Dormer A125 Series HSS Twist Drill Bit, 10mm Diameter, 250 mm Overall - A12510.0X250

BS 328. HSS Straight Shank Extra Length Drill (A125). High Speed Steel extra length drill for general machining applications. Ideal for long reach applications and for drilling deeper holes by interrupted drilling (pecking) Steam tempered finish improves wear resistance Capable of drilling holes up to 10x diameter in most materials