16-18UNC 4131-5D1 4131-5D1B 3/4-10UNC 4131-3B1 4131-3B1B No. 1-64UNC 4131-11 – 5/16-24UNF 4131-5D2 4131-5D2B 3/4-16UNF 4131-3B2 4131-3B2B No. 1-72UNF 4131-12 – 5/16-32UNEF 4131-5D3 4131-5D3B 3/4-20UNEF 4131-3B3 4131-3B3B No. 2-56UNC 4131-21 – 3/8-16UNC 4131-3C1 4131-3C1B 13/16-16UN 4131-13D516 – No. 3-56UNF 4131-32 – 3/8-24UNF 4131-3C2 4131-3C2B 13/16-20UNEF 4131-13D3 – No. 4-40UNC 4131-41 4131-41
