Product Description
1/2" BSF Self Colour Countersunk Socket Screws – BS 2470
High grade alloy steel countersunk socket screws with a 1/2"-16 BSF thread and a black self-colour finish. Manufactured to BS 2470, these imperial fasteners feature an internal hexagon drive for tightening with a 5/16" Allen key or hex bit.
Product Specifications
| Material | High grade alloy steel |
|---|---|
| Finish | Black self colour, unplated |
| Standard | BS 2470 |
| Thread Type | BSF – British Standard Fine |
| Thread Size | 1/2"-16 BSF |
| Threads Per Inch | 16 TPI |
| Nominal Thread Diameter | 1/2" / 12.7mm |
| Head Style | Countersunk |
| Drive Type | Internal hexagon |
| Allen Key Size | 5/16" / 7.9375mm |
Head Dimensions
| Maximum Theoretical Sharp-Corner Head Diameter | 0.950" / 24.13mm |
|---|---|
| Minimum Head Diameter | 0.870" / approximately 22.10mm |
| Reference Head Height | 0.225" / approximately 5.72mm |
Key Features
- Alloy steel construction for demanding fastening applications.
- Countersunk head allows a flush finish in a correctly prepared countersink.
- Internal hexagon drive for installation with an Allen key or hex bit.
- BSF thread for matching nuts and tapped holes.
Applications
Suitable for machinery maintenance, restoration, tooling and assemblies requiring BSF countersunk socket fasteners.
Countersunk screw lengths are measured overall, including the head. Select your required length and pack quantity before ordering.
Standard
BS 2470 – hexagon socket screws.
