Whitworth Pipe Thread DIN ISO 228 BSP (British Standard Pipe)
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Specifications of International Thread Standards
Whitworth Pipe Thread DIN ISO 228 BSP British Standard Pipe Thread, with sealant compound (parallel, cylindrical), external = G
Nominal Major Minor Diamter Tapping TPI Pitch Diameter Diameter Nut Drill Size mm mm mm mm G 1/8" 9,73 8,85 8,80 28 0,907 G 1/4" 13,16 G 3/8" 16,66 G 1/2" 20,95 G 5/8" 22,91 G 3/4" 26,44 G 7/8" 30,20 G 1" 33,25 G 1 1/8" 37,90 G 1 1/4" 41,91 G 1 3/8" 44,32 G 1 1/2" 47,80 G 1 3/4" 53,74 G 2" 59,61 G 2 1/4" 65,71 G 2 1/2" 75,18 G 2 3/4" 81,53 G 3" 87,88 G 3 1/4" 93,98 G 3 1/2" 100,33 G 3 3/4" 106,68 G 4" 113,03
11,89 15,39 19,17 21,13 24,66 28,42 30,93 35,58 39,59 42,00 45,48 51,43 57,29 63,39 72,86 79,21 85,56 91,66 98,01 104,30 110,71
11,80 15,25 19,00 21,00 24,50 28,25 30,75 35,30 39,25 41,70 45,25 51,10 57,00 63,10 72,60 78,90 85,30 91,50 97,70 104,00 110,40
19 1,337 19 1,337 14 1,814 14 1,814 14 1,814 14 1,814 11 2,309 11 2,309 11 2,309 11 2,309 11 2,309 11 2,309 11 2,309 11 2,309 11 2,309 11 2,309 11 2,309 11 2,309 11 2,309 11 2,309 11 2,309