M35 Cobalt Step Drill Bit 1/4 Inch Hex Shank HSS-Co Step Drill Bit Spiral Grooved Hole Cutter

Description: HSS CO/M35 Hex Shank Spiral Grooved Taper Point Drill Cobalt Step Drills Specification: Material: High Speed Steel Surface Treatment: Nitrogen Treatment (increasing the hardness and abrasion resistance) Groove: Spiral Shank: Hex Model: 3-12mm, 4-12mm, 4-20mm, 4-22mm, 4-26mm, 5-21mm, 5-27mm, 6-24mm Sizes: 3-12mm: (3,4,5,6,7,8,9,10,12mm) 4-12mm: (4,5,6,7,8,9,10,11,12mm) 4-20mm: (4,6,8,10,12,14,16,18,20mm) 4-22mm: (4,6,8,10,12,14,16,18,20,22mm) (26mm) 4-26mm: (4,6,8,10,12,14,16,18,20,22,24,26mm) 5-21mm: (5,7,9,11,13,15,17,19,21mm) (27mm) 5-27mm: (5,7,9,11,13,15,17,19,21,23,25,27mm) 6-24mm: (6,8,10,12,14,16,18,20,22,24mm) Quantity: 1pcs (optional) Features: - 118 X-shaped opening, to reduces slippage of the opening - HSS Drill Bit Set For Metal Wood, Plastic And Aluminum. - Ideal For DIY, Home and General Building/Engineering Using. - Ideal for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc. - High speed steel,durable. - Nitriding coated to reduce friction and heat. - Triangle shanks design in order to prevent slippage when in chuck. Package Included: 1X HSS Cobalt Step Drill Note: * Please allow a slight error due to manual measurements, thank you. * Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding. More Details: