Catalog number: SD523-53-159-40R7 Features: ●All sizes of drill bodies feature an original wave-shaped flute shape and a coolant supply port for the escape hole, optimizing chip discharge. ●Special steel is used for the drill body, making it extremely rigid, and it can bite into inclined surfaces and process cross holes. ●Side locks are chamfered on two sides, solving the problem of core height when machining on a lathe. Specifications: ●DC: 53.0mm ●LU: 159.0mm ●DMM: 40.0mm ●Shank type: ISO 9766 ●OAL: 257.0mm
