3/8" (Approx 9.5mm) - Style LH - Martin Yale / Lihit / Imperial - Extra Large Collar - 2" Capacity - LH38

These premium hollow-spindle drill bits are designed specifically for your MARTIN YALE / LIHIT / IMPERIAL drills.  These bits are a consumable item, and should be either re-sharpened or replaced periodically.

Don't forget to also turn/replace your drill blocks!