Silver and Deming
Industrial Drill Bit
"Machine Screw" or "Stubby" Industrial Drill Bits are very short. Currently we do not have part numbers for them (they are primarily used In-House).
High Speed - This is the cheaper most common, BLACK IN COLOR (Delta P/N: DBJHS-)
Black and Gold - This is the medium Grade, BLACK AND GOLD (Delta P/N: DBJBG-)
Cobalt - This is the high grade, GOLD IN COLOR (Delta P/N: DBJCB-)
Concrete Industrial Drill Bits (Delta P/N: DBSDS-)
Silver and Deming - This means 1/2" shank industrial drill bits. Delta P/N: Same as above, but part number starts with "DBH" (not DBJ)
Disclaimer: The dimensions listed are for reference only. Sizes not listed may be available off the shelf or can be manufactured to customer requirements.