Description:HSS Center Drill Bit 60 Degree 1\/8 - 5\/32 Inch Countersink Lathe Mill<br>Specifications:60  tip anglesOptional Size: 1\/8&amp;quot;，3\/16&amp;quot;，1\/4&amp;quot;，5\/16&amp;quot;，5\/32&amp;quot;Material: HSSApplicable hardness: HRC40 or lessQuantity: One PieceUse: suitable for positioning and Chamfering processing before drilling.<br>Features:General Materials centering hole machining and chamfering machining. Using cobalt high speed steel material.Cutting fast， good chip evacuation， edge clear， sharp and durable， the drill shank has a specification lettering.(Without protecting chamfers composite center drill)<br> Package included:1x Center drill bit