M35 Cobalt Step Drill Bit High Speed Steel Cone Hex Shank Metal Drill Bit Tool Hole Cutter for Stainless Steel(3-12)

To removing chips, with big space and small resistance; Smooth chip removal, less heating value,Sharp cutting edge, reduce cutting force, lower breaking rate and improve the quality of hole wall;M35 Spiral grooved Step Drill Bits Cut Tool Set.heat treatment to it, high hardness, high wear resistance, high toughness, high bending strength, sharp edge, the best choice for processing stainless steel, better than ordinary step drill.Cobalt plating to reduce mit and run cooler.Automatically deburr holes as you drill.Unique step structure, a drill bit that allows you to make holes of various sizes, making the perfect hole is easily.A step drill with a box. very convenient.3-12mm(3-4-5-6-7-8-9-10-12mm) 3-13mm(3-4-5-6-7-8-9-10-11-12-13mm) 4-12mm(4-6-8-10-12mm)4-12mm(4-5-6-7-8-9-10-11-12mm)Description:Does not need center punch to assist it, compared with ordinary hemp flower drill, it is stabler and difficult to be broken.It is suitable for being installed on the pistol drill and bench drill, applicable for punching on harder workpieces, widely used to cut holes in a variety of material like stainless steel tapping steel, wood, thin iron, aluminum alloy, moisture boards, PVC sheet, ect

• To removing chips, with big space and small resistance; Smooth chip removal, less heating value,
• Sharp cutting edge, reduce cutting force, lower breaking rate and improve the quality of hole wall;
• Precision machining by high accurate equipment;
• With good milling and cutting performance, ensuring high efficiency;
• High hardness, wear resistance, and intensity; anti-bending;
• To removing chips, with big space and small resistance; Smooth chip removal, less heating value,
• Sharp cutting edge, reduce cutting force, lower breaking rate and improve the quality of hole wall;
• Symmetrical cutting blade, help to high effective cutting, avoiding drilling offset.