#63 10pc Mini HSS Wire Gauge Twist Drill Bit Metal Working Drilling 0.036″ Shank
Estimate shank size:0.92mm/0.036in. #63 0.92mm/0.036in. Reference chart for all bits size range (#50-#80) -. Part #8263HDB. It is easy for us to fix any problem you may have with our products or services.