#51 (.0670") Screw Machine Drill Bit, High Speed Steel
Model #: SMRN-51
Price: $0.52
Description: #51 HS Screw Machine Drill, 0122-0256
- Size: 51
 - Flute Length: 11/16"
 - Overall Length: 1 11/16"
 - Decimal Equivalent: .067"
 - Short length drill bits, often used in screw machines.
 
Often called "stub drills". 
Shank is the same diameter as cutting diameter.
High speed steel.  
Please note:  Screw Machine Drill bits may be bright finished or black oxide, depending on stock.