Value Collection 6-901-540 Square-shoulder End Mill R8

Product Description

The VALUE COLLECTION 6-901-540 is an indexable square-shoulder end mill designed for precision milling operations in metalworking and machining environments. It features a 3-inch cutting diameter and accepts a standard R8 shank for use with compatible milling machine spindles. With a maximum depth of cut of 0.656 inches and an overall length of 5-37/64 inches, this toolholder is built for productive material removal on vertical knee mills and similar platforms. The insert-holding method uses a screw-lock design, and the cutter accommodates 5 inserts for balanced, multi-edge cutting performance. Installation and operation are handled by machinists and tool-and-die tradespeople.

This end mill is suited for square-shoulder milling applications in job shop, maintenance machining, and production environments where an R8 spindle interface is standard. The TPG cutter style is compatible with TPC 32, TPG 32, and TPU 32 insert families, giving operators flexibility in insert selection based on material and finish requirements. It is appropriate for use on ferrous and non-ferrous stock in both manual and CNC-capable knee mill setups where R8 tooling is the accepted standard.

Key Features

• 3-inch cutting diameter for wide material removal passes
• R8 shank interface compatible with standard knee mill spindles
• Maximum depth of cut: 0.656 inches
• 5-insert, 5-flute configuration for balanced cutting load
• Screw-lock insert holding for secure, repeatable insert seating
• Compatible with TPC 32, TPG 32, and TPU 32 insert styles

Compatibility

Uses TPC 32, TPG 32, and TPU 32 insert styles. Designed for use with milling machines equipped with an R8 spindle taper.

Installation Notes

Installation should be performed by a qualified machinist. Power down and lock out the milling machine spindle before changing toolholders or inserts. Ensure the R8 shank is fully seated and the drawbar is torqued appropriately per the machine manufacturer specifications before operation. Inspect insert seating and screw condition before each use.