- jobber's reamer
- noun
: a reamer that may be used either in a machine or when provided with a suitable holder as a hand tool
Useful english dictionary. 2012.
Useful english dictionary. 2012.
Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry … Wikipedia