High Quality Material: Made from strong HHS high-speed-steel for durability, high hardness, fast cutting, impact resistance, wear high temperature. Up to Date Products & Tools Sharp gears and anti-cutting with lower consumption make the product a long service life. Up to Date Products & Tools Can be used for thick steel plates, cast iron, stainless steel, non-standard angle iron and other metal open hole. Perfect for installing locks, knobs on doors and cabinets, or drilling large diameter holes through desks, etc. Up to Date Products & Tools Suitable for hand held electric drill, stand motor-driven drilling machine and mobile ribbon type magnetism drilling machine. Provide fast and precise cuts into stainless steel, sheet metal, cast iron, mild steel, aluminum, plastic,copper and brass. Up to Date Products & Tools 【SIZE】Size of these 12pcs hole saw: 12mm/054'', 14mm/0.59", 16mm/0.63", 18mm/0.71", 20mm/0.79", 22mm/0.87", 25mm/0.98", 28mm/1.10", 30mm/1.14", 32mm/1.19", 35mm/1.38", 55mm/2.24".Up to Date Products & Tools

• Suitable for hand held electric drill, stand motor-driven drilling machine and mobile ribbon type magnetism drilling machine. Provide fast and precise cuts into stainless steel, sheet metal, cast iron, mild steel, aluminum, plastic,copper and brass. Up to Date Products & Tools
• 【SIZE】Size of these 12pcs hole saw: 12mm/054'', 14mm/0.59", 16mm/0.63", 18mm/0.71", 20mm/0.79", 22mm/0.87", 25mm/0.98", 28mm/1.10", 30mm/1.14", 32mm/1.19", 35mm/1.38", 55mm/2.24".Up to Date Products & Tools

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