Somta Extra Long Series Drill - HSS-E Parabolic Flute - 11mm x 365mm ER Collet Chucks 63mm is a high-performance drill

63mm is a high-performance drill bit crafted from HSS-E

4‑flute design with W-coated carbide: The 4‑flute geometry ensures efficient material removal and a smooth finish

The through‑flute coolant and short profile improve hole quality and cutting stability in deep‑hole applications

Notch-free tapered neck for durability: The neck shape without a notch helps prevent breakage

With a robust carbide body and coolant‑through capability

Somta Extra Long Series Drill - HSS-E Parabolic Flute - 11mm x 365mm ER Collet Chucks 63mm is a high-performance drillEngineered for deep hole excellence, the Somta Extra Long Series Drill in HSS E with a parabolic flute delivers long reach reliability for precision metalworking. Measuring 11 mm in diameter and 365 mm in flute length, this drill is built to reach depths where standard bits fall short, making it ideal for thick workpieces and through holes in dense materials. Extended reach without sacrificing rigidity. The extra long 365 mm flute length lets you