Bi-metal type in M 42 steel with 8% Cobalt, professional use.
Progressive variable toothing, with special milling between teeth to optimize chip discharge (chip breaker). This improves safety and life of the saw, reducing cutting times.
To be used on portable or pillar drills. For drilling iron, steel, stainless steel, cast iron, non-ferrous metals, plastics, wood, etc. Particularly suitable for installers, electricians, blacksmiths, coachbuilders, etc.
Useful cutting depth 38 mm.
Number of hole saws: 13
Hole saw sizes Art. 3078 GSA: mm 19-20-22-25-29-35-38-40-48-60-65-68-86
Connections Art. 3078 GT: Size 1 pc. 1
Connections Art. 3078 GT: Size 2 pcs. 1
Extension pcs. 1
In aluminum case.