Paralleles Whitworth-Rohrgewinde
DIN ISO 228 (DIN 259)
BSPP (British Standard Pipe Parallel)

Rohrgewinde für nicht im Gewinde dichtende Verbindungen (zylindrisch), G = aussen
Der Flankenwinkel beträgt 55°.

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Gewinde- kennung	Durchmesser Inch	Durchmesser außen mm	Durchmesser Mutter mm	Durchmesser Kernloch mm	Gänge je Inch	Steigung mm
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