HSS Hole Saw Kits for Metal, Rocaris 15 pcs High-Speed Steel Hole Saw Cutting Kit Drill Bits Opener Cutter Tool for Stainless Steel,Copper, Iron 15~53mm
- The gears is made from HSS and the rigidity varies from the hole saw has a twist drill bit inside, which is undetachable..
- 64HRC to 65HRC. Sharp gears and anti-cutting with lower consumption make the product a long service life..
- Carbide teeth for fast cutting of clean, round holes.Suitable for hand held electric drill, stand motor-driven drilling machine and mobile ribbon type magnetism drilling machine..
- Cuts quick, precise holes in stainless steel, mild steel, iron, copper and brass.Can drill about 20mm depth for the wood, and can drill about 5mm for the stainless steel.