| Reference | Diameter | Thread | Length | Material | Description | Finish | Nmin | Tmin | E | D | ShortName | |
|---|
| 31F150HHD5Z | 31 | 5/16 | 1 1/2 | GRADE 5 | 5/16-24 X 1 1/2 HEX HD GRADE 5 ZN | ZN | --- | --- | --- | --- | HHD5 |  |
| 31F150HHD5Z/US | 31 | 5/16 | 1 1/2 | GRADE 5 | 5/16-24 X 1 1/2 HEX HD "U.S.MADE" GRADE 5 ZN | ZN | --- | --- | --- | --- | HHD5 |  |
| 31F150HHD8Y | 31 | 5/16 | 1 1/2 | GRADE 8 | 5/16-24 X 1 1/2 HEX HD GRADE 8 ZC YLW | ZC YLW | --- | --- | --- | --- | HHD8 |  |
| 31C125HHD2B | 31 | 5/16 | 1 1/4 | GRADE 2 | 5/16-18 X 1 1/4 HEX HD GRADE 2 BLK (RoHS) | BLK (RoHS) | --- | --- | --- | --- | HHD2 |  |
| 31C125HHD2Z | 31 | 5/16 | 1 1/4 | GRADE 2 | 5/16-18 X 1 1/4 HEX HD GRADE 2 ZN | ZN | --- | --- | --- | --- | HHD2 |  |
| 31C125HHD2Z/F | 31 | 5/16 | 1 1/4 | GRADE 2 | 5/16-18 X 1 1/4 HEX HD FULL THD GRADE 2 ZN | ZN | --- | --- | --- | --- | HHD2 |  |
| 31C125HHD5Z | 31 | 5/16 | 1 1/4 | GRADE 5 | 5/16-18 X 1 1/4 HEX HD GRADE 5 ZN | ZN | --- | --- | --- | --- | *SEE/US* |  |
| 31C125HHD5Z/US | 31 | 5/16 | 1 1/4 | GRADE 5 | 5/16-18 X 1 1/4 HEX HD "U.S.MADE" GRADE 5 ZN | ZN | --- | --- | --- | --- | HHD5 |  |
| 31C125HHD8Y | 31 | 5/16 | 1 1/4 | GRADE 8 | 5/16-18 X 1 1/4 HEX HD GRADE 8 ZC YLW | ZC YLW | --- | --- | --- | --- | HHD8 |  |
| 31C125HWH2Z/W | 31 | 5/16 | 1 1/4 | GRADE 2 | 5/16-18 X 1 1/4 HEX WASHER HD WHIZLOK GRADE 2 ZN | ZN | --- | --- | --- | --- | HHD2 |  |
| 31F125HHD5P | 31 | 5/16 | 1 1/4 | GRADE 5 | 5/16-24 X 1 1/4 HEX HD GRADE 5 PLN | PLN | --- | --- | --- | --- | HHD5 |  |
| 31F125HHD5Z | 31 | 5/16 | 1 1/4 | GRADE 5 | 5/16-24 X 1 1/4 HEX HD GRADE 5 ZN | ZN | --- | --- | --- | --- | *** /US *** |  |
| 31F125HHD5Z/US | 31 | 5/16 | 1 1/4 | GRADE 5 | 5/16-24 X 1 1/4 HEX HD "U.S.MADE" GRADE 5 ZN | ZN | --- | --- | --- | --- | HHD5 |  |
| 31F125HHD8Y | 31 | 5/16 | 1 1/4 | GRADE 8 | 5/16-24 X 1 1/4 HEX HD GRADE 8 ZC YLW | ZC YLW | --- | --- | --- | --- | HHD8 |  |
| 31C112HHD5Z | 31 | 5/16 | 1 1/8 | GRADE 5 | 5/16-18 X 1 1/8 HEX HD GRADE 5 ZN | ZN | --- | --- | --- | --- | HHD5 |  |
| 31C175HHD2Z | 31 | 5/16 | 1 3/4 | GRADE 2 | 5/16-18 X 1 3/4 HEX HD GRADE 2 ZN | ZN | --- | --- | --- | --- | HHD2 |  |
| 31C175HHD5B | 31 | 5/16 | 1 3/4 | GRADE 5 | 5/16-18 X 1 3/4 HEX HD GRADE 5 BLK (RoHS) | BLK (RoHS) | --- | --- | --- | --- | HHD5 |  |
| 31C175HHD5Z | 31 | 5/16 | 1 3/4 | GRADE 5 | 5/16-18 X 1 3/4 HEX HD GRADE 5 ZN | ZN | --- | --- | --- | --- | HHD5 |  |
| 31C175HHD5Z/US | 31 | 5/16 | 1 3/4 | GRADE 5 | 5/16-18 X 1 3/4 HEX HD "U.S.MADE" GRADE 5 ZN | ZN | --- | --- | --- | --- | HHD5 |  |
