HOLE SAW 51MM HSS BI-METAL

- size 51 mm - cutting depth of 44,5 mm (1 3/4") - welded upper part of the body 4,75 mm for all the blades up to 76 mm (3"), sturdy, safe structure that fits closely to the blade holder - variable tooth spacing 4/6" ensures efficient and precise cutting compared with conventional toothing - triangular centring drill attachment ensures a round hole and long lifetime for the hole drill - bi-metal for resistance to wear - suitable for wood, metal, plastic, steel, both stainless and acid-proof steels - the suitable rpm ranges for various materials to be drilled have been marked on the packaging