Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
CLEVELAND Counterbore For Interchangeable Pilot: 3/16 in Bore Dia - Interchangeable-Pilot Counterbores
CLEVELANDInterchangeable-Pilot Counterbores

CLEVELAND Counterbore For Interchangeable Pilot: 3/16 in Bore Dia

The CLEVELAND Counterbore For Interchangeable Pilot (MPN C46421) is a standard-type interchangeable-pilot counterbore with a 3/16 in bore diameter. It is designed for use with pilot diameters ranging from 1/8 in to…

SKU 3G-OTH-182406

Brand
CLEVELAND
Item
Counterbore For Interchangeable Pilot: 3/16 in Bore Dia
Category
Interchangeable-Pilot Counterbores
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

CLEVELAND
Manufacturer Part Number
C46421
Type
For 1/8 in to 3/16 in Pilot Dia
Counterbore Type
Standard
For Pilot Diameter
1/8 in to 3/16 in
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

CLEVELAND Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CLEVELAND Counterbore For Interchangeable Pilot (MPN C46421) is a standard-type interchangeable-pilot counterbore with a 3/16 in bore diameter. It is designed for use with pilot diameters ranging from 1/8 in to 3/16 in.

Frequently Asked Questions

What is the CLEVELAND C46421 counterbore used for?

The CLEVELAND C46421 counterbore is used to enlarge the top portion of a drilled hole to create a flat-bottomed recess for a bolt head or nut. It is designed for interchangeable pilots with diameters from 1/8 in to 3/16 in, ensuring precise alignment in machining operations.

What are the specifications of the CLEVELAND C46421 counterbore?

The CLEVELAND C46421 is a standard-type interchangeable-pilot counterbore with a 3/16 in bore diameter. It fits pilot diameters from 1/8 in to 3/16 in. The manufacturer part number is C46421, and it is designed for use with CLEVELAND interchangeable pilots.

Where to buy the CLEVELAND C46421 counterbore worldwide?

3G Electric supplies the CLEVELAND C46421 counterbore worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this standard interchangeable-pilot counterbore to your facility. Contact us for availability and lead time.

How to select the correct pilot for the CLEVELAND C46421 counterbore?

Select a CLEVELAND interchangeable pilot with a diameter between 1/8 in and 3/16 in to match the C46421 counterbore. The pilot must fit snugly into the existing hole to guide the counterbore accurately. Always verify pilot shank compatibility with your tool holder before use.

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 interchangeable-pilot counterbores. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
CLEVELAND Counterbore For Interchangeable Pilot: 1/4 in Bore Dia, For 1/8 in to 3/16 in Pilot Dia (MPN C46423). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 1/8 in to 3/16 in.
CLEVELAND
CLEVELAND Counterbore For Interchangeable Pilot: 1/4 in Bore Dia, For 1/8 in to 3/16 in Pilot Dia (MPN C46423). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 1/8 in to 3/16 in.
CLEVELAND Counterbore For Interchangeable Pilot: 1 1/16 in Bore Dia, For 3/8 in to 1 in Pilot Dia (MPN C46448). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 3/8 in to 1 in.
CLEVELAND
CLEVELAND Counterbore For Interchangeable Pilot: 1 1/16 in Bore Dia, For 3/8 in to 1 in Pilot Dia (MPN C46448). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 3/8 in to 1 in.
CLEVELAND Counterbore For Interchangeable Pilot: 5/16 in Bore Dia, For 1/8 in to 1/4 in Pilot Dia (MPN C46425). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 1/8 in to 1/4 in.
CLEVELAND
CLEVELAND Counterbore For Interchangeable Pilot: 5/16 in Bore Dia, For 1/8 in to 1/4 in Pilot Dia (MPN C46425). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 1/8 in to 1/4 in.
CLEVELAND Counterbore For Interchangeable Pilot: 5/8 in Bore Dia, For 1/4 in to 9/16 in Pilot Dia (MPN C46435). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 1/4 in to 9/16 in.
CLEVELAND
CLEVELAND Counterbore For Interchangeable Pilot: 5/8 in Bore Dia, For 1/4 in to 9/16 in Pilot Dia (MPN C46435). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 1/4 in to 9/16 in.
CLEVELAND Counterbore For Interchangeable Pilot: 7/16 in Bore Dia, For 3/16 in to 3/8 in Pilot Dia (MPN C46429). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 3/16 in to 3/8 in.
CLEVELAND
CLEVELAND Counterbore For Interchangeable Pilot: 7/16 in Bore Dia, For 3/16 in to 3/8 in Pilot Dia (MPN C46429). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 3/16 in to 3/8 in.
CLEVELAND Counterbore For Interchangeable Pilot: 3/8 in Bore Dia, For 3/16 in to 5/16 in Pilot Dia (MPN C46427). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 3/16 in to 5/16 in.
CLEVELAND
CLEVELAND Counterbore For Interchangeable Pilot: 3/8 in Bore Dia, For 3/16 in to 5/16 in Pilot Dia (MPN C46427). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 3/16 in to 5/16 in.

