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

NPS	O	tf	X
1/2	135	30.2	43
3/4	140	31.8	51
1	160	35	57
1-1/4	185	38.1	73
1-1/2	205	44.5	79
2	235	50.9	95
2-1/2	265	57.2	114
3	305	66.7	133
4	355	76.2	165
5	420	92.1	203
6	485	108	235
8	550	127	305
10	675	165.1	375
12	760	184.2	441
NPS	O	tf	X

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NPS	A	Y	B
1/2	21.3	73	BY P
3/4	26.7	79	BY P
1	33.4	89	BY P
1-1/4	42.2	95	BY P
1-1/2	48.3	111	BY P
2	60.3	127	BY P
2-1/2	73	143	BY P
3	88.9	168	BY P
4	114.3	190	BY P
5	141.3	229	BY P
6	168.3	273	BY P
8	219.1	318	BY P
10	273	419	BY P
12	323.8	464	BY P
NPS	A	Y	B

[google-square-ad]

Templates for drilling of bolt holes

NPS	BCD	BHD	BOLTS	BD
1/2	88.9	7/8	4	3/4
3/4	95.2	7/8	4	3/4
1	108.0	1	4	7/8
1-1/4	130.2	1-1/8	4	1
1-1/2	146.0	1-1/4	4	1-1/8
2	171.4	1-1/8	8	1
2-1/2	196.8	1-1/4	8	1-1/8
3	228.6	1-3/8	8	1-1/4
4	273.0	1-5/8	8	1-1/2
5	323.8	1-7/8	8	1-3/4
6	368.3	2-1/8	8	2
8	438.2	2-1/8	12	2
10	539.8	2-5/8	12	2-1/2
12	619.1	2-7/8	12	2-3/4
NPS	BCD	BHD	BOLTS	BD

[google-square-ad]

NPS	SBL RFY	SBL RJ	MBL RF
1/2	120	115	120
3/4	125	120	125
1	140	135	140
1-1/4	150	145	150
1-1/2	170	165	170
2	180	170	180
2-1/2	195	190	205
3	220	215	230
4	255	250	260
5	300	290	310
6	345	335	355
8	380	375	395
10	490	485	510
12	540	535	560
NPS	SBL RFY	SBL RJ	MBL RF

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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.