G Whitworth - Rohrgewinde n. DIN ISO 228 (DIN 259)
Gewinde- diam."	g/".	Mutter- gewinde min.mm.	Kern- diam max.mm.	Bohrer- diam.mm.
G1/16	28	6,561	6,843	6,8
G1/8	28	8,566	8,848	8,8
G1/4	19	11,445	11,890	11,8
G3/8	19	14,950	15,395	15,25
G1/2	14	18,631	19,172	19
G5/8	14	20,587	21,128	21
G3/4	14	24,117	24,658	24,5
G7/8	14	27,877	28,418	28,25
G1	11	30,291	30,931	30,75
G1 1/8	11	34,939	35,579	35,5
G1 1/4	11	38,952	39,592	39,5
G(1 3/8)	11	41,365	42,005	42
G1 1/2	11	44,845	45,485	45,25
G(1 5/8)	11	49,030	49,670	49,5
G1 3/4	11	50,788	51,428	51,3
G2	11	56,656	57,296	57,2
G2 1/4	11	62,752	63,392	63,3
G(2 3/8)	11	66,440	67,080	67
G2 1/2	11	72,226	72,866	72,8
G2 3/4	11	78,576	79,216	79,1
G3	11	84,926	85,566	85,5