Unc-2b thread July 8, 2019 16 32 64 128 Unc-2b thread meaning Unc-2b thread chart Unc 2b thread dimensions 138 32 unc 2b thread 8 32 unc 2b thread 164 32 unc 2b thread 5 40 unc 2b thread 4 40 unc 2b thread 1 8 unc 2b thread 2 56 unc 2b thread 112 40 unc 2b thread
