Cutting Discs and Wheels – Choosing the Right Tool for Each Material

Disc types by material

Choosing the correct disc depends on the material you're working with. Metal cutting discs contain reinforced abrasive grains that withstand high temperatures when cutting steel and stainless alloys. Diamond discs are essential for cutting concrete, brick and ceramic tiles, while carbide-tipped discs work best on wood and composite materials.

Diameter and thickness – performance impact

Standard diameters for angle grinders are 115mm, 125mm, 150mm, 180mm and 230mm – always match your machine's specifications. Thinner discs (1-1.6mm) enable faster, more precise cutting with less waste, but are more sensitive to lateral pressure. Thicker discs (2.5-3mm) are more durable for heavy-duty work and last longer under intensive use.

RPM ratings – critical safety factor

Every disc has a maximum revolutions per minute (RPM) rating marked on its label – exceeding this can cause disc failure and serious injury. Professional brands like Bosch Professional and Makita clearly indicate these specifications. Check your grinder's RPM before purchasing and never use a disc not certified for that speed.

Diamond discs – an investment that pays off

Diamond discs cost more than standard abrasive wheels, but last significantly longer and provide cleaner cuts on hard materials. Segmented diamond discs are ideal for dry-cutting concrete and brick, while continuous-rim diamond discs deliver finer, smoother cuts on tiles and granite when used with water cooling.

Brands that guarantee quality

For professional use we recommend Bosch Professional, Makita and Klingspor – their discs undergo strict quality controls and last longer under intensive work. FESTA Industry offers excellent value for regular use, while Weiler Abrasives specializes in abrasive products for industrial applications.

Common mistakes in selection and use

The biggest mistake is using a disc on the wrong material – never use a metal disc on stone or vice versa. The disc must be firmly tightened before use, but not excessively – over-tightening can damage the spindle thread. Replace the disc as soon as you notice cracks, deformation, or if the diameter drops below the minimum safe value marked on the tool.

Selection and Pricing

We offer 275 products from 13 brands across 3 sellers. Prices range from 70 to 32,999 RSD.