Product Description
1/4"-26 BSF Alloy Steel Cup Point Socket Grub Screws
1/4" BSF socket grub screws manufactured from hardened alloy steel with an unplated finish. Featuring a cup point and internal hexagon drive, these headless screws are used to secure components within matching threaded holes.
The cup point grips the mating surface when tightened, making these screws suitable for securing collars, pulleys, gears and similar components to shafts.
Technical Specifications
| Thread size | 1/4"-26 BSF |
|---|---|
| Nominal diameter | 1/4" (6.35mm) |
| Thread type | British Standard Fine |
| Threads per inch | 26 TPI |
| Material | High grade alloy steel |
| Minimum hardness | 45 HRC |
| Finish | Unplated / self colour |
| Point style | Cup point |
| Drive type | Internal hexagon socket |
| Allen key size | 1/8" (3.175mm) |
| Thread class | BSF medium |
Key Features
- Hardened alloy steel construction.
- Cup point for gripping the mating surface.
- Headless design for recessed installation.
- Internal hexagon drive for use with a 1/8" Allen key.
- BSF thread for compatible imperial machinery and fittings.
Lengths and Pack Sizes
Choose the required length and pack quantity from the available options. Grub screw length is measured overall, including the point.
Applications
Suitable for machinery maintenance, restoration and assembly involving matching 1/4"-26 BSF threaded components. The cup point can mark the contact surface when tightened.
Standard
BS 2470:1973 – hexagon socket screws and wrench keys: inch series.
