Specifications
| Product Number | VMBF-00405-S |
| Thread Size | 4-40 |
| Length | 1/2" |
| Threading | Fully Threaded |
| Flat Head Profile | Standard |
| Head Diameter | 0.212" |
| Head Height | 0.067" |
| Countersink Angle | 82° |
| Drive Style | Slotted |
| Drive Size | No. 1 |
| Material | Brass |
| Hardness | Rockwell B50 |
| Tensile Strength | 50,000 psi |
| Screw Size Decimal Equivalent | 0.112" |
| Thread Type | UNC |
| Thread Spacing | Coarse |
| Thread Fit | Class 2A |
| Thread Direction | Right Hand |
| Head Type | Flat |
| System of Measurement | Inch |
| Specifications Met | ASME B18.6.3 |
| RoHS | Compliant |
![Flat Head Machine Screw Full Thread Brass 4-40 * 1/2" [Slotted Drive]](http://rjm-fasteners.com/cdn/shop/files/Image_Jun_27__2025__12_28_45_PM-removebg-preview.png?v=1751041770&width=1445)