More from CLEVELAND

View all CLEVELAND parts →
CLEVELAND Counterbore For Interchangeable Pilot: 7/32 in Bore Dia, For 1/8 in to 7/32 in Pilot Dia (MPN C46422). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 1/8 in to 7/32 in.
CLEVELAND
CLEVELAND Counterbore For Interchangeable Pilot: 7/32 in Bore Dia, For 1/8 in to 7/32 in Pilot Dia (MPN C46422). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 1/8 in to 7/32 in.
CLEVELAND Counterbore For Interchangeable Pilot: 15/32 in Bore Dia, For 1/4 in to 13/32 in Pilot Dia (MPN C46430). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 1/4 in to 13/32 in.
CLEVELAND
CLEVELAND Counterbore For Interchangeable Pilot: 15/32 in Bore Dia, For 1/4 in to 13/32 in Pilot Dia (MPN C46430). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 1/4 in to 13/32 in.
CLEVELAND Counterbore For Interchangeable Pilot: 15/16 in Bore Dia, For 5/16 in to 7/8 in Pilot Dia (MPN C46445). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 5/16 in to 7/8 in.
CLEVELAND
CLEVELAND Counterbore For Interchangeable Pilot: 15/16 in Bore Dia, For 5/16 in to 7/8 in Pilot Dia (MPN C46445). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 5/16 in to 7/8 in.
CLEVELAND Counterbore For Interchangeable Pilot: 1/2 in Bore Dia, For 1/4 in to 7/16 in Pilot Dia (MPN C46431). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 1/4 in to 7/16 in.
CLEVELAND
CLEVELAND Counterbore For Interchangeable Pilot: 1/2 in Bore Dia, For 1/4 in to 7/16 in Pilot Dia (MPN C46431). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 1/4 in to 7/16 in.
CLEVELAND Counterbore For Interchangeable Pilot: 11/16 in Bore Dia, For 1/4 in to 5/8 in Pilot Dia (MPN C46437). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 1/4 in to 5/8 in.
CLEVELAND
CLEVELAND Counterbore For Interchangeable Pilot: 11/16 in Bore Dia, For 1/4 in to 5/8 in Pilot Dia (MPN C46437). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 1/4 in to 5/8 in.
CLEVELAND Counterbore For Interchangeable Pilot: 17/32 in Bore Dia, For 1/4 in to 15/32 in Pilot Dia (MPN C46432). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 1/4 in to 15/32 in.
CLEVELAND
CLEVELAND Counterbore For Interchangeable Pilot: 17/32 in Bore Dia, For 1/4 in to 15/32 in Pilot Dia (MPN C46432). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 1/4 in to 15/32 in.
CLEVELAND Counterbore For Interchangeable Pilot: 13/32 in Bore Dia, High Speed Steel (MPN C46428). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 3/16 in to 11/32 in.
CLEVELAND
CLEVELAND Counterbore For Interchangeable Pilot: 13/32 in Bore Dia, High Speed Steel (MPN C46428). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 3/16 in to 11/32 in.
CLEVELAND Counterbore For Interchangeable Pilot: 7/8 in Bore Dia, For 5/16 in to 13/16 in Pilot Dia (MPN C46443). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 5/16 in to 13/16 in.
CLEVELAND
CLEVELAND Counterbore For Interchangeable Pilot: 7/8 in Bore Dia, For 5/16 in to 13/16 in Pilot Dia (MPN C46443). Key specifications — Counterbore Type: Standard; Brand: CLEVELAND; For Pilot Diameter: 5/16 in to 13/16 in.