Shaft Drill Locator Stop Collars Fixing Ring 5mm 6mm 7mm 8mm 10mm 12mm - 5mm hole

Metal bushing, cylindrical, with a fastening hole in the center, has been equipped with screws for clamping the shaft. Bit limit ring fixing ring optical axis bit positioner limiter positioning ring positioning ring [size]: Inner diameter 3.05, outer diameter 8mm, thickness 2.5mm, 1 M3 screw Inner diameter 4.05, outer diameter 9mm, thickness 2.5mm, 1 M3 screw Inner diameter 5.05, outer diameter 10mm, thickness 2.5mm, 1 M3 screw Inner diameter 6.05, outer diameter 11mm, thickness 2.5mm, 1 M3 screw Inner diameter 7.05, outer diameter 12mm, thickness 2.5mm, 1 M3 screw Inner diameter 8.05, outer diameter 13mm, thickness 2.5mm, 1 M3 screw Inner diameter 10.05MM, outer diameter 15mm, thickness 2.5, 2 pairs of fixing screws M4 Inner diameter 12.05MM, outer diameter 17mm, thickness 2.5, 2 pairs of fixing screws M4