0.3125 Inch Stainless Steel 1/4-28 flush stud with a 0.4375 Inch hex size and 0.386 Inch mounting hole.
                    | Label | Value | 
|---|---|
| A | 0.382 in | 
| B | 0.029 in | 
| Brand | Accurate Screw | 
| C | 0.147 in | 
| D | 0.043 in | 
| Display Name | 6656615610 | 
| Finish | None | 
| Hex Size | 0.4375 in | 
| Length L | 0.3125 in | 
| Material | Stainless Steel | 
| Model Number | 66566 | 
| Mounting Hole Size | 0.386 in | 
| Panel Thickness | 0.156 in | 
| Thread Size | 1/4-28 | 
| Label | Value | 
|---|---|
| A | 9.7 mm | 
| B | 0.74 mm | 
| Brand | Accurate Screw | 
| C | 3.73 mm | 
| D | 1.09 mm | 
| Display Name | 6656615610 | 
| Finish | None | 
| Hex Size | 11.11 mm | 
| Length L | 7.94 mm | 
| Material | Stainless Steel | 
| Model Number | 66566 | 
| Mounting Hole Size | 9.8 mm | 
| Panel Thickness | 3.96 mm | 
| Thread Size | 1/4-28 |