DIAMETER
INCH
( m/m ) |
TOP PLATE SIZE
INCH
( m/m ) |
BOLT HOLE SPACING
INCH
( m/m ) |
BOLT HOLE SIZE
INCH
( m/m ) |
TOP PLATE NUMBER |
| 2 |
17/8 x 25/8
( 48 x 68 ) |
15/16 x 21/8
( 24 x 54.5 ) |
1/4
( 6.8 ) |
G1 |
21/2
|
23/4 x 37/8
( 70 x 98 ) |
13/4 x 3 - 31/16
( 45.5 x 76.5 - 78.5 ) |
5/16
( 8 ) |
G2 |
| 3 |
31/8 x 41/8
( 79 x 106 ) |
23/8 x 33/8 - 37/16
( 60 x 85 - 88 ) |
11/32
( 8.8 ) |
G3 |
| 4 |
4 x 5
( 100 x 127 ) |
3 x 4
( 76 x 101 ) |
13/32
( 10.5 ) |
G4 |
