ITEM NAME:HSS-CO/M35 e Shank 4-32Mm Cobalt Straight Step Drill Bit Metal Cone Step Dr P4T3 HSS-CO/M35 e Shank 4-32Mm Cobalt Straight Step Drill Bit Metal Cone Step Dr P4T3 Cobalt coated to lower friction and running temperature, prolong its lifetime. Applicable for drilling those workpieces that hardness is higher, such as carbon steel plate, sheet iron, insulation board, etc. Full manufactured with CBN grinding, high wear resistance, high toughness, high strength flexural, high machining precision requirement. No need center punch, compared with the ordinary twist drill, it is not easy to be break down and it can be used for deburring, chamfering and opening hole. Type: Core Drill Bit DIY Supplies: Woodworking Shank shape: e Shank Shank Diameter:4-32mm Weight:176g colour:Photo Color Material:High speed steel containing cobalt Package Contents: 1 * HSS Cobalt Straight Groove Step Drill Bit
