Code | Thread | Hexagon | Height |
55-R | 7/16"-20 | 11/16" | 3/8" |
56-R | 1/2"-20 | 3/4" | 7/16" |
57-R | 9/16"-18 | 7/8" | 1/2" |
58-R | 5/8"-18 | 15/16" | 9/16" |
59-R | 3/4"-16 | 1-1/8" | 5/8" |
60-R | 7/8"-14 | 1-1/4" | 3/4" |
61-R | 1"-14 | 1-1/2" | 7/8" |
62A-R | 1-1/4"-12 | 1-3/4" | 1" |
62-R | 1-1/8"-12 | 1-5/8" | 15/16" |
63-R | 1-1/2"-12 | 2-1/4" | 1-1/4" |