Structural Bolt: Steel, A490 Type 1, Black Oxide, 7/8"-9 Thread Size, 3 1/4 in lg, HRC33 to 38, 5 PK
Item: 31JK90, MFR: U04008.087.0325, Brand: GRAINGER APPROVED
| System of Measurement | Inch |
| Thread Size | 7/8"-9, 7/8 in |
| Material | Steel |
| Material Grade/Class | A490 Type 1 |
| Material Type | Steel |
| Finish | Black Oxide |
| Fastener Length | 3-1/4 in |
| Finish Type | Black Oxide |
| Drive Type | External Hex |
| Thread Style | Partially Threaded |
| Thread Type | Coarse |
| Dimensional Standards | ASME B18.2.6 |