M4×0.25 ~ M6 Precision Adjustment Screw, Fine Thread Thread Pair, Brass Micro Adjustment Screw with Steel Ball Tip
M4×0.25 - M6
This M4×0.25 to M6 precision adjustment screw adopts fine thread pair design. It features brass body with steel ball tip and knurled hand knob for tool-free micro adjustment. Excellent repeat positioning accuracy, smooth feeding and reliable locking. Widely applied in optical platforms, inspection jigs, lab instruments and precision positioning assemblies. OEM & custom machining available, factory direct supply.
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M4×0.25 - M6 Precision Adjustment Screw
Our precision adjustment screws cover specifications from M4×0.25 fine thread to M6. Made with brass housing and steel ball contact tip, equipped with knurled hand knob for manual fine-tuning without extra tools. The fine thread design delivers micro feed and excellent repeat positioning accuracy. Smooth movement and reliable locking keep the position stable after adjustment. Wear-resistant and anti-corrosion for long service life.
Key Features
✅ Brass body, good rigidity, anti-rust & wear resistance
✅ Fine thread pair, micron-level micro adjustment, precise feeding
✅ Steel ball tip, point contact, will not scratch workpiece surface
✅ Knurled hand knob, tool-free manual adjustment & locking
✅ Modular structure, custom sizes & OEM/ODM available
✅ Multiple specifications in stock, fast delivery
Applications
Widely used for optical platforms, inspection jigs & fixtures, laboratory test equipment, automation tooling, optical instruments and precision positioning assemblies.
Factory direct supply. We support custom machining according to your drawings. Bulk orders welcome, contact us for quotation and samples.
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