I,Cobalt Jobber Drill Heavy Duty
Part: #540A509
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: I, length: 4.1/8, flute length: 2.7/8 size: I, length: 4.1/8, flute length: 2.7/8
- Letter
- Cobalt
- Bronze
- 135° Point
- Straight Shank