SOLISTRAND, Budget and DIAMOND GRIP Uninsulated Terminals and Splices Catalog 65505 Revised 9-00 Ring Tongue Terminals (Continued) Wire Size Range AWG 6 to 4, CMA 20,800 to 52,600 [10.5 to 26.7 mm2] Material Terminal Body — Copper per ASTM B-152 Plating — Tin per MIL-T-10727 C A Wire Size Circular Mils [mm2] Stud Size Style C C 10 C C 1/4 M6 6 20,800–33,100 [10.5–16.8] 5/16 M8 C C C C 3/8 A 7/16 1/2 M12 C C A 5/8 A 3⁄4 A A 10 C 1/4 M6 4 33,100–52,600 [16.8–26.