They are drilled and tapped to suit Schrader valve threads.
5 x M14 x 1.5 x 16mm TIME-SERT® INSERTS 16mm length for - Thread Repair
5 x Wurth M14 x 1.5 x 16mm TIME SERT® INSERTS 16mm length - for Thread Repair
1 x Wurth M8 x 1.25 x 16mm TIME SERT® INSERTS 16.2m length - for Thread Repair
4 Hot Pink Dice Valve Tyre Dust Caps Bike Motorcycle Plastic UK Seller ALL CARS
Wurth TIME SERT® INSERT M14 x 1.5 x 16mm length for Oil Sump Pan - Thread Repair
50 x Metal Trim Clip Screw FITS VW AUDI VAG Torx Head M5 x 16mm EQUIV N90974701