We offer din 71803 ball stud. * standard: din 71803 * specification:as per the attached pdf file or as per customer requirement * material: en 1al, en 1al case hardened, en 8, en 8 hardened, s.s. 304, s.s. 316 * threading: right hand (r.h.) * surface treatment: clearyellow zinc plated, olive green zinc plated, black oxide, trivalent zinc plated, dacromet, geome