| 31C175HHD8Y | 31 | 5/16 | 1 3/4 | GRADE 8 | 5/16-18 X 1 3/4 HEX HD GRADE 8 ZC YLW | ZC YLW | --- | --- | --- | --- | HHD8 |  |
| 31C175HHT2Z | 31 | 5/16 | 1 3/4 | GRADE 2 | 5/16-18 X 1 3/4 HEX TAP BOLT GRADE 2 ZN | ZN | --- | --- | --- | --- | HHD2 |  |
| 31F175HHD5Z | 31 | 5/16 | 1 3/4 | GRADE 5 | 5/16-24 X 1 3/4 HEX HD GRADE 5 ZN | ZN | --- | --- | --- | --- | *SEE/US* |  |
| 31F175HHD5Z/US | 31 | 5/16 | 1 3/4 | GRADE 5 | 5/16-24 X 1 3/4 HEX HD "U.S.MADE" GRADE 5 ZN | ZN | --- | --- | --- | --- | HHD5 |  |
| 31F175HHD8Y | 31 | 5/16 | 1 3/4 | GRADE 8 | 5/16-24 X 1 3/4 HEX HD GRADE 8 ZC YLW | ZC YLW | --- | --- | --- | --- | HHD8 |  |
| 31C137HHD5Z | 31 | 5/16 | 1 3/8 | GRADE 5 | 5/16-18 X 1 3/8 HEX HD GRADE 5 ZN | ZN | --- | --- | --- | --- | HHD5 |  |
| 31C50HHD2P | 31 | 5/16 | 1/2 | GRADE 2 | 5/16-18 X 1/2 HEX HD GRADE 2 PLN | PLN | --- | --- | --- | --- | HHD2 |  |
| 31C50HHD2R | 31 | 5/16 | 1/2 | GRADE 2 | 5/16-18 X 1/2 HEX HD GRADE 2 ZN CR3 | ZN CR3 | --- | --- | --- | --- | HHD2 |  |
| 31C50HHD2Y | 31 | 5/16 | 1/2 | GRADE 2 | 5/16-18 X 1/2 HEX HD GRADE 2 ZC YLW | ZC YLW | --- | --- | --- | --- | HHD2 |  |
| 31C50HHD2Z | 31 | 5/16 | 1/2 | GRADE 2 | 5/16-18 X 1/2 HEX HD GRADE 2 ZN | ZN | --- | --- | --- | --- | HHD2 |  |
| 31C50HHD5Y | 31 | 5/16 | 1/2 | GRADE 5 | 5/16-18 X 1/2 HEX HD GRADE 5 ZC YLW | ZC YLW | --- | --- | --- | --- | HHD5 |  |
| 31C50HHD5Z | 31 | 5/16 | 1/2 | GRADE 5 | 5/16-18 X 1/2 HEX HD GRADE 5 ZN | ZN | --- | --- | --- | --- | *SEE/US* |  |
| 31C50HHD5Z/US | 31 | 5/16 | 1/2 | GRADE 5 | 5/16-18 X 1/2 HEX HD "U.S.MADE" GRADE 5 ZN | ZN | --- | --- | --- | --- | HHD5 |  |
| 31C50HHD8Y | 31 | 5/16 | 1/2 | GRADE 8 | 5/16-18 X 1/2 HEX HD GRADE 8 ZC YLW | ZC YLW | --- | --- | --- | --- | HHD8 |  |
| 31C50HWH2Z/W | 31 | 5/16 | 1/2 | GRADE 2 | 5/16-18 X 1/2 HEX WASHER HD WHIZLOK GRADE 2 ZN | ZN | --- | --- | --- | --- | HHD2 |  |
| 31F50HHD5P | 31 | 5/16 | 1/2 | GRADE 5 | 5/16-24 X 1/2 HEX HD GRADE 5 PLN | PLN | --- | --- | --- | --- | HHD5 |  |
| 31F50HHD5Z | 31 | 5/16 | 1/2 | GRADE 5 | 5/16-24 X 1/2 HEX HD GRADE 5 ZN | ZN | --- | --- | --- | --- | HHD5 |  |
| 31F50HHD8P | 31 | 5/16 | 1/2 | GRADE 8 | 5/16-24 X 1/2 HEX HD GRADE 8 PLN | PLN | --- | --- | --- | --- | HHD8 |  |
| 31F50HHD8Y | 31 | 5/16 | 1/2 | GRADE 8 | 5/16-24 X 1/2 HEX HD GRADE 8 ZC YLW | ZC YLW | --- | --- | --- | --- | HHD8 |  |
| 31C1000HHD2Z | 31 | 5/16 | 10 | GRADE 2 | 5/16-18 X 10 HEX HD GRADE 2 ZN | ZN | --- | --- | --- | --- | HHD2 |  |
