special nuts, bolts and washers are made by
machining as well as header and roll threading process, depending upon the
requirement and precision and types of threads. We supply UN/UNF, NPT/NPTF,
BSPP (BSP, parallel), BSPT (BSP, tapered), metric parallel, and metric
tapered threads in different sizes on SS 304, 316, 303, 410, 430, Steel, and
special materials such as Inconel 625 / 718 and plastic. Other grades being
8.8, 9.8, 10.9 and 12.9.