Таблица соответствия различных типов и стандартов резьб

Внешний диаметр	Внутренний диаметр	Шаг резьбы / число ниток на дюйм	Метрическая резьба	G≈BSP	NPT	UNF
3.8-3.9	3.2-3.4	0.7	М4
4.0-4.2	3.4-3.6	36				Nr.8
4.6-4.8	4.0-4.2	32				Nr.10
4.8-4.9	4.1-4.3	0.8	М5
5.7-5.9	4.9-5.2	1.0	М6
7.7-7.9	6.9-7.2	1.0	М8х1
7.7-7.9	6.6-6.9	1.25	М8
7.7-7.9	6.8-7.1	24				5/16x24
≤7.9	≥6	27			1/16
9.5-9.7	8.5-8.8	28		G1/8
9.7-9.9	8.9-9.2	1.0	M10xl
9.7-9.9	8.6-8.9	1.25	M10x1.25
9.7-9.9	8.4-8.7	1.5	М10
≤10.3	≥8.3	27			1/8
10.9-11.1	9.7-10.0	20				7/16x20
11.7-11.9	10.6-10.9	1.25	М12х1.25
11.7-11.9	10.4-10.7	1.5	M12xl.5
11.6-11.9	10.1-10.4	1.75	М12
12.5-12.7	11.3-11.7	20				1/2x20
12.9-13.2	11.4-11.9	19		G1/4
≤13.7	≥10.7	18			1/4
15.7-15.9	14.4-14.7	1.5	M16xl.5
15.7-15.9	13.8-14.2	2.0	М16
15.7-15.9	14.4-14.7	16				5/8x16
16.4-16.7	14.9-15.4	19		G3/8
≤17.1	≥14.2	18			3/8
18.8-19.1	17.3-17.8	16				3/4x16
19.7-19.9	18.9-19.2	1.0	М20х1
19.7-19.9	18.4-18.7	1.5	М20х1.5
19.6-19.9	17.3-17.7	2.5	М20
20.7-20.9	18.6-19.2	14		G1/2
≤21.3	≥17.4	14			1/2
21.7-21.9	20.4-20.7	1.5	М22х1.5
21.9-22.6	20.3-20.8	14				7/8x14
23.7-23.9	22.4-22.7	1.5	М24х1.5
23.6-23.9	20.8-21.3	3.0	М24
25.1-25.4	23.1-23.6	12				1x12
26.2-26.4	24.1-24.7	14		G3/4
26.6-26.9	24.8-25.2	2.0	М27х2
≤26.7	≥22.5	14			3/4
28.3-28.6	26.3-26.8	12				11/8x12
29.7-29.9	28.4-28.7	1.5	N130x1.5
31.5-31.7	29.5-30.0	12				11/4x12
32.9-33.2	30.3-30.9	11		G1
≤33.4	≥28.5	11 1/2			1
35.7-35.9	34.4-34.7	1.5	М36х1.5
35.6-35.9	33.8-34.2	2.0	N136x2.0
37.7-37.9	36.4-36.7	1.5	М38х1.5
37.8-38.1	35.8-36.4	12				1 1/2x12
41.6-41.9	38.9-39.6	11		G1 1/4
41.7-41.9	40.4-40.7	1.5	М42x1.5
41.6-41.9	39.8-40.2	2.0	М42х2
≤42.2	≥37.0	111/2			11/4
44.7-44.9	43.4-43.7	1.5	М45х1.5
47.4-47.S	44.8-45.5	11		G1 1/2
46.7-47.9	45.8-46.2	2.0	N148x2		R11/2
≤48.3	≥43.5	11 1/2			11/2
59.3-59.6	56.7-57.3	11		G2
59.7-59.9	58.4-58.7	1.5	М60x1.5		R2
≤60.3	≥55.0	11 1/2			2
79.7-79.9	78.4-78.7	1.5	М80х1.5

Метрическая ISO-резьба, G-Трубная резьба по DIN ISO 228 (BSP), NPT-Коническая трубная, UNF-Мелкая резьба.