R-Axis Rotary Stage For Pro Grade Precision Micro-Adjustment Turntable With 360 Degree Coarse Rotation And Locking Screw And Micrometer Head Aluminum Alloy Platform For Fine Angular Positioning

RS90-L: precise 90mm manual R-axis rotary stage, single unit
✔️ 360° coarse rotation and micrometer fine-tune with brass internals

The RS90-L Manual R-Axis Rotary Stage is a precision positioning platform designed for exact angular alignment in optical setups, lab benches, and small-scale machining. It provides smooth rotation, micro-adjustment, and a robust aluminum body with brass internal components for long-term accuracy.

✅ Table diameter: 90 mm; thickness: 20 mm; weight: 0.50 kg
✅ Rotation range: 360° coarse, ±5° fine adjustment
✅ Load capacity: 29.4 N (approx. 3 kg)
✅ Minimum micrometer division: 0.6 arc-min per division
✅ Material and build: aluminum alloy body with anodized finish; brass inner components
✅ Concentricity: ≤0.03 mm; Parallelism: ≤0.04 mm

💡 What is a manual R-axis rotary stage used for in precision alignment and small-scale machining?

These handy stages give you controlled angular positioning and quick locking for repeatable micro-adjustments. - handy for optical alignment and measurement tasks in labs and workshops - provides locked, repeatable rotation for micro-adjustments - suits precision assembly and tiny machining projects