Incredibit Sonde Housing – 3″ x 3″ Rotolock (B)


Railhead Housings and Rock Bits incorporate the patented ‘Stress Relief Structure’ with the “key and keyway” design to take much of the side stress off the bolts. This reduces tool loss due to bolts breaking. The newly designed rounded door incorporates another patent with the “Door Hold Down Tabs”. Simply drop the door in place, slide it back and install the bolts in front of the door. Housings require a Housing Saver which connects to the drill rod or quick connect system being utilized


Engineered to drill through tough rocky conditions. The first tool designed for HDD rock drilling is often imitated but never duplicated. The special cutting action typically allows for steering corrections to be made in half the time as other tools.

Additional information

Housing Type

Rock Housings

Astec Model


Ditch Witch Model

JT1720, JT1720M1, JT20, JT2020, JT2020M1, JT24, JT25

Universal Model


Vermeer Model

D16X20, D16X20A, D16X20SERIES II, D18X22, D20X22, D20X22 SERIES II, D20X22S3, D23X30S3


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