. It features a 3/8 in bore diameter and accommodates pilot sizes from 3/16 in to 5/16 in.

Frequently Asked Questions

What is the CLEVELAND Aircraft Length Counterbore with Interchangeable Pilot used for?

This counterbore is used in aerospace and precision machining to create flat-bottomed recesses for bolt heads or nuts. Its interchangeable pilot system ensures accurate alignment with existing holes, making it essential for aircraft assembly and maintenance where tight tolerances are required.

What are the specifications of the CLEVELAND C46890 counterbore?

The CLEVELAND C46890 is a standard aircraft-length counterbore made from high-speed steel. It has a 3/8 in bore diameter and accepts interchangeable pilots ranging from 3/16 in to 5/16 in. The MPN is C46890, and it is designed for use with CLEVELAND pilots.

Where to buy the CLEVELAND C46890 counterbore worldwide?

You can source the CLEVELAND C46890 counterbore 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.

How to select the correct pilot for the CLEVELAND C46890 counterbore?

Select a CLEVELAND interchangeable pilot that matches the pre-drilled hole diameter within the 3/16 in to 5/16 in range. The pilot guides the counterbore for concentric alignment. Always verify pilot shank compatibility with the C46890 tool before use to ensure accurate countersinking.

Used in

Common applications for CLEVELAND
Aerospace manufacturing — CLEVELAND NAS-spec aircraft extension drills for drilling fastener holes in aluminum airframe panels.
Bridge construction — CLEVELAND Morse-taper shank bridge reamers for enlarging bolt holes in structural steel.
Automotive production — CLEVELAND chucking reamers for precision finishing of engine component bores.
General metalworking — CLEVELAND single-flute countersinks for deburring holes in mild steel parts.
Tool and die making — CLEVELAND interchangeable-pilot counterbores for creating recesses for socket head cap screws.
Maintenance repair — CLEVELAND cobalt aircraft extension drills for drilling hardened steel in equipment repairs.

CLEVELAND Products

3G Electric supplies CLEVELAND aircraft-length interchangeable-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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