Hole saw d. 55mm cutting d. 20mm carbide tipped with drill and spring. Promat features a multi-range design with carbide-tipped cutting edges that allow for repeated regrinding. It includes a replaceable center drill and an ejector spring for the drill core. This tool is suitable for unalloyed steels and stainless steel, making it ideal for sawing flat material, pipe material, and curved surfaces. Overlapping holes are possible. The drill body measures 30 mm, with a cutting depth of 20 mm, compatible with hand drills up to 6 mm.

Application note: Use high-quality cutting oil when sawing metals; do not use cutting oil when sawing cast iron, and add petroleum when sawing aluminum.

Further technical information: Designed with a drill bit and spring.