Class2A UNCFinishBlack OxideHead Thickness (D)0.250 inMaterialMedium Carbon SteelShank Length (B)4.500 inTable Slot0.500 inThread Length (C)2.000 inThread Size (A)1/2-13TypeT-Slot BoltWeight per 100 pcs0.29 lbWidth Across Corners (F)1.188 inWidth Across Flats (E)0.875 in
| Class | 2A UNC |
| Finish | Black Oxide |
| Head Thickness (D) | 0.250 in |
| Material | Medium Carbon Steel |
| Shank Length (B) | 4.500 in |
| Table Slot | 0.500 in |
| Thread Length (C) | 2.000 in |
| Thread Size (A) | 1/2-13 |
| Type | T-Slot Bolt |
| Weight per 100 pcs | 0.29 lb |
| Width Across Corners (F) | 1.188 in |
| Width Across Flats (E) | 0.875 in |