Carriage Bolt: Square, Steel, Grade 5, Black Oxide, 1/2"-13 Thread Size, 3 in lg, Inch, 25 PK
Item: 21A947, MFR: 216175G, Brand: GRAINGER APPROVED
| System of Measurement | Inch |
| Drive Type | No Drive |
| Thread Size | 1/2"-13 |
| Material | Steel |
| Material Grade/Class | Grade 5 |
| Finish | Black Oxide |
| Fastener Length | 3 in |
| Thread Style | Fully Threaded |
| Thread Type | Coarse |
| Neck Type | Square |
| Dimensional Standards | ASME B18.5 |