The bi-metal reciprocating saw blades are designed for maximum precision, flexibility, and durability in flush cutting of thin metals, sheet metal, and tubes. Its bi-metal construction combines strength and durability, allowing controlled cutting without deforming the material or damaging the blade. These universal blades are fully compatible with most reciprocating saws on the market, including Cofan models, both its cordless (ref. 50003266) and electric (ref. 50003267), and are also suitable for Bosch and another brands with the same attachment system. They feature a tooth-set design that improves chip and sawdust removal, reduces heat build-up, and extends blade service life. With 18 TPI, the blades are available in three different lengths to suit various applications and cutting needs: 80 mm (ref. 20512003), 130 mm (ref. 20512004), and 180 mm (ref. 202512005), all of them equivalent to Bosch S522EF. These blades are specially designed for cutting metals from 1.5 to 3 mm thick, as well as thin sheet metal and metal tubes. Ideal for clean, precise, and burr-free cutting. Its design allows flush cutting close to surfaces without the risk of damaging the base or underlying material. Their universal shank design also makes them compatible with most reciprocating saws on the market, ensuring a secure fit and optimal performance in every application. These reciprocating saw blades are supplied in packs of 5 pieces.