https://www.auveco.com/img/product/11310_1-B.jpg?fv=8D26269421AE7B0194F8F14995D661A9-8437METRIC THINSHEET NUTSERT M8-1.25 100pc Thread : M8-1.25
Barrel Diameter : 12.67MM Max.
Hole Size : 12.71-12.80MM
Grip Range : 1.02-5.08MM
Drill Size : 1/2"
Overall Length : 18.29MM Max.
Flange Diameter : 13.72MM Ref.
Class : Type 11, 3
Finish : Zinc
Material : Steel