| 31C200HHD2C/F | 31 | 5/16 | 2 | GRADE 2 | 5/16-18 X 2 HEX HD FULL THD GRADE 2 CAD | CAD | --- | --- | --- | --- | HHD2 |  |
| 31C200HHD2R | 31 | 5/16 | 2 | GRADE 2 | 5/16-18 X 2 HEX HD GRADE 2 ZN CR3 | ZN CR3 | --- | --- | --- | --- | HHD2 |  |
| 31C200HHD2Z | 31 | 5/16 | 2 | GRADE 2 | 5/16-18 X 2 HEX HD GRADE 2 ZN | ZN | --- | --- | --- | --- | HHD2 |  |
| 31C200HHD5R | 31 | 5/16 | 2 | GRADE 5 | 5/16-18 X 2 HEX HD GRADE 5 ZN CR3 | ZN CR3 | --- | --- | --- | --- | HHD5R |  |
| 31C200HHD5Z | 31 | 5/16 | 2 | GRADE 5 | 5/16-18 X 2 HEX HD GRADE 5 ZN | ZN | --- | --- | --- | --- | **SEE/US** |  |
| 31C200HHD5Z/US | 31 | 5/16 | 2 | GRADE 5 | 5/16-18 X 2 HEX HD "U.S.MADE" GRADE 5 ZN | ZN | --- | --- | --- | --- | HHD5 |  |
| 31C200HHD8Y | 31 | 5/16 | 2 | GRADE 8 | 5/16-18 X 2 HEX HD GRADE 8 ZC YLW | ZC YLW | --- | --- | --- | --- | HHD8 |  |
| 31C200HHT2Z | 31 | 5/16 | 2 | GRADE 2 | 5/16-18 X 2 HEX TAP BOLT GRADE 2 ZN | ZN | --- | --- | --- | --- | HHD2 |  |
| 31C200HHT5Z | 31 | 5/16 | 2 | GRADE 5 | 5/16-18 X 2 HEX TAP BOLT GRADE 5 ZN | ZN | --- | --- | --- | --- | HHD5 |  |
| 31F200HHD2Z | 31 | 5/16 | 2 | GRADE 2 | 5/16-24 X 2 HEX HD GRADE 2 ZN | ZN | --- | --- | --- | --- | HHD2 |  |
| 31F200HHD5Z | 31 | 5/16 | 2 | GRADE 5 | 5/16-24 X 2 HEX HD GRADE 5 ZN | ZN | --- | --- | --- | --- | HHD5 |  |
| 31F200HHD5Z/US | 31 | 5/16 | 2 | GRADE 5 | 5/16-24 X 2 HEX HD "U.S.MADE" GRADE 5 ZN | ZN | --- | --- | --- | --- | HHD5 |  |
| 31F200HHD8Y | 31 | 5/16 | 2 | GRADE 8 | 5/16-24 X 2 HEX HD GRADE 8 ZC YLW | ZC YLW | --- | --- | --- | --- | HHD8 |  |
| 31C250HHD2B | 31 | 5/16 | 2 1/2 | GRADE 2 | 5/16-18 X 2 1/2 HEX HD GRADE 2 BLK (RoHS) | BLK (RoHS) | --- | --- | --- | --- | HHD2 |  |
| 31C250HHD2Z | 31 | 5/16 | 2 1/2 | GRADE 2 | 5/16-18 X 2 1/2 HEX HD GRADE 2 ZN | ZN | --- | --- | --- | --- | HHD2 |  |
| 31C250HHD2Z/F | 31 | 5/16 | 2 1/2 | GRADE 2 | 5/16-18 X 2 1/2 HEX HD FULL THD GRADE 2 ZN | ZN | --- | --- | --- | --- | HHD2 |  |
| 31C250HHD5P | 31 | 5/16 | 2 1/2 | GRADE 5 | 5/16-18 X 2 1/2 HEX HD GRADE 5 PLN | PLN | --- | --- | --- | --- | HHD5 |  |
| 31C250HHD5Z | 31 | 5/16 | 2 1/2 | GRADE 5 | 5/16-18 X 2 1/2 HEX HD GRADE 5 ZN | ZN | --- | --- | --- | --- | **SEE/US** |  |
| 31C250HHD5Z/US | 31 | 5/16 | 2 1/2 | GRADE 5 | 5/16-18 X 2 1/2 HEX HD "U.S.MADE" GRADE 5 ZN | ZN | --- | --- | --- | --- | HHD5 |  |
| 31C250HHD8Y | 31 | 5/16 | 2 1/2 | GRADE 8 | 5/16-18 X 2 1/2 HEX HD GRADE 8 ZC YLW | ZC YLW | --- | --- | --- | --- | HHD8 |  |
| 31F250HHD5Z | 31 | 5/16 | 2 1/2 | GRADE 5 | 5/16-24 X 2 1/2 HEX HD GRADE 5 ZN | ZN | --- | --- | --- | --- | HHD5 |  |