... to 20mm (1/4 to 3/4-inch) Length: 8 to 200mm (5/16 to 8-inch)4)Thread: MM, UNC, UNF and BSW5 ... )Can be made with different tensile strength, such as Class 4.6, 4.8 ... , 5.6, 5.8,6.8, 8.8, 10.9 and 12.9, inperial grade 2 ... , 5, 8 and 106)Can be supplied with different finish ...