For better performance on hard and abrasive materials, the carbide countersinks in these sets are harder, stronger, and more wear resistant than high-speed steel countersinks.

Carbide is harder, stronger, and more wear resistant than high-speed steel for better performance on hard and abrasive materials.

Harder, stronger, and more wear resistant than high-speed steel, the carbide countersinks in these sets have better performance on hard and abrasive materials.