The angle grinder, the abrasives mounted on it, and the user have an almost symbiotic relationship: Each affects the other.

Martin Barraud / Getty Images Fixed costs, variable costs, and total costs all sound similar, but there are significant differences among the three. The main difference is that fixed costs do not ...

WEPBA 20-150 Quick DS BL angle grinders. Designed for heavy-duty metalworking and grinding, they deliver 11,000 RPM with 2,000-W/15-amp brushless motors. Equipped with Tacho-Constamatic electronics, ...