HSS Hole Saw for Sheet Metal -18mm Diameter - M2 Grade Metal Strut Hole Cutting
M2 grade H.S.S.
Suits sheet metals up to 4mm thickness.
Ideal for metal strut hole cutting.
Split point pilot HSS drill bit with spring ejector.
Swarf removers so also suits aluminium.
Popular with Electrical and Plumbing trades as they cut more holes in metal than variable pitch hole saws both quickly, smoothly and without burning.
Not suitable for high tensile steel.