Cleveland
Cleveland 46443 Port Tool 5.375in L 0.750in dia Bright
A high-speed steel counterbore with a 0.750 in diameter and 5.375 in length for interchangeable pilot use
- Counterbore design enables interchangeable pilot use
- High-speed steel construction provides durable cutting performance
- 375in overall length suits standard porting applications
- 750in diameter matches common port specifications
- Bright finish resists corrosion during operation
Cleveland 46443 Port Tool Overview
The Cleveland 46443 is a high-speed steel port tool designed for counterboring operations that require an interchangeable pilot. It suits machinists and maintenance technicians who need precise hole preparation in metalworking applications. The bright finish indicates an uncoated surface suitable for general-purpose use.
Upgrade From Worn Or Fixed-Pilot Tools
This tool replaces fixed-pilot counterbores or worn high-speed steel cutters that no longer hold tolerance. The interchangeable pilot design allows quick pilot changes for different hole sizes without replacing the entire cutter body. The jump is worth it when a shop runs multiple pilot diameters and wants to reduce tool inventory and changeover time.
Installation And Common Issues
The tool installs directly into a standard tool holder or drill press chuck using its .750 inch diameter shank. Secure the interchangeable pilot before each use to prevent misalignment during cutting. Common issues include pilot seating errors that cause off-center counterbores and excessive wear if cutting speeds exceed high-speed steel limits for the workpiece material.
Highlights
- Counterbore design enables interchangeable pilot use
- High-speed steel construction provides durable cutting performance
- 375in overall length suits standard porting applications
- 750in diameter matches common port specifications
- Bright finish resists corrosion during operation
Specifications
| Brand | CLEVELAND |
|---|
Questions about this item
What shank diameter does the Cleveland 46443 port tool need for a secure fit?
The tool has a 0.750 in. diameter shank, so it requires a matching three-jaw chuck or collet that grips a 3/4 in. round shank without slipping.
How is the interchangeable pilot installed, and what step is often missed?
Insert the pilot into the counterbore and tighten the set screw until it seats firmly on the pilot's flat; the missed step is verifying the pilot sits flush before locking it down.
When will the high-speed steel cutting edges need attention?
Resharpen or replace the tool when the counterbore leaves a rough finish or requires noticeably more feed pressure in the material you are machining.
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