https://www.aspenfasteners.com/m16-2-0-x-45mm-din-939-metric-double-ended-stud-with-plain-center-screw-in-end-1-25-x-diameter-grade-8-steel-plain/
Double-Ended Studs M16-2.0 X 45mm Class 8.8 Steel DIN 939 ME390
Buy Online from Aspen Fasteners | Free Shipping | M16-2.0 X 45mm DIN 939, Metric, Studs, Double-Ended, Screw-in End 1.25 X Diameter, Class 8.8 Steel
double ended studs