The AZZUNO Tungsten Electrode Sharpener Grinder is designed for TIG welders who demand precise, repeatable electrode preparation without the premium price tag. Whether you're prepping fresh tungsten or reshaping a contaminated tip, this grinder delivers professional results in seconds. 8 Grinding Angles — More Than the Competition Choose from 8 precise grinding angles: 15°, 20°, 30°, 40°, 45°, 50°, 55°, and 60°. Most competing grinders offer only 3 angles. More angle options mean you can dial in the exact tip geometry your welding procedure calls for — from tight pinpoint arcs to broader heat distribution. 6 Electrode Diameters — Covers Every Size You Need The built-in grinding guide accepts 6 tungsten electrode diameters: 0.040" (1.0mm) 1/16" (1.6mm) 5/64" (2.0mm) 3/32" (2.4mm) 1/8" (3.2mm) 5/32" (4.0mm) From thin sheet metal work to heavy-duty pipe welding, this grinder handles the full range of common tungsten sizes. 6-Speed Variable Control — 14,000 to 39,500 RPM Not all tungsten is the same. Thinner electrodes need a lighter touch; thicker ones require more power. The 6-speed variable motor lets you match the grinding speed to the job, giving you full control over material removal rate and tip finish quality. Low speeds (14,000–20,000 RPM): Ideal for thin 0.040" and 1/16" electrodes — prevents overheating and excessive material removal Medium speeds (20,000–30,000 RPM): Great for 3/32" and 5/64" electrodes — balanced speed and precision High speeds (30,000–39,500 RPM): Best for 1/8" and 5/32" electrodes — fast material removal when reconditioning worn tips Double-Sided Diamond Grinding Wheel The included double-sided diamond grinding wheel delivers clean, precise points and lasts significantly longer than standard abrasive wheels. Both sides can be used, effectively doubling the service life. When one side wears down, simply flip it around. Built-In Cutting Slot Need to trim a contaminated electrode before re-sharpening? The integrated cutting slot lets you cleanly cut tungsten to length without reaching for a separate tool — one machine does it all. Quick & Easy Operation Select your angle — insert the electrode into the corresponding angle slot Choose your speed — adjust the 6-speed dial to match the electrode diameter Grind — slowly rotate the electrode until the tip is evenly sharpened Done — a perfectly pointed tungsten, ready to weld No complicated setup. No guesswork. Just consistent, repeatable results every time. What's in the Box 1× AZZUNO Tungsten Grinder (110V/120V AC, 60Hz) 1× Double-Sided Diamond Grinding Wheel (pre-installed) 2× Replacement Carbon Brushes 1× Wrench 1× User Manual 1x Storage Box Specifications Table Specification Detail Input Voltage 110V/120V AC, 60 Hz Maximum Input Power 180W No-Load Speed 14,000 – 39,500 RPM (6 Variable Speeds) Electrode Angles 15°, 20°, 30°, 40°, 45°, 50°, 55°, 60° Electrode Diameters 0.040" (1.0mm), 1/16" (1.6mm), 5/64" (2.0mm), 3/32" (2.4mm), 1/8" (3.2mm), 5/32" (4.0mm) Grinding Wheel Double-sided Diamond Wheel Power Cord Length 6.2 ft (1.9 m) Cutting Slot Yes — built-in tungsten cutting slot Speed Control 6-speed adjustable dial Plug 120V US plug