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CLEVELAND C46390 Smooth-Finish Six-Flute Countersink - Smooth-Finish Six-Flute Countersinks
CLEVELANDSmooth-Finish Six-Flute Countersinks

CLEVELAND C46390 Smooth-Finish Six-Flute Countersink

CLEVELAND Smooth-Finish Six-Flute Countersinks.

SKU 3G-OTH-188370

Also listed as: C 46390 · C-46390

Brand
CLEVELAND
Item
C46390 Smooth-Finish Six-Flute Countersink
Category
Smooth-Finish Six-Flute Countersinks
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CLEVELAND
Manufacturer Part Number
C46390

Technical Documents

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

Product Description

CLEVELAND Smooth-Finish Six-Flute Countersinks.

Frequently Asked Questions

What is the CLEVELAND C46390 countersink used for?

The CLEVELAND C46390 is a 90°, 6-flute countersink used for creating smooth, chamfered holes in metal and composite materials. It is ideal for deburring and countersinking operations in industrial manufacturing, aerospace, and automotive applications where a clean finish is required.

What are the specifications of the CLEVELAND C46390 countersink?

The CLEVELAND C46390 is a 90° countersink with 6 flutes and a 3/4 in body diameter. It is made from carbide for durability and precision. The manufacturer part number is C46390, and it is designed for smooth-finish applications in industrial settings.

Where to buy the CLEVELAND C46390 countersink worldwide?

You can source the CLEVELAND C46390 countersink through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this carbide countersink.

How to select the right CLEVELAND countersink for your application?

To select the right CLEVELAND countersink, match the angle (e.g., 90°) and body diameter (e.g., 3/4 in) to your fastener or hole requirements. For smooth finishes, choose a 6-flute design like the C46390. Ensure the material (carbide) suits your workpiece hardness for optimal tool life.

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 smooth-finish six-flute countersinks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
CLEVELAND Countersink: 90°, 6 Flute, 1/2 in Body Dia, Carbide (MPN C46388)
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CLEVELAND Countersink: 90°, 6 Flute, 1/2 in Body Dia, Carbide (MPN C46388)
CLEVELAND Countersink: 90°, 6 Flute, 5/8 in Body Dia, Carbide (MPN C46389)
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CLEVELAND Countersink: 90°, 6 Flute, 5/8 in Body Dia, Carbide (MPN C46389)
CLEVELAND Countersink: 90°, 6 Flute, 3/16 in Body Dia, 3/16 in Shank, Carbide (MPN C46385)
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CLEVELAND Countersink: 90°, 6 Flute, 3/16 in Body Dia, 3/16 in Shank, Carbide (MPN C46385)
CLEVELAND Countersink: 90°, 6 Flute, 1/8 in Body Dia, 1/8 in Shank, Carbide (MPN C46384)
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CLEVELAND Countersink: 90°, 6 Flute, 1/8 in Body Dia, 1/8 in Shank, Carbide (MPN C46384)
CLEVELAND Countersink: 60°, 6 Flute, 1/2 in Body Dia, Carbide (MPN C46372)
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CLEVELAND Countersink: 60°, 6 Flute, 1/2 in Body Dia, Carbide (MPN C46372)
CLEVELAND Countersink: 82°, 6 Flute, 1/2 in Body Dia, Carbide (MPN C46380)
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CLEVELAND Countersink: 82°, 6 Flute, 1/2 in Body Dia, Carbide (MPN C46380)

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This six-flute countersink features a 60° included angle and is constructed from carbide. It is designed for creating smooth, chamfered holes in metal and composite materials, commonly used in machining operations requiring a precise, burr-free finish
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This six-flute countersink features a 60° included angle and is constructed from carbide. It is designed for creating smooth, chamfered holes in metal and composite materials, commonly used in machining operations requiring a precise, burr-free finish
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