DRILL CO. Cobalt Jobber Drills
- 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
| Part No. | Size | Flute Length | Overall Length |
| 500A104 | 1-1/16" | 7/8" | 1-7/8" |
| 500A105 | 5/64" | 1" | 2" |
| 500A106 | 3/32" | 1-1/4" | 2-1/4" |
| 500A107 | 7/64" | 1-1/2" | 2-5/8" |
| 500A108 | 1/8" | 1-5/8" | 2-3/4" |
| 500A109 | 9/64" | 1-3/4" | 2-7/8" |
| 500A110 | 5/32" | 2" | 3-1/8" |
| 500A111 | 11/64" | 2-1/8" | 3-1/4" |
| 500A112 | 3/16" | 2-5/16" | 3-1/2" |
| 500A113 | 13/64" | 2-7/16" | 3-5/8" |
| 500A114 | 7/32" | 2-1/2" | 3-3/4" |
| 500A115 | 15/64" | 2-5/8" | 3-7/8" |
| 500A116 | 1/4" | 2-3/4" | 4" |
| 500A117 | 17/64" | 2-7/8" | 4-1/8" |
| 500A118 | 9/32" | 2-15/16" | 4-1/4" |
| 500A119 | 19/64" | 3-1/16" | 4-3/8" |
| 500A120 | 5/16" | 3-3/16" | 4-1/2" |
| 500A121 | 21/64" | 3-5/16" | 4-5/8" |
| 500A122 | 11/32" | 3-7/16" | 4-3/4" |
| 500A123 | 23/64" | 3-1/2" | 4-7/8" |
| 500A124 | 3/8" | 3-5/8" | 5" |
| 500A125 | 25/64" | 3-3/4" | 5-1/8" |
| 500A126 | 13/32" | 3-7/8" | 5-1/4" |
| 500A127 | 27/64" | 3-15/16" | 5-3/8" |
| 500A128 | 7/16" | 4-1/16" | 5-1/2" |
| 500A129 | 29/64" | 3-15/16" | 5-5/8" |
| 500A130 | 15/32" | 4-5/16" | 5-3/4" |
| 500A131 | 31/64" | 4-3/8" | 5-7/8" |
| 500A132 | 1/2" | 4-1/2" | 6" |
- Contact Heavy Maintenance Supply 205-384-5284 for more information
