Specifications:Thread Size: M5 x 0.8Hex Shank Size: 1/4"Drilling Length: 22mm / 0.87"Total Length: 68mm / 2.68"Material: M35 Cobalt High Speed SteelFinish: UncoatedPackage Content: 1pcs x Combination Drill and Tap BitDescriptions:Combination drill and tap bit set can complete hole drilling, tapping, deburring and countersinking. One-step operation greatly saves processing steps and improves working efficiency.Suitable for processing holes. Used for tapping aluminum, die steel, stainless steel, bronze, hard plastics, etc.. Recommended feed rate: general steel: 6-15m/min; harder steel: 5-10m/min; stainless steel: 2-7m/min; cast iron: 8-10m/min.Self-centering point, do not need assistant center drilling or center punching. Quick change 1/4-inch hex shank can be used on power tools more easily and securely.
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