Value Collection 5-690-015 Convex Radius Cutter Hss

Product Description

The VALUE COLLECTION 5-690-015 is a convex radius cutter designed for milling concave profiles and radii into workpieces on manual and CNC milling machines. It features a 3/32 inch radius and a 7/8 inch cutter diameter, with a 3/16 inch circle diameter that defines the convex profile geometry. The cutter is machined from high speed steel (HSS) and left uncoated, making it suitable for general-purpose milling on a range of ferrous and non-ferrous materials. With 6 teeth and a Weldon flat shank, it seats securely in standard side-lock end mill holders. Machinists and tool-and-die tradespeople are the primary installers of this type of cutter.

This convex radius cutter is used in toolroom, job shop, and production milling applications where a precise concave radius must be cut into a part edge or surface. The 1/2 inch shank diameter and 3 inch overall length (OAL) make it compatible with standard vertical and horizontal milling setups. It is suited for profile milling, die work, and contour finishing operations where a controlled radius form is required.

Key Features

• 3/32 inch radius generates a consistent concave profile on milled workpieces
• High speed steel construction provides toughness and re-sharpenability for toolroom use
• 6-tooth configuration balances material removal rate with surface finish quality
• Weldon flat on the 1/2 inch shank ensures positive drive and prevents slippage in side-lock holders
• Uncoated finish allows for straightforward resharpening without coating concerns
• 3 inch OAL provides adequate reach for most standard milling setups

Compatibility

Designed as an OEM-style replacement or direct-use convex radius form cutter for standard 1/2 inch end mill holders and milling arbors accepting Weldon flat shank tooling.

Installation Notes

Installation is performed by a machinist or toolroom technician. Before mounting, ensure the milling machine spindle is fully stopped and locked out per shop lockout/tagout procedures. Seat the Weldon flat shank fully into the side-lock holder and tighten the set screw against the flat to prevent axial pullout during cutting. Inspect the cutter edges for chips or damage before each use, and confirm runout with a dial indicator when precision radius work is required.