Scientific Cutting Tools AND10050-4R Porting Tool Reamer

Product Description

The SCIENTIFIC CUTTING TOOLS AND10050-4R is a porting tool reamer designed to machine precise spotface seats and pilot bores for AN-style tube fittings in hydraulic, pneumatic, and fluid system applications. Built to AND 10050 standards, the AND10050-4R features a 0.888-inch spotface diameter, a 30-degree seal angle, and four straight flutes for controlled material removal. With a 1/2-inch shank diameter and an overall length of 3.12 inches, this tool is sized for use in standard machining setups. It is intended for installation by machinists and maintenance technicians working on tube port preparation in aerospace-adjacent and industrial fluid systems.

This reamer is designed for use on tube dash 4 fittings, which correspond to a 1/4-inch tube outside diameter. It machines workpiece ports to accept AN-style tube connections with a 30-degree seal angle seat. The tool is well suited to maintenance, repair, and overhaul environments where port seat integrity is critical to leak-free tube fitting performance. Typical applications include porting aluminum, steel, or similar machinable materials where a clean, dimensionally accurate spotface is required before tube fitting installation.

Key Features

• AND 10050 standard compliance for AN-style tube porting applications
• 0.888-inch spotface diameter with 30-degree seal angle for precise seat geometry
• Four straight flutes for smooth, controlled cutting action
• Minimum pilot diameter of 0.386 inches and maximum pilot diameter of 0.4565 inches for accurate bore alignment
• Bright/uncoated finish - no coating buildup affecting dimensional tolerances
• 1/2-inch shank diameter compatible with standard drill press and milling machine chucks

Compatibility

Designed for use with tube dash 4 fittings with a 1/4-inch tube outside diameter, machined to AND 10050 standard port geometry.

Installation Notes

This tool is installed and operated by machinists or qualified maintenance technicians using a drill press, milling machine, or appropriate rotary spindle setup. Secure the workpiece firmly before operation and verify spindle speed is appropriate for the workpiece material. Ensure the pilot is fully seated in the existing bore before engaging the spotface cutter to prevent seat runout. Always follow applicable shop safety procedures and system-specific fluid line service guidelines when working on pressurized tube fitting ports.