- 1/4 TO 1/2 - 1/4UNC (x120), 5/16UNC (x120), 3/8UNC (x50), 1/2UNC (x30). - STORAGE BOX - Supplied in a partitioned box. - COARSE THREAD - Imperial UNC nuts designed for use with UNC Bolts and studs. - HIGH QUALITY - Manufactured to DIN 934…View more