Base to Bore Centerline

0.75 in.
1 in
1-1/4 in
1-11/16 in
1-13/16 in
1-15/16 in
1-3/4 in
1-5/16 in
1-7/16 in
1-7/8 in
1-9/16 in
1.06 in
1.31 in
1.313 in
1.437 in
1.44 in
1.56 in
1.63 in
1.69 in
1.81 in
1.813 in
1.875 in.
1.88 in
1.937 in
1.94 in
100 mm
112 mm
12 in
150 mm
2-1/16 in
2-1/2 in
2-1/4 in
2-1/8 in
2-11/16 in
2-3/16 in
2-3/4 in
2-3/8 in
2-7/16 in
2.06 in
2.13 in
2.19 in
2.44 in
2.63 in
2.76 in
2.88 in
3 in
3-1/2 in
3-1/4 in
3-1/8 in
3-3/4 in
3.13 in
3.15 in
33.3 mm
33.4 mm
36.5 mm
4 in
4-1/2 in
4-1/4 in
4-1/8 in
4-3/4 in
4.13 in
4.94 in
41.3 mm
42.9 mm
47.6 mm
49.2 mm
5 in
5-1/2 in
5-1/4 in
5-3/4 in
54 mm
57.2 mm
6 in
6.31 in
6.69 in
60 mm
63.5 mm
69.9 mm
7-1/2 in
7-7/8 in
7.06 in
7.88 in
7/8 in
70 mm
76.2 mm
8-1/4 in
80 mm
82.6 mm
88.9 mm
9-1/2 in
9.88 in
95 mm
95.3 mm