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°.

Gewinde- kennung	Durchmesser Inch	Durchmesser außen mm	Durchmesser Mutter mm	Durchmesser Kernloch mm	Gänge je Inch	Steigung mm
G 1/16"	0,063	7,722	6,843	6,561	28	0,907
G 1/8"	0,125	9,728	8,848	8,565	28	0,907
G 1/4"	0,250	13,157	11,890	11,445	19	1,337
G 3/8"	0,375	16,662	15,395	14,950	19	1,337
G 1/2"	0,500	20,955	19,172	18,633	14	1,814
G 5/8"	0,625	22,911	21,128	20,587	14	1,814
G 3/4"	0,750	26,441	24,658	24,120	14	1,814
G 7/8"	0,875	30,201	28,418	27,877	14	1,814
G 1"	1,000	33,249	30,931	30,292	11	2,309
G 1 1/8"	1,125	37,897	35,579	34,939	11	2,309
G 1 1/4"	1,250	41,910	39,592	38,953	11	2,309
G 1 3/8"	1,375	44,323	42,005	41,365	11	2,309
G 1 1/2"	1,500	47,803	45,485	44,846	11	2,309
G 1 5/8"	1,625	52,883	50,566	49,926	11	2,309
G 1 3/4"	1,750	53,746	51,428	50,788	11	2,309
G 1 7/8"	1,875	56,998	54,681	54,041	11	2,309
G 2"	2,000	59,614	57,296	56,657	11	2,309
G 2 1/4"	2,250	65,710	62,752	63,392	11	2,309
G 2 1/2"	2,500	75,184	73,391	72,227	11	2,309
G 2 3/4"	2,750	81,534	78,576	79,216	11	2,309
G 3"	3,000	87,884	86,289	84,927	11	2,309
G 3 1/2"	3,500	100,330	97,372	98,012	11	2,309
G 4"	4,000	113,030	111,733	110,073	11	2,309
G 4 1/2"	4,500	125,730	122,772	123,412	11	2,309
G 5"	5,000	138,430	137,332	135,473	11	2,309
G 5 1/2"	5,500	151,130	148,172	148,812	11	2,309
G 6"	6,000	163,830	162,732	160,873	11	2,309