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Choose from hundreds of HDD drilling adapter configurations for your bolt on transmitter housing, sub-site transmitter housing or backreamer. We have a full line of in-stock adapters for the most popular configurations as well as the option to custom build your own through FastAdapt. Adapters are available for same-day shipping to get your drill back in the ground fast. Getting the right thread is important for your rig, contact us to speak with an HDD drilling adapter expert.