... has UL, FM and iso9000 certificate . MECHANICAL SNAP TEES GROOVED OUTLETBrief introduction Mechanical Snap Tees serve as a joing device providing ... measuring tools, cutters and other instruments our pipe fittings are ensured for their durability, even surface lustre, ... etc standard thread. Regularly available are the following items: Elbow, tee, cross. Socket, union, bushing, backnut, flange, nipple, ...