Manufacturer Part Number: 842580-G|Slot Width|Type|T-Slot BoltSlot Width (Inch)|1/2Slot Width (Decimal Inch)|0.5000Head Height (Inch)|11/32Head Height (mm)|Head Width (Inch)|7/8Head Width|Length Under Head (mm)|Length Under Head (Inch)|8Material|SteelMaterial Grade|5Thread Fit Class|Finish|BlackThread Size (Inch)|1/2-13Thread Size (mm)|Thread Standard|UNCThread Length (Inch)|3-1/2Thread Length (mm)|Thread Length (Decimal Inch)|3.5inFastener Standard|System Of Measurement|InchProduct Service Code|UNSPSC Code|