Hex Jam Nut DIN936/DIN439 ANSI Haiyan Fuhong Fastener Co., Ltd Base Info Model NO.：M3 TO M80, 1,4 TO 1"Material：Carbon SteelStandard：DIN, ANSI, JISGrade：8.8Trademark：F1Specification：M3 TO M80, 1,4 TO 1"Origin：China Description Pre：DIN 931 Thread 8.8 Grade Black Carbon Steel Hex Bolt Next：High Quality Class A2-70 Ss Stainless Steel SUS304 Ss 6-Lobe Pan Head Machine Screws Made in China
