Our M3 metric fine and ultra fine unbraked bushings or carriers deliver precision smooth movements in the most demanding OEM applications. Our bushings or carriers are available standard in 360 HO2 brass. Standard lengths from 5 mm to 9 mm. Our bushings can be supplied upon request with specified: Optional Materials Lengths and diameters OD threads Braked bushings Our highly developed proprietary machining and custom modified machines enable us to produce our 0.25 mm, 0.20 mm pitch adjusters to standards that exceed industry standards. Note: Kozak Micro cannot guarantee that our screws and bushings will be compatible with screws and bushings sold by other manufacturers.