Extra Length Drill Bits, Drill Bit Size (Wire): #21 , Drill Bit Size (mm): 4.10 , Overall Length (mm): 183.0000 , Tool Material: Solid Carbide MPN:9065170041000

Solid carbide extra length drill bits with #21 size offer maximum durability and extended reach for deeper drilling applications where access might be restricted or to reduce the number of tool changes, enabling increased productivity at job sites. These bits feature a unique design providing smooth cutting action, higher quality hole finish, and longer service life compared to regular-length bits. Ideal for working with hard materials such as metal or wood, this 183mm length bit features precision geometry with round nose type for improved accuracy, ease of use and minimal burr formation.