#21,Cobalt Jobber Drill Heavy Duty
Part: #580E021
Heavy duty construction made to Type J aircraft specifications. Used for drilling holes in hard, tough materials such as stainless steel, titanium high temperature and high strength alloys. High red hardness of cobalt permits speeds 30% greater than HSS drills. size: 21, length: 3.1/4, flute length: 2.1/8 size: 21, length: 3.1/4, flute length: 2.1/8
- Number
- Cobalt
- Bronze
- 135° Point
- Straight Shank