Tyrolit
Tyrolit Fibre Discs | Resin Fiber Backed Grinding Discs for Angle Grinders
Tyrolit Fibre Discs are heavy-duty, resin-fibre-backed coated abrasive discs engineered for maximum aggression and durability in angle grinder stock removal, weld grinding, and heavy deburring applications. Constructed from multiple layers of vulcanized fibre that creates a rigid yet slightly flexible backing, Tyrolit fibre discs can withstand the immense heat and pressure of angle grinding without tearing, buckling, or losing their edge. They are coated with Tyrolit’s premium ceramic, zirconia, or aluminium oxide grains in open-coat and closed-coat configurations. When mounted on a backing pad (rubber or phenolic), the fibre disc presents a flat, highly aggressive surface that removes metal far faster than a typical flap disc, making them the preferred choice for initial heavy weld removal, removing deep rust and scale, and heavy stock reduction on carbon steel. The controlled breakdown of the abrasive grain exposes fresh cutting edges, and the rigid backing resists the “cupping” that can cause gouging. Available in a wide range of diameters (100 mm–230 mm), grits (16–120), and centre-hole patterns (including quick-change), Tyrolit fibre discs are an indispensable part of any welder’s, fabricator’s, or foundry worker’s kit.
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Unmatched Aggression for Heavy Stock Removal
The rigid vulcanized fibre backing supports high-pressure grinding without flexing, transferring maximum motor power into the workpiece for rapid metal removal.
Cool Grinding Action with Ceramic and Zirconia Grains
Advanced self-sharpening grains require less pressure to cut, reducing heat build-up and the risk of blueing or warping on thin-gauge metals.
Rigid Backing for Flat Surface Grinding
The stiff disc resists buckling, ensuring the entire abrasive face contacts the workpiece evenly, levelling welds and surface defects uniformly without gouging.
Open-Coat Anti-Loading Options
Open-coat fibre discs have wider grain spacing to clear grinding swarf efficiently, preventing loading when working with aluminium, soft steels, and fillers.
Durable Resin Bond System
Tyrolit’s resin-over-resin bond construction secures grain tenaciously, resisting the heat-induced grain pullout that shortens the life of cheap fibre discs.
Universal Backing Pad Compatibility
Standard arbor hole diameters (22.23 mm) and quick-change bayonet mounts fit all major angle grinder backing pads, ensuring immediate integration into existing toolkits.
Why Tyrolit Fibre Discs Are the Go-To for Heavy Weld Removal
When a welder needs to remove a thick, heavy structural weld cap or completely grind down a mismatched plate edge, a flap disc may bounce or take too long, and a grinding wheel may be overly aggressive and leave a rough finish. The fibre disc occupies the performance sweet spot: as aggressive as a grinding wheel but with a flatter, more controlled cutting surface. The rigid backing ensures that the full face of the disc is always engaged, providing a stable platform that produces a flat, blend-ready surface. This reduces the time spent alternating between grinding and finishing tools. Tyrolit’s ceramic fibre discs, in particular, demonstrate extraordinary life; they maintain their cut rate for a far longer period than aluminium oxide alternatives, meaning fewer pauses to swap discs, and less consumable cost per welded joint.
Fibre Disc Selection: Grain, Grit, and Backing Pad Choices
Optimal performance depends on the right disc and pad combination. For hard metals and high production, ceramic grain is best. For general steel and stainless, zirconia. For wood or non-ferrous, aluminium oxide. Use a hard phenolic backing pad for maximum aggression and flatness; use a softer rubber pad for more conformability on slightly curved surfaces. Grit selection: 16–24 for extreme stock removal, 36–40 for heavy weld grinding, 50–60 for general bevelling and blending, 80–120 for finishing. The disc mounting (centre hole or quick-change) must match the backing pad. Tyrolit provides full compatibility charts.