Part Number | d | D | B | B1 |
R2 | 3.175 | 9.525 | 3.969 | 3.969 | R2A | 3.175 | 12.7 | 4.366 | 4.366 |
R3 | 4.762 | 12.7 | 3.969 | 4.978 | R4 | 6.35 | 15.875 | 4.978 | 4.978 |
R4A | 6.35 | 19.05 | 5.556 | 7.144 | R6 | 9.525 | 22.225 | 5.558 | 7.142 |
R8 | 12.7 | 28.575 | 6.35 | 7.938 | R10 | 15.875 | 34.925 | 7.144 | 8.73 |
R12 | 19.05 | 41.275 | 7.938 | 11.112 | R14 | 22.225 | 47.625 | 9.525 | 12.7 |
R16 | 25.4 | 50.8 | 9.525 | 12.7 | R18 | 28.575 | 53.975 | 9.525 | 12.7 |