We are one of the recommended Stainless Steel 347 Fasteners manufacturers in India. ASTM A193 347 Bolts is the most common use of flanges in industries. Stainless steel UNS S34700 nuts also have excellent forming and welding properties. SS WERKSTOFF NR. 1.4550 fasteners with 150LB and 300LB ratings are maintained in slip-on, blind, threaded, and weld neck forms.