Description

Material – Machining=High Speed Steel
Measurement System=Wire
Size-Diameter=#21
Decimal Equivalent=0.1590
Size – Decimal=#21 – 0.1590
Diameter Tolerance=+0.0000/-0.0002 in
Overall Length=3 1/4 in
Finish – Machining=Bright (Uncoated)
Size=#21
Finish=Black and Gold Oxide
Size- Decimal=#21 (0.1590)
Overall Length Trade Name=Jobber Length
Item=Jobber Drill Blank
Dimension Type=Wire
Material=High Speed Steel