39 NEW L Timing Belt Pulleys – 3/8" Pitch STEEL DOUBLE FLANGE 10 12 14 16 17 18 19 20 21 22 24 26 28 30 32 A  6F  4-10DF5012 A  6F  4-10DF5016 A  6F  4-12DF5012 A  6F  4-12DF5016 A  6F  4-14DF5012 A  6F  4-14DF5016 A  6F  4-16DF5012 A  6F  4-16DF5016 A  6F  4-17DF5012 A  6F  4-17DF5016 A  6F  4-18DF5012 A  6F  4-18DF5016 A  6F  4-19DF5012 A  6F  4-19DF5016 A  6F  4-20DF5012 A  6F  4-20DF5016 A  6F  4-21DF5012 A  6F  4-21DF5016 A  6F  4-22DF5012 A  6F  4-22DF5016 A  6F  4-24DF5012 A  6F  4-24DF5016 A  6F  4-26DF5012 A  6F  4-26DF5016 A  6F  4-28DF5012 A  6F  4-28DF5016 A  6F  4-30DF5012 A  6F  4-30DF5016 A  6F  4-32DF5012 A  6F  4-32DF5016 *O.D. Tolerance:  10 to 17 grooves is  +.003, -.000           18 to 32 grooves is  +.004, -.000 F.D.  O.D. B C SET SCREW D D/2 25/32 E SECTION  A–A Catalog Number O.D.* F.D. ± 1/64 Set Screw C Hub Dia. ± 1/64 D Hub Proj. B Bore + .001 - .000 E Length ± 1/64 FOR 1/2" BELTS MATERIAL:  Steel FINISH:  Black Oxide .375 .500 .375 .500 .375 .500 .375 .500 .375 .500 .375 .500 .375 .500 .375 .500 .375 .500 .375 .500 375 .500 .375 .500 375 .500 .375 .500 .375 .500 1.194 1.432 1.671 1.910 2.029 2.149 2.268 2.387 2.507 2.626 2.865 3.104 3.342 3.581 3.820 P.D. (REF) 1.164 1.402 1.641 1.880 1.999 2.119 2.238 2.357 2.477 2.596 2.835 3.074 3.312 3.551 3.790 1.42 1.65 1.89 2.13 2.24 2.36 2.52 2.62 2.76 2.95 3.11 3.39 3.58 3.82 4.02 23/64 31/64 31/64 39/64 39/64 39/64 39/64 39/64 43/64 47/64 47/64 47/64 47/64 47/64 55/64   .81 1.06 1.13 1.44 1.50 1.56 1.63 1.69 1.88 2.00 2.25 2.25 2.25 2.25 2.56 1-9/64 1-1/4 1-1/4 1-25/64 1-25/64 1-25/64 1-25/64 1-25/64 1-7/16 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 1-41/64 #10–24 #10–24 #10–24 1/4–20 1/4–20 1/4–20 1/4–20 1/4–20 1/4–20 1/4–20 1/4–20 1/4–20 1/4–20 1/4–20 1/4–20