STUD ASSEMBLY TYP:BOLT DIA:5/8IN THD:UNC 11TPI LG:4-1/4IN MATERIAL: ASTM A193,MATL GR:B7 SURF TRTMNT:FLUOROCARBON COATED STAND-COTE NUT QTY:2 NUT TYP:HEAVY HEX,NUT GR:2H,NUT MATL:CS ASTM A194 40 pcs. EU MANUFACTURED ONLY