H450TC-3 ASME B1.1 DIN 374 CHARACTERISTICS Technical drawing Profile sketch Tool data ID D1 Ø d1 Tol P l1 l2 d2 a 196059 UNF1/2-20 12.70 2B 1.270 100.0 14.0 9.00 7.0 4 11.40 Product range H450TC-3 UNF1/2-20 2B ID D1 Ø d1 Tol P l1 l2 d2 a 196059 UNF1/2-20 12.70 2B 1.270 100.0 14.0 9.00 7.0 4 11.40 160147 M20x1.5 20.00 6H 1.500 125.0 20.0 16.00 12.0 4 18.50