Terex® Spin Bottom Barrels are available in a wide range of diameters and types.

Standard specifications are as follows:

• Various Kelly Box sizes

• 3/4” wall thickness.

• 40” barrel length

• Relief cuts in top for reduced crowd pressure.

Spin-Bottom Clean-out

Used to remove fluid type (mud) material from drilled shaft when material does not adhere to auger flighting.

Spin-Bottom/Drill

Used for drilling loose sandy soil, small cobble stones, and mud conditions when material does not adhere to auger flighting.