KHCRAFT Bi-Metal Hole Saw Kit High Speed Steel M42 with Cobalt 8% for Metal and Wood 13-Piece General Purpose 3/4
- with max cutting depth 1-3/8" (35mm) and ideal for drilling on sheet metal (even high strength metal because of HSS M42 with cobalt 8% teeth), wood, plastic, plasterboard, Aluminium, etc.. Particularly for sheet metal: the cutting depth is 2mm to 5mm, depends on the hardness of the metal and taking hand drill or machine drill.
- HSS bi-metal hole saws are much better than and totally different from any carbon steel ones (work on wood only, no metal)..
- Packed in high quality carrying case. Please note that it shows "HSS M3" on the carrying case but actually it is made of HSS M42 with cobalt 8%. You could see it on the hole saws.DescriptionHSS M42 with cobalt 8% bi-metal hole saw kit / hole saw set: 9-piece hole saws and 4-piece accessories (drills are made of HSS M2 and fully ground) in quality carrying case with max cutting depth 1-3/8" (35mm).