M4 INTERNAL THREADED SLEEVE ROD BAR STUD ROUND CONNECTOR NUT BOLT MANY OPTIONS
Screw-in Sleeve, with Screwdriver Slot. Length 8 mm, outer Ø 8 mm, core Ø 5.5 mm, M4 internal thread, for Ø 6.2 mm hole. Or Length 10 mm, outer Ø 8 mm, core Ø 5.5 mm, M4 internal thread, for Ø 6.2 mm hole.