R18CO #21 Cobalt Jobber Drill 135°
Brand: Precision Twist Drill, Wire Gauge: #21, Decimal: 0.1590", Flute Length: 2-1/8", OAL: 3-1/4", Type: Heavy-Duty, Type J, Point: 135°, Series: R18CO, Material: Cobalt HSS, Finish: Bronze Oxide, Shank: 0.1590"
Item #: PTD 018321
Precision R18CO Cobalt Jobber Drills
Wire Gauge Sizes
Cobalt high speed steel. Heavy-duty. NAS 907, Type J, 135° self-centering split point. Sizes 61 to 80 are not split point.
Wire Gauge Sizes
- Low thrust design self centering Split Point for
- easier penetration.
- Cobalt base material with Bronze tempered for wear resistance & lubricity.
- Enhanced tool life in ferrous materials
Cobalt high speed steel. Heavy-duty. NAS 907, Type J, 135° self-centering split point. Sizes 61 to 80 are not split point.
Item Specifications
-
Precision Twist Drill
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5997713
-
0.1590"
-
Jobber Length
-
2-1/8"
-
Cobalt HSS
-
3-1/4"
-
135
-
R18CO
-
0.1590"
-
Bronze Oxide
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#21