Robbjack SS-2-044 Square End Mill 0.044 in 2 Flute Carbide

Product Description

The ROBBJACK SS-2-044 is a solid carbide square end mill designed for precision milling in tight-tolerance applications. With a 0.044-inch cutting diameter and a 0.066-inch length of cut, this stub-length tool is built for rigidity and minimal deflection in shallow-depth operations. The 1/8-inch straight cylindrical shank and 1-1/2-inch overall length make it well-suited for CNC machining centers and manual mills where short tool projection is preferred. Two right-hand spiral flutes with a 30-degree helix angle promote efficient chip evacuation. The uncoated solid carbide construction in ROBBJACK Tuffy material grade provides the hardness needed for ferrous and non-ferrous workpiece materials.

The SS-2-044 is intended for machinists and CNC operators working on small-part machining, mold work, and detailed profiling where a micro-diameter end mill is required. Its centercutting design allows for direct plunge entry into workpiece material, adding flexibility for slot milling and pocket operations. The stub-length geometry minimizes tool overhang and is a practical choice for hard materials where chatter control is critical. This tool ships as a single unit and is appropriate for job shop and production floor use.

Key Features

• 0.044-inch cutting diameter with plus or minus 0.0005-inch diameter tolerance for tight-tolerance work
• Solid carbide Tuffy material grade for hardness and wear resistance
• 2-flute right-hand spiral design with 30-degree helix angle for efficient chip evacuation
• Centercutting geometry enables direct plunge milling
• Stub-length body reduces deflection and improves rigidity in shallow cuts
• Uncoated finish suitable for a broad range of workpiece materials

Compatibility

Designed as a direct-fit replacement or standard tooling selection for CNC machining centers and manual mills accepting a 1/8-inch straight cylindrical shank, within the ROBBJACK SS-2 series of micro square end mills.

Installation Notes

Installation should be performed by a qualified machinist or CNC operator. Seat the shank fully into the collet or tool holder and torque the retention mechanism per the tool holder manufacturer's specification before operation. Confirm runout with a dial indicator before cutting, as micro-diameter end mills are sensitive to even minor setup error. Never exceed the manufacturer's recommended feed and speed parameters for the material grade and cutter diameter.