Fowler 52-575-125-0 Edge Finder Set 4 Piece

Product Description

The FOWLER 52-575-125-0 is a multi-piece edge finder set designed for locating workpiece edges and center points on milling machines, drill presses, and CNC machining centers. The set includes four attachments and accommodates both 3/8 inch and 1/2 inch shank diameters, giving machinists flexibility across different spindle configurations. The cylindrical contact head measures 0.5 inches in diameter and provides a repeatable, mechanical deflection signal when the spindle axis aligns with the workpiece edge. Accuracy is rated at 0.0002 inches, making this set suitable for precision setups in tool rooms, job shops, and production environments. A plastic storage sleeve is included for organized transport and protection between uses.

This edge finder set is used in manual and CNC milling operations where accurate part location is critical before cutting begins. It is a standard setup tool for machinists working with knee mills, bed mills, and vertical machining centers. The dual shank diameter compatibility makes it useful across a wide range of spindle collets and end mill holders without requiring an adapter. The four included attachments extend the versatility of the set for different edge-finding and centering tasks.

Key Features

• Rated accuracy of 0.0002 inches for precise workpiece edge location
• Compatible with both 3/8 inch and 1/2 inch shank diameters
• Cylindrical contact head with 0.5 inch diameter for consistent mechanical deflection
• Includes 4 attachments to cover multiple setup applications
• Plastic sleeve included for safe storage and transport

Compatibility

Designed as an OEM-style replacement and general-purpose edge finder set for use in standard collets and end mill holders accepting 3/8 inch or 1/2 inch shank tooling on milling machines and machining centers.

Installation Notes

Edge finders are installed by a machinist into the appropriate collet or tool holder and run at a low spindle speed, typically between 500 and 1000 RPM, as recommended by standard shop practice. The spindle must be rotating before contact with the workpiece is made. Always confirm the tool is fully seated and the collet is properly tightened before use. Do not use at high spindle speeds, as this will damage the contact tip and produce inaccurate results.