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  1. Blach Ships

    Connection DI-22

    Well, BECO was engineered by Drilco Industrial (the DI of DI-22) but it is a bit different. DI-22 is commonly used for raiseboring (tension) while BECO is used for blasthole drilling (compression).
  2. Blach Ships

    Connection DI-22

    Ha! It was me in Elsmar Cove... Anyway, DI 22 is propietary. You should contact some gage manufacturer or licensee.

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