Stepped pagoda bit, drilling + reaming + chamfering + deburringAlloy material, durable and precise drilling, cutting iron like mudWidely used triangular shank spiral groove bit, suitable for a variety of materials , what can you drill with? It is used for drilling and boring operations of carbon steel, iron plate, aluminum plate, copper plate, plastic plate, etc., multi-application Easy processing sceneIt can be used in sheet metal processing, automotive industry, aviation industry and electrical machine shop processing industry, etc.Self-centering is easy to locate, and the 118 X-opening design effectively reduces drill bit slippageSharp, wear-resistant and burr-free, precision punching and chip removal easierNote:1 Note to users of rechargeable drills: 12V rechargeable drills have insufficient torque and are not recommendedIt is recommended to use 36V and 48V rechargeable drillsNote to users of electric drills at 2 hands: the larger the diameter of the hole, the lower the speed of the electric drill, it is recommendedRotating speed within 100PMShank type: round shank straight grooveColor: silverType of cooling (internal cooling / external cooling): external coolingCutting diameter (mm): 48Handle diameter (mm): 13Useful length (mm): 48Total length (mm): 72Material: high speed steelMaximum cutting depth: 48Category: Exercise in stepsBlade length: 48 (mm)Total Length: 72 (mm)Rod Diameter: 13 (mm)Series: Step drillModel: 5-35 white diamond drill bit with round shank straight grooveProduct weight (kg): 137gQuantity delivered: 1*pcs