Thread Rolling & Grinding - Horst Engineering
Thread types: 60º thread form/machine screw type threads, Safety Critical Threads Forms: UNR, UNF, UNC, UNJ, UNJF, UNJC (classes 1A, 2A, 3A, 5A) Metric forms: ISO and DIN (classes 6g and 4g6g) Sizes:.078 inch (2mm) to 2.500 inch (63mm) Material Hardness: Up to Rc45 depending on material type and size Approvals include: AS Specifications (e.g. AS7460, AS7466), Pratt &