Description:Specifications: Drilling Dia.: 40mm; shank size: 9mm; total length: 80mm. Round shank,Applications: Can be used for drilling holes on wood and plastic products, furniture, door hinge. Used on cutting wood, plywood, solid wood boards, MDF, plastics, fiberglass etc.Features: Arc curve design head for easy chip-removal, more efficient perforationHow To Use: Suitable for bench drill, vertical drilling machine, CNC carving machine. Processing hardwood or other hard materials should be injected with water to improve the quality and accuracy of drilling, and extend the life of the hole opener.Tips: Maximum speed: 1200rpm. Used on desktop (fixed) equipment, and can NOT be used on handheld power tools (such as hand drill or electric drill). Can not drill metal and non-ferrous metal.
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