A bench grinder is one of those workshop tools that once you have one, you wonder how you ever managed without it. Mounted permanently on your workbench, it's always ready for sharpening, shaping, and finishing tasks — no setup time, no fuss. Here's everything you need to know.
What Is a Bench Grinder Used For?
Tool sharpening — the primary use: A bench grinder is the fastest and most effective way to sharpen chisels, plane blades, turning tools, knives, garden tools, and drill bits. With practice, you can restore a sharp edge in seconds.
Metal shaping: Grind metal workpieces to shape, remove material, and clean up rough cuts from an angle grinder or hacksaw.
Deburring: Remove sharp edges and burrs from cut metal — essential for safety and professional finish.
Weld cleaning: Clean up small weld beads and grind flush on light fabrication work.
Tool restoration: Remove rust, worn edges, and damaged profiles from old or neglected hand tools — bringing them back to working condition.
Polishing: With a polishing wheel attachment, polish metal surfaces to a mirror finish.
Understanding the Two Wheels
Most bench grinders come with two different grinding wheels — one coarser, one finer:
Coarse wheel (lower grit): For aggressive material removal — reshaping damaged tool edges, removing large amounts of metal quickly, initial sharpening of badly worn tools.
Fine wheel (higher grit): For finishing and refining — final sharpening, light honing, and producing a clean edge ready for a strop.
The TEH TBG20035 350W comes with both wheels fitted — 200mm diameter, ready to use straight out of the box.
Step-by-Step: Sharpening a Chisel
Safety Rules for Bench Grinders:
TEH TBG20035 Key Specifications:
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