BSPP Whitworth Pipe Thread DIN ISO 228 (DIN 259)

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• ► BSPP Whitworth PipeThread (GB) DINISO 228 (DIN 259)
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British Standard Pipe Parallel Thread, with sealant compound,(parallel, cylindrical), external = G. The flank angle is 55°.

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NominalDiameter	MajorDiameterInch	MajorDiametermm	Minor DiamterNutmm	TappingDrill Sizemm	TPI	Pitchmm
G 1/16"	0.304	7.722	6.843	6.561	28	0.907
G 1/8"	0.383	9.728	8.848	8.565	28	0.907
G 1/4"	0.518	13.157	11.890	11.445	19	1.337
G 3/8"	0.656	16.662	15.395	14.950	19	1.337
G 1/2"	0.825	20.955	19.172	18.633	14	1.814
G 5/8"	0.902	22.911	21.128	20.587	14	1.814
G 3/4"	1.041	26.441	24.658	24.120	14	1.814
G 7/8"	1.189	30.201	28.418	27.877	14	1.814
G 1"	1.309	33.249	30.931	30.292	11	2.309
G 1 1/8"	1.492	37.897	35.579	34.939	11	2.309
G 1 1/4"	1.650	41.910	39.592	38.953	11	2.309
G 1 3/8"	1.745	44.323	42.005	41.365	11	2.309
G 1 1/2"	1.882	47.803	45.485	44.846	11	2.309
G 1 5/8"	2.082	52.883	50.566	49.926	11	2.309
G 1 3/4"	2.116	53.746	51.428	50.788	11	2.309
G 1 7/8"	2.244	56.998	54.681	54.041	11	2.309
G 2"	2.347	59.614	57.296	56.657	11	2.309
G 2 1/4"	2.587	65.710	62.752	63.392	11	2.309
G 2 1/2"	2.960	75.184	73.391	72.227	11	2.309
G 2 3/4"	3.210	81.534	78.576	79.216	11	2.309
G 3"	3.460	87.884	86.289	84.927	11	2.309
G 3 1/2"	3.950	100.330	97.372	98.012	11	2.309
G 4"	4.450	113.030	111.733	110.073	11	2.309
G 4 1/2"	4.950	125.730	122.772	123.412	11	2.309
G 5"	5.450	138.430	137.332	135.473	11	2.309
G 5 1/2"	5.950	151.130	148.172	148.812	11	2.309
G 6"	6.450	163.830	162.732	160.873	11	2.309
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