Model NO.: MRSSB18 Standard: ASTM, AISI, GB, DIN, EN Certification: ISO Technique: Cold Rolled Grades: 4.6 4.8 5.6 8.8 Trademark: MR Origin: Qingdao. China Type: Stainless Steel Bars Grade: 300 Series Shape: Round Surface Treatment: Bright Length: Various Specification: ISO, ASTM, DIN HS Code: 73089000 ASTM DIN Stainless Steel Fully Threaded Bars/RodsPrecision thread rolling techniques employed at Rolled Threads and threaded rod with superior strength, finish and dimensional integrity with accurate lead tolerances. We offer the broadest size range in the industry: .0312" thru 7" diameter. All the major thread forms are rolled: Unified, UNJ, Metric, Acme, Trapezoidal, Worms, Knurls and special configurations. Carbon and alloy steel, stainless steel, nickel alloys, brass and aluminum are available in all the thread forms.Double Ended StudsWe offers custom made double ended studs in Unified, UNJ , Metric and MJ forms from 1/8" thru 7 ½" diameters . Classes of fit include 1A,2A 3A and interference. We capable of rolling studs with hardness of RC 40 and higher. Double ends can be produced to these and many other specifications: ASTM A-193, ASTM A354, SAE J-429, ASME 818.2.1-1996, ASTMA320/320M August 03, 2018