Dormer HSS Jobber Drill Bits - Dormer A0025.5, This 5.5mm drill bit from the Dormer A002 series is a high-speed steel jobber drill bit with titanium nitride coating on the working end. Dormer A0025.5 A002 HSS-TiN Coated Jobber Drill 5.50mm OL:93mm WL:57mm
