stainless steel hexagon head cap silicasol shell technology ISO9001 QUALITY SYSTEM CASTING stainless steel hexagon head cap1.size range :1/8"-4"2 ... .products range:stainless steel elbow,tee,crosses,nut,plug,nipple, cap,bushing. Unions.ball valve and other stainless steel products according ... at your service at any time! stainless steel hexagon head cap