TR Fastenings' range of blind rivet nuts includes reduced head open end knurled body (imperial hole, reduced head open end plain body (imperial hole), reduced head open end hexagon body (imperial hole), reduced head open end knurled body. Dimensions are provided.
Comment: The UK is closer to deindustrialisation than reindustrialisation
"..have been years in the making" and are embedded in the actors - thus making it difficult for UK industry to move on and develop and apply...