264 Series - Dimcogray recessed top knurled knob
| Part N° | Material | Unit system | Fastening gender | A | B | C | D | Thread length | Thread size |
| 1-264-017 | Phenolic | Imperial | Female | 1-3/8 | 23/32 | 3/4 | 3/8 | 15/32 | 1/4 |
| 1-264-036 | Phenolic | Imperial | Female | 1-3/8 | 23/32 | 3/4 | 3/8 | 1/2 | 5/16 |
| 2-264-004 | Phenolic | Imperial | Female | 1-3/8 | 23/32 | 3/4 | 3/8 | 15/32 | 1/4 |
| 2-264-023 | Phenolic | Imperial | Male | 1-3/8 | 23/32 | 3/4 | 3/8 | 1-1/2 | 5/16-18 |
| 2-264-027 | Phenolic | Imperial | Female | 1-3/8 | 23/32 | 3/4 | 3/8 | 3/8 | 3/8-16 |
| 2-264-037 | Phenolic | Imperial | Female | 1-3/8 | 23/32 | 3/4 | 3/8 | .275 | 9/32 |
| 2-264-300 | Phenolic | Imperial | Female | 1-3/8 | 23/32 | 3/4 | 3/8 | 3/8 | 1/4-20 |