There Are Mainly Two Types Of Gas Cock Inner Thread & Outer Thread, This Valve Is Suitable For Your Gas Stove & Made From Brass Forging Material As Per Is319 Quality Standard & All Other Components Made From Is3488 Brass. The Gas Inlet Connection Thread Is 1/8 Bsp & Outlet Thread Is 1/4 Bspt With Angle Of 0 Degree Which Are Fitted With Two 3/16 Bsw Screw & Diffrent Size Of Aluminium Bundy Pipe & Jet In Gas Stove. All Gas Valve Are 100 Percent Tested According To Is4246 Standards.