12 mm thread size July 8, 2019 16 32 64 128 12 mm thread hole size 12 mm bolt thread size 12 mm thread drill size 12mm x 1.50 thread size 3/4 hex 12mm x 1.50 thread size 13/16 hex 12mm x 1.25 thread size 13/16 hex 12 mm x 1.25 thread size 12mm x 1.25 thread size 3/4 hex 12 mm x 1.50 thread size 12mm x 1.25 thread size 19mm hex