Product Description
7/16" UNF Self Colour Steel Countersunk Socket Screws
High tensile steel countersunk socket screws with a 7/16"-20 UNF fine thread and a self colour, unplated finish. The flat countersunk head sits flush with the surface when installed in a correctly prepared countersunk hole.
The internal hexagon socket accepts a matching imperial Allen key or hex driver. These screws are suitable for engineering assemblies requiring a recessed screw head and an imperial fine thread.
Technical Specifications
| Thread designation | 7/16"-20 UNF |
|---|---|
| Nominal thread diameter | 7/16" / 11.1125mm |
| Threads per inch | 20 TPI |
| Thread form | Unified National Fine |
| Material | High tensile steel |
| Finish | Self colour / unplated |
| Head type | Flat countersunk |
| Drive type | Internal hexagon socket |
| Dimensional specification | ANSI B18.3 |
| Mechanical specification | ASTM F835 |
| Length measurement | Overall length, including the head |
Key Features
- UNF fine thread for matching nuts and tapped holes.
- Countersunk head for a flush installation.
- Internal hexagon drive for use with an imperial Allen key.
- Self colour steel finish without zinc plating.
Typical Applications
Suitable for machinery, tooling, equipment assembly and maintenance where a 7/16" UNF countersunk socket screw is specified.
Ordering Information
Select your required length from the available options. Countersunk screw length is measured from the top of the head to the tip.