Made in USA - 1/4-28 UNF Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 7/8" Length Under Head
Item #: 00839704
Brand: Made in USA
Exact Tooling IR#: 04
Features and Benefits
Button head types have cylindrical heads with curved tops and flat bearing surfaces. They slightly protrude out of the workpiece and are used for aesthetic purposes.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
| Product Specifications | |
|---|---|
| System of Measurement | Inch |
| Head Type | Button |
| Drive Type | Hex Socket |
| Thread Size (Inch) | 1/4-28 |
| Length Measurement Type | Length Under Head |
| Length (Inch) | 7/8 |
| Material | Alloy Steel |
| Finish/Coating | Black Oxide |
| Full or Partial Threading | Fully Threaded |
| Thread Standard | UNF |
| Fastener Standard | ASME B18.3; ASTM F835 |
| Hex Key Size (Inch) | 5/32 |
| Hex Key Size (Decimal Inch) | 0.1563 |
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