Bi-Metal Hacksaw Blade vs High-Carbon Blade for Repeated Steel Cutting
For repeated steel cutting, a bi-metal hacksaw blade is usually the safer buy. Its high-speed-steel teeth resist wear while a flexible spring-steel back tolerates the bending that breaks ordinary blades. A high-carbon steel blade costs less and can cut mild steel effectively, but it gives up tooth life and toughness. The better choice depends on … Read more