Bore
- 0.197 in. [5 mm] Hex (4)
- 0.236 in. [6 mm] Round (remove)
- 0.313 in. [8 mm] (5/16) NUB Bore (2)
- 0.313 in. [8 mm] (5/16) Round (3)
- 0.375 in. [9.5 mm] (3/8) Hex (13)
- 0.375 in. [9.5 mm] (3/8) Round (1)
- 0.500 in. [12.7 mm] (1/2) Hex (10)
- 0.500 in. [12.7 mm] (1/2) Round (1)
- 0.551 in. [14 mm] Hex (1)
- 0.750 in. [19.1 mm] (3/4) Round (1)
- 0.875 in. [22.3 mm] (7/8) Round (1)
- 1.125 in. [28.6 mm] (1-1/8) Bearing Bore (3)