Question

Diamond is used as abrasive, why?

Answer 1

because of hard nature of diamond it is used as an abrasive. It's small particles are applied on the edges of the saw and other wood cutting tools to make them sharp.

Answer 2

Diamonds Used as an Abrasive. Because diamonds are very hard (ten on the Mohs scale) they are often used as an abrasive. ... Small particles of diamond are embedded in saw blades, drill bits and grinding wheels for the purpose of cutting, drilling or grinding hard materials