The big pin for TAD should be a 3/8x12. I personally think that joint pin on a TAD makes it hit just a hair softer.
I think you are right .. I get confused with these weird pins, 3/8x12 on Tad, 3/8x14 on Bender and I think 3/8x16 on Omega/DPKs and I think 3/8x12 on E. Martinez cue