Metric Dimensions
150	300	400	600	900	1500	2500
Inch Dimensions
150	300	400	600	900	1500	2500

NPS	O	tf	X
1/2	120	22.3	38
3/4	130	25.4	44
1	150	28.6	52
1-1/4	160	28.6	64
1-1/2	180	31.8	70
2	215	38.1	105
2-1/2	245	41.3	124
3	265	47.7	133
4	310	54	162
5	375	73.1	197
6	395	82.6	229
8	485	92.1	292
10	585	108	368
12	675	123.9	451
14	750	133.4	495
NPS	O	tf	X
16	825	146.1	552
18	915	162	597
20	985	177.8	641
24	1170	203.2	762

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NPS	A	Y	B
1/2	21.3	60	BY P
3/4	26.7	70	BY P
1	33.4	73	BY P
1-1/4	42.2	73	BY P
1-1/2	48.3	83	BY P
2	60.3	102	BY P
2-1/2	73	105	BY P
3	88.9	117	BY P
4	114.3	124	BY P
5	141.3	156	BY P
6	168.3	171	BY P
8	219.1	213	BY P
10	273	254	BY P
12	323.8	283	BY P
14	355.6	298	BY P
NPS	A	Y	B
16	406.4	311	BY P
18	457	327	BY P
20	508	356	BY P
24	610	406	BY P

[google-square-ad]

Templates for drilling of bolt holes

NPS	BCD	BHD	BOLTS	BD
1/2	82.6	7/8	4	3/4
3/4	88.9	7/8	4	3/4
1	101.6	1	4	7/8
1-1/4	111.1	1	4	7/8
1-1/2	123.8	1-1/8	4	1
2	165.1	1	8	7/8
2-1/2	190.5	1-1/8	8	1
3	203.2	1-1/4	8	1-1/8
4	241.3	1	8	1-1/4
5	292.1	1-3/8	8	1-1/2
6	317.5	1-1/2	12	1-3/8
8	393.7	1-3/4	12	1-3/8
10	482.6	2	12	1-7/8
12	571.5	2-1/8	16	2
14	635.0	2-3/8	16	2-1/4
NPS	BCD	BHD	BOLTS	BD
16	704.8	2-5/8	16	2-1/2
18	774.7	2-7/8	16	2-3/4
20	831.8	3-1/8	16	3
24	990.6	3-5/8	16	3-1/2

[google-square-ad]

NPS	SBL RFY	SBL RJ	MBL RF
1/2	110	100	110
3/4	115	110	115
1	125	120	125
1-1/4	125	120	125
1-1/2	140	135	140
2	145	140	145
2-1/2	160	150	160
3	180	170	180
4	195	190	195
5	250	240	250
6	260	255	265
8	290	285	325
10	335	330	345
12	375	370	385
14	405	400	425
NPS	SBL RFY	SBL RJ	MBL RF
16	445	440	470
18	495	490	525
20	540	535	565
24	615	610	650

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Metric Dimensions
150	300	400	600	900	1500	2500
Inch Dimensions
150	300	400	600	900	1500	2500

General Notes

Dimensions are in millimeters, except for diameters of bolts and bolt holes, which are in inch units.