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Cobalt Jobber Drills Fractional

For hard to drill items Delta recommends 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.


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Model Number Product Name
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500A103
500A103 3/64,Cobalt Jobber Drills
500A104
500A104 1/16,Cobalt Jobber Drills
500A105
500A105 5/64,Cobalt Jobber Drills
500A106
500A106 3/32,Cobalt Jobber Drills
500A107
500A107 7/64,Cobalt Jobber Drills
500A108
500A108 1/8,Cobalt Jobber Drills
500A109
500A109 9/64,Cobalt Jobber Drills
500A110
500A110 5/32,Cobalt Jobber Drills
500A111
500A111 11/64,Cobalt Jobber Drill
500A112
500A112 3/16,Cobalt Jobber Drills
500A113
500A113 13/64,Cobalt Jobber Drill
500A114
500A114 7/32,Cobalt Jobber Drills
500A115
500A115 15/64,Cobalt Jobber Drill
500A116
500A116 1/4,Cobalt Jobber Drills
500A117
500A117 17/64,Cobalt Jobber Drill
500A118
500A118 9/32,Cobalt Jobber Drills
500A119
500A119 19/64,Cobalt Jobber Drill
500A120
500A120 5/16,Cobalt Jobber Drills
500A121
500A121 21/64,Cobalt Jobber Drill
500A122
500A122 11/32,Cobalt Jobber Drill

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