2015BS ISO 17447-1:2015 Road Vehicles. Glow-plugs with conical seating and their cylinder head housing. Basic characteristics and dimensions for metal-sheath-type glow-plugs
2010BS ISO 6550-4:2009 Road vehicles - Sheath-type glow-plugs with conical seating and their cylinder head housing - M8 x 1 glow-plugs