Product Description
DRILLCO Series 500A 121 is a size 21/64 heavy duty, fractional drill bit in cobalt with a straight shank, an overall length of 4-5/8 inches and a flute length of 3-5/16 inches.
- 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.
6 bits per pack.
Additional information
| Weight | 0.5 lbs |
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| Edp | |
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| Category 2 | |
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| Flute Length | |
| Shank Type | |
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