SECO Tripod Adapter 3 1/2-8 to 5/8-11

The SECO Tripod Adapter (3 1/2-8 to 5/8-11) is a precision-machined accessory that lets you convert older or legacy tripod threads (3 1/2-8) to the industry-standard 5/8-11 mounting pattern used by most modern surveying instruments, GNSS receivers, prisms, and accessories. It’s the perfect solution for professionals who need flexibility between equipment generations without compromising stability or accuracy.

Built with rugged, durable materials and engineered to tight tolerances, this adapter ensures secure, wobble-free connections — keeping your gear stable across base setups, control shots, and precision layouts. With easy installation and reliable holding force, it’s a practical must-have for any surveyor, construction crew, or field technician who works with mixed equipment fleets.