Secure machinery placement: The fullthread shaft rod bar stud secures components and equipment in place, making it a key element in the assembly of machines and machine tools. Specifications and compatibility: Available 1 to 10 pieces per , in sizes M4 to M16, made from 304 stainless steel. Doubleended threaded rod with left and right threads. Product name: Left and Right Thread Double End Thread Rod Stud Bolts. Design and benefits: Dualhead design with positive and negative threads on both ends; easy to install and remove; suitable for applications that require frequent adjustment or fixing. Installation and performance: Outer hexagonal head design for easy installation with standard spanners or hex wrenches; provides better torque control and ensures firm tightening. Use scenarios: Securing fixtures and tooling on CNC milling machines, drill presses, or other equipment where stable alignment is required but adjustments may be needed during operation. Fastening and adjusting jigs, fixtures, or robotic assemblies in production lines that require periodic repositioning or reconfiguration. Maintenance or tasks on heavy machinery where components must be held precisely in place for inspection, alignment, or replacement, with quick removal and reinstallation.