Typically, this applies to softer materials. A lighter and regular force is enough. It makes it possible for the tooth to cut properly with no amplified chance of clogging. Ideal for use on aluminium, Forged iron, plastics, steel & Wooden 35mm maximum slicing depth For use using an arbor for https://eduardombqfs.blog-kids.com/35689798/what-does-hss-hole-saw-mean