Description
The Heavy-Duty Column Clamp is a necessity for surveyors as it mounts to structural columns for stability and support for heavy instruments with 5/8-11” threads. It is constructed from durable structural aluminum and outfitted with stainless steel hardware. Our column clamp can support all 5/8 x 11” instruments with a max load of 2,200 lbs. With the help of the ratchet clamp, a stable connection to round or square columns is achievable. A locking lever is provided to secure the adjustable column that can rotate and move vertically to orient your instrument’s height. The centerline of the 5/8 – 11” stud to the adjustable column is 15 inches and is equipped with a fine adjustment bolt that provides even more grip and stability.

WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to


