Generally, this applies to softer components. A lighter and steady force is adequate. It allows the enamel to cut proficiently with no amplified probability of clogging. Appropriate for use on aluminium, cast iron, plastics, steel & Wooden 35mm utmost reducing depth To be used with the arbor for chopping 48mm https://holesawsupplier79011.liberty-blog.com/35599619/hss-hole-saw-no-further-a-mystery