#21 (.1590") "Taper Length" Long Straight Shank Drill Bit, High Speed Steel
Model #: DRTLN-21
- Size: 21
- Decimal Equivalent: 0.1590"
- Overall Length: 5 3/8"
- Flute Length: 3 1/8"
- High Speed Steel.
High Speed Steel.
Taper length is a longer straight shank drill used where a deeper hole is required.
Shank diameter is the same as the cutting diameter of the drill.
Please note that these drills may be either bright finished steel or black oxide finished, depending on stock.