​冷却接头SC224 1/4 .71 SC326 3/8 .97 SC524 1/2 1.21 SC225 5/16 .71 SC328 1/2 .97 SC526 3/4 1.21 SC226 3/8 .71  SC200B 1/8 SC300B 1/4 SC500B 1/2 SC200B-4 1/4 SC300B-4 3/8 200 SERIES (1/4” Hole) 250 1/16 3/16 .75 .75 .94 250F 1/16 1/4 .75 251 1/8 1/4 .87 .75 .94 251F 1/8 1/4 1.00 252 1/4 1/4 1.00 .94 1.13 252F 1/4 1/4 1.25 253 3/8 1/4 1.12 .94 1.19 253F 3/8 1/4 1.16 300 SERIES (3/8” Hole) 351 1/8 1/4 1.00 1.00 1.20 351F 1/8 11/32 1.00 352 1/4 3/8 1.00 1.09 1.34 352F 1/4 3/8 1.34 353 3/8 3/8 1.12 1.13 1.38 353F 3/8 3/8 1.34 354 1/2 3/8 1.50 1.25 1.59 354F 1/2 3/8 1.57 500 SERIES (1/2” Hole) 552 1/4 3/8 1.37 1.37 1.62 552F 1/4 7/16 1.25 553 3/8 1/2 1.37 1.37 1.62 553F 3/8 9/16 1.37 554 1/2 5/8 1.50 1.50 1.75 554F 1/2 5/8 1.75 556 3/4 5/8 1.75 1.56 1.90 556F 3/4 5/8 1.75  200 SERIES (6.35MM Hole) 251-BSPT 1/8 9 24 15 6 9 11 251F-BSPT 1/8 6 25 252-BSPT 1/4 9 29 17 6 12 14 252F-BSPT 1/4 6 33 300 SERIES (9.525MM Hole) 351-BSPT 1/8 13 30 20 9 10 14 351F-BSPT 1/8 8 25 352-BSPT 1/4 13 34 21 9 13 14 352F-BSPT 1/4 8 34 353-BSPT 3/8 13 35 21 9 14 17 353F-BSPT 3/8 8 34 500 SERIES (12.7MM Hole) 553-BSPT 3/8 20 41 27 14 14 21 553F-BSPT 3/8 14 35 554-BSPT 1/2 20 43 24 16 19 22 554F-BSPT 1/2 15 45