Cord Grip & Accessories

Thread Dimensions & Hole Sizes

Thread Standards
Metric acc. to EN 60423

Size	Outer Diameter max. (OD)		Mounting Hole Diameter max. (MO)
	inch	mm	inch	mm
M12	0.472	12	0.480	12.2
M16	0.630	16	0.638	16.2
M20	0.787	20	0.795	20.2
M25	0.984	25	0.992	25.2
M32	1.260	32	1.268	32.2
M40	1.575	40	1.583	40.2
M50	1.969	50	1.980	50.3
M63	2.480	63	2.492	63.3
M72	2.953	75	2.846	72.3
M75	2.953	75	2.965	75.3
M80	3.150	80	3.161	80.3
M85	3.346	85	3.358	85.3
M90	3.543	90	3.555	90.3
M100	3.937	100	3.949	100.3
M110	4.331	110	4.343	110.3

Thread Standards
PG acc. to DIN 40430

Size	Outer Diameter max. (OD)		Mounting Hole Diameter max. (MO)
	inch	mm	inch	mm
PG 7	0.492	12.5	0.500	12.7
PG 9	0.598	15.2	0.606	15.4
PG 11	0.732	18.6	0.740	18.8
PG 13.5	0.803	20.4	0.815	20.7
PG 16	0.886	22.5	0.894	22.7
PG 21	1.114	28.3	1.122	28.5
PG 29	1.457	37.0	1.465	37.2
PG 36	1.850	47.0	1.862	47.3
PG 42	2.126	54.0	2.138	54.3
PG 48	2.335	59.3	2.346	59.6

Thread Standards
NPT acc. to ANSI B1.20.1

Size	Outer Diameter max. (OD)		Mounting Hole Diameter max. (MO)
	inch	mm	inch	mm
NPT 1/4"	0.540	13.7	0.551	14.0
NPT 3/8"	0.675	17.2	0.689	17.5
NPT 1/2"	0.840	21.3	0.846	21.5
NPT 3/4"	1.050	26.7	1.063	27.0
NPT 1"	1.315	33.4	1.339	34.0
NPT 1 1/4"	1.660	42.2	1.673	42.5
NPT 1 1/2"	1.900	48.3	1.909	48.5
NPT 2"	2.375	60.3	2.382	60.5