Standards: AIA/NAS; AN/MS Size: #0; #1; #2; #4; #6; #8; #10; #12; 1/4"; 5/16"; 3/8"; 7/16"; 1/2"; 5/8"; 3/4"; M1.6; M2; M2.5; M3; M3.5; M4; M5; M6; M8; M10; M12; M14 ...