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CLEVELAND Countersink: 90°, 6 Flute, 1 in Body Dia - Smooth-Finish Six-Flute Countersinks
CLEVELANDSmooth-Finish Six-Flute Countersinks

CLEVELAND Countersink: 90°, 6 Flute, 1 in Body Dia

SKU 3G-OTH-188010

Brand
CLEVELAND
Item
Countersink: 90°, 6 Flute, 1 in Body Dia
Category
Smooth-Finish Six-Flute Countersinks
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Technical Specifications

CLEVELAND
Manufacturer Part Number
C46391
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CLEVELAND Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is a CLEVELAND 90° countersink used for?

A CLEVELAND 90° countersink creates a conical recess for flat-head screws or deburrs holes in metal, plastic, or wood. Its six-flute carbide design delivers a smooth finish and long tool life in machining, fabrication, and maintenance applications across industrial departments.

What are the specifications of the CLEVELAND C46391 countersink?

The CLEVELAND C46391 is a 90° countersink with six flutes, a 1-inch body diameter, and carbide construction. It is designed for smooth-finish countersinking and deburring. The manufacturer part number is C46391, and it is made by CLEVELAND.

Where to buy a CLEVELAND C46391 countersink worldwide?

3G Electric supplies the CLEVELAND C46391 countersink worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to source this carbide six-flute countersink for your machining or maintenance needs.

How to select the right countersink for a 90° flat-head screw?

Match the countersink angle exactly to the screw head angle—90° for standard flat-head screws. Choose a body diameter slightly larger than the screw head. For hard materials like stainless steel, use a carbide countersink like the CLEVELAND C46391 for durability and a smooth finish.

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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