241 Series - Dimcogray round knurled knob
| Part N° | Material | Unit system | Fastening gender | A | B | C | D | Thread length | Thread size |
| 1-241-001 | Phenolic | Imperial | Female | 1 | 21/32 | 5/8 | 5/16 | 5/16 | 10-32 |
| 1-241-002 | Phenolic | Imperial | Female | 1 | 21/32 | 5/8 | 5/16 | 3/8 | 1/4-20 |
| 1-241-005 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 1 | 1/4-28 |
| 1-241-081 | Phenolic | Imperial | Female | 1 | 21/32 | 5/8 | 5/16 | 5/16 | 1/4 |
| 1-241-088 | Phenolic | Imperial | Female | 1 | 21/32 | 5/8 | 5/16 | 5/16 | 10-24 |
| 1-241-091 | Phenolic | Imperial | Female | 1 | 21/32 | 5/8 | 5/16 | 3/8 | 5/16-18 |
| 1-241-093 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 3/4 | 1/4-20 |
| 1-241-098 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 1 | 10-32 |
| 1-241-101 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 1 | 1/4-20 |
| 1-241-106 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 3/4 | 10-32 |
| 1-241-107 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 1/2 | 10-32 |
| 1-241-108 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 1-1/4 | 1/4-20 |
| 1-241-110 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 1/2 | 1/4-20 |
| 1-241-111 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 5/8 | 10-32 |
| 1-241-115 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 3/8 | 1/4-20 |
| 1-241-117 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 1-1/2 | 1/4-20 |
| 1-241-121 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 3/8 | 10-24 |
| 1-241-131 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 23/32 | 5/16-18 |
| 1-241-135 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 1/2 | 8-32 |
| 1-241-146 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 3/8 | 8-32 |
| 1-241-148 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 3/4 | 8-32 |
| 1-241-149 | Phenolic | Imperial | Female | 1 | 21/32 | 5/8 | 5/16 | 11/32 | 13/64 |
| 1-241-152 | Phenolic | Imperial | Female | 1 | 21/32 | 5/8 | 5/16 | 5/16 | 13/64 |
| 1-241-160 | Phenolic | Imperial | Female | 1 | 21/32 | 5/8 | 5/16 | 5/16 | 6-32 |
| 1-241-174 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 7/8 | 1/4-20 |
| 1-241-176 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 1/2 | 5/16-18 |
| 1-241-177 | Phenolic | Imperial | Female | 1 | 21/32 | 5/8 | 5/16 | 5/16 | 8-32 |
| 1-241-188 | Phenolic | Imperial | Female | 1 | 21/32 | 5/8 | 5/16 | 5/16 | 3/16 |
| 1-241-199 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 2 | 5/16-18 |
| 1-241-202 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 1-1/4 | 10-32 |
| 1-241-205 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 1 | 5/16-18 |
| 1-241-206 | Phenolic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 1 | 10-24 |
| 1-241-600 | Phenolic | Metric | Female | 1 | 21/32 | 5/8 | 5/16 | 3/8 | M6-1.0 |
| 1-241-601 | Phenolic | Metric | Female | 1 | 21/32 | 5/8 | 5/16 | 5/16 | M5-.8 |
| 1-241-602 | Phenolic | Metric | Female | 1 | 21/32 | 5/8 | 5/16 | 3/8 | M8-1.25 |
| 1-241-603 | Phenolic | Metric | Male | 1 | 21/32 | 5/8 | 5/16 | 55 | M6-1.0 |
| 4-241-002 | Thermoplastic | Imperial | Female | 1 | 21/32 | 5/8 | 5/16 | 3/8 | 1/4-20 |
| 4-241-006 | Thermoplastic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 1 | 5/16-18 |
| 4-241-007 | Thermoplastic | Imperial | Male | 1 | 21/32 | 5/8 | 5/16 | 1/2 | 1/4-20 |
| 4-241-602 | Thermoplastic | Metric | Male | 1 | 21/32 | 5/8 | 5/16 | 21.8 | M8-1.25 |