This progressive-tooth blade has small, fine teeth that gradually increase to large teeth for fast cuts. Also known as a bimetal blade, it has a steel body with high-speed steel teeth and lasts twice as long as other hacksaw blades.

With teeth ground into a forward angle, these blades cut faster and remove 30% more material with each stroke than long-life blades. The teeth are hardened high-speed steel, so the blades last twice as long as blades with carbon steel teeth. They’re primarily used to cut through metal but can also be used on plastic and wood. These blades are often used to cut through pipe and sheet metal in tight spaces. They work well for precise, controlled cuts. Choose fewer teeth per inch for fast, rough cutting; choose more teeth per inch for a slower, smoother cut.

Blades with a steel body are more flexible than high-speed steel blades, so they can bend slightly when working in tight areas. Also known as bimetal blades.

Blades with a high-speed steel body are more rigid than steel blades for straight, accurate cuts.

Choose more teeth per inch for a smooth cut; choose fewer teeth per inch for fast, rough cutting.

Carbon steel blades are an economical option for cutting soft materials such as mild steel, copper, plastic, and wood. High-speed steel blades have hardened teeth, so they cut harder metal and plastic than carbon steel blades.