Robbjack SS-2-018 Square End Mill 0.018 in 2 Flute Carbide

Product Description

The ROBBJACK SS-2-018 is a solid carbide square end mill designed for precision milling of small-feature geometry in ferrous and non-ferrous materials. With a cutting diameter of 0.018 inches and a length of cut of 0.027 inches, this tool is built for micro-milling applications where dimensional accuracy is critical. The stub-length profile and straight cylindrical shank of 0.125 inches minimize deflection and improve rigidity at depth. Two spiral flutes with a 30-degree helix angle promote efficient chip evacuation. Machinists and toolroom operators working on tight-tolerance components install this tool in CNC machining centers, high-speed spindles, and precision vertical mills.

The SS-2-018 is suited for micro-scale milling operations in industries such as medical device manufacturing, electronics, aerospace, and precision moldmaking. Its centercutting geometry allows plunge entry, giving the operator flexibility in toolpath programming. The uncoated solid carbide construction in ROBBJACK's Tuffy material grade is appropriate for both dry and light-mist cutting conditions in materials requiring a sharp, uncoated edge. Overall length is 1.5 inches, keeping the tool compact and stiff for stub-reach work on shallow pockets, slots, and contour passes.

Key Features

• 0.018 inch cutting diameter for fine-feature and micro-milling work
• Solid carbide Tuffy material grade for wear resistance and edge retention
• Centercutting design allows direct plunge entry without pre-drilling
• 30-degree helix spiral flute promotes chip clearance in small slots and pockets
• Stub length at 1.5 inches overall reduces deflection in tight setups
• Right-hand cut and right-hand flute configuration for standard spindle rotation

Compatibility

Designed as an OEM-style replacement or direct-fit tool for CNC machining centers and precision mills accepting a 0.125 inch straight cylindrical shank in the SS-2 series from ROBBJACK.

Installation Notes

Installation should be performed by a qualified machinist following shop safety protocols. Secure the shank in a collet or end mill holder rated for the spindle speed and tool diameter before engaging the workpiece. Verify runout with a dial indicator prior to cutting to confirm the tool is seated within tolerance. Do not exceed recommended surface footage for the workpiece material and tool diameter.