Product Description
BSW Whitworth High Tensile Socket Cup Point Grub Screws
High tensile alloy steel grub screws with British Standard Whitworth (BSW) threads, an internal hexagon socket and a cup point. Supplied with a self colour, unplated finish for machinery, maintenance and restoration applications.
The headless design allows the screw to sit within a tapped hole. Its cup point bears against the mating component to help secure shaft collars, gears, pulleys and similar parts.
Specifications
| Feature | Specification |
|---|---|
| Fastener type | Socket grub screw / socket set screw |
| Thread system | BSW – British Standard Whitworth |
| Specification | BS 2470 |
| Material | High tensile alloy steel |
| Finish | Self colour – unplated |
| Point style | Cup point |
| Drive type | Internal hexagon socket / Allen key |
| Length measurement | Overall screw length, including the point |
Thread and Allen Key Sizes
| BSW Thread Size | Threads Per Inch | Allen Key Size |
|---|---|---|
| 3/16" | 24 TPI | 3/32" |
| ¼" | 20 TPI | ⅛" |
| 5/16" | 18 TPI | 5/32" |
| ⅜" | 16 TPI | 3/16" |
| ½" | 12 TPI | ¼" |
Listed Lengths
| Thread Diameter | Lengths |
|---|---|
| 3/16" | ¼", 5/16", ⅜", ½", ⅝", ¾" and 1" |
| ¼" | ¼", ⅜", ⅝", ¾" and 1" |
| 5/16" | ¼", 5/16", ⅜", ⅝" and 1" |
| ⅜" | 5/16", ⅜", ⅝", ¾" and 1" |
| ½" | 1" |
Key Features
- BSW threads for matching Whitworth tapped holes.
- Cup point for gripping the mating component.
- Headless design for installation within a tapped hole.
- Hexagon socket for installation with an imperial Allen key.
- High tensile alloy steel with a self colour finish.
Typical Applications
Suitable for securing collars, gears, pulleys, knobs and other components on shafts in machinery and equipment using BSW threads.
The cup point can leave an indentation in the mating surface. Select the screw length to provide suitable thread engagement and clearance within the assembly.
Ordering
Select the required BSW thread diameter, screw length and pack quantity from the available options before adding to your basket.
