E-Z LOK - 908125-13 E-Z Lok Threaded Insert, Zinc, Hex-Flanged, M8-1.25 Internal Threads, 13mm Length (Pack of 25): Helical Threaded Inserts: Amazon.com: Industrial & Scientific
Amazon.com: 10Pcs Self Tapping Thread Inserts M8 x 1.25 Female and M10 x 1.5 Male Thread Extension Reduce Sleeve Conversion Kit for Aviation, Automobile, Electronic Communication : Automotive