Star-M Set Mata Bor No 36 Circle

Range in size 30mm to 120mm. With the use of Long Bar 200mm or 300mm as an optional attachment, drilling 200mm or upto 300mm diameter is available. Smooth and speed work by twin-blades. Use the hex wrench in the attachment to adjust the sizes. Changing the center drill to the plain brad point drill, drilling into Gypsum Board is available. Usage : Wood, Gypsum Board Recommended tool(s) : Electric Power Drill RPM Range - Bar Length 120mm：Less than 1,500 rpm - Bar Length 200mm：Less than 1,300 rpm - Bar Length 300mm：Less than 600 rpm Material(s) - Body：High Carbon Steel - Center Drill：High Carbon Steel - Replaceable Blade：High Speed Steel Capacity - Bar Length 120mm：Hole sizes 30mm - 120mm - Bar Length 200mm：Hole sizes 30mm - 200mm - Bar Length 300mm：Hole sizes 30mm - 300mm Applicable depth：Single face 25mm / Both face 50mm