Brass Button Head Hex Drive Screws
1/4"-20 Thread Size, 1/2" Long



Thread | |
Size | 1/4"-20 |
Direction | Right Hand |
Spacing | Coarse |
Type | UNC |
Fit | Unified Standard Class 3A |
Tip Type | Flat |
Fastener Head Type | Rounded |
Head | |
Style | Button |
Profile | Standard |
Height | 0.132" |
Diameter | 0.437" |
Drive | |
Style | Hex |
Size | 5/32" |
Material | Brass |
Length | 1/2" |
Threading | Fully Threaded |
Tensile Strength | 50,000 psi |
Specifications Met | ASME B18.3 |
Hardness | Rockwell B55 |
Performance | Conductive, Corrosion Resistant, Nonmagnetic |
Screw Size Decimal Equivalent | 0.250" |
System of Measurement | Inch |
Country of Origin | United States |
DFARS Compliance | Specialty Metals COTS-Exempt |
Export Control Classification Number (ECCN) | EAR99 |
REACH Compliance | REACH (EC 1907/2006) (01/21/2025, 247 SVHC) Compliant |
RoHS Compliance | RoHS 3 (2015/863/EU) Compliant |
Schedule B Number | 741533.8550 |
U.S.–Mexico–Canada Agreement (USMCA) Qualifying | Yes |
These button head screws have a shiny look and won't rust in damp environments. Made of brass, they're also conductive and nonmagnetic, making them useful for electrical applications. The button head looks similar to a pan head, but it's lower and more compact, taking up less space. With six contact points, the hex drive withstands more torque than slotted and Phillips to securely grip your driver.
Length is measured from under the head.
The information in this 3-D model is provided for reference only.

























