UNF Extra Heavy Duty Stainless (303 SST)
| P/N | Description | |||||
| 66537 | Inside Thread 7/16 - 20 | Outside Thread 3/4 - 16 | Insert Length 0.625 | |||
| 66538 | Inside Thread 1/2 - 20 | Outside Thread 7/8 - 14 | Insert Length 0.688 | |||
| 76533 | Inside Thread #10 - 32 | Outside Thread 7/16 - 14 | Insert Length 0.312 | |||
| 76534 | Inside Thread 1/4 - 28 | Outside Thread 1/2 - 13 | Insert Length 0.375 | |||
| 76535 | Inside Thread 5/16 - 24 | Outside Thread 9/16 - 12 | Insert Length 0.437 | |||
| 76536 | Inside Thread 3/8 - 24 | Outside Thread 5/8 - 11 | Insert Length 0.500 | |||
| 76537 | Inside Thread 7/16 - 20 | Outside Thread 11/16 - 11 | Insert Length 0.625 | |||
| 76538 | Inside Thread 1/2 - 20 | Outside Thread 13/16 - 16 | Insert Length 0.688 | |||
| 76539 | Inside Thread 9/16 - 18 | Outside Thread 7/8 - 14 | Insert Length 0.812 | |||
| 76540 | Inside Thread 5/8 - 18 | Outside Thread 1 - 12 | Insert Length 0.875 | |||
| 76541 | Inside Thread 3/4 - 16 | Outside Thread 1-1/4 - 12 | Insert Length 1.125 | |||
| 76542 | Inside Thread 7/8 - 14 | Outside Thread 1-3/8 - 12 | Insert Length 1.250 | |||
| 76543 | Inside Thread 1 - 12 | Outside Thread 1-1/2 - 12 | Insert Length 1.375 | |||