2" TUNGSTEN ROCK BORING DRILL BITS Sandvik Coromant R32 51 0/4, 7733-6651-40 Sandvik Coromant R32 51 4/2, 7733-0451-80? The diameter of the heads is approx 2-1/16". I suspect these would be used for placing explosive charges. If their is a problem, email first. (please look at our rules and privacy policy) |
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