Product Description
BSF Grade A Self Colour Steel Hexagon Full Nuts BS 1083
Grade A steel hexagon full nuts with British Standard Fine threads and a plain self colour finish. Suitable for matching BSF bolts, screws and threaded studs in restoration, maintenance and general engineering work.
The full-height hexagon profile allows tightening with a suitable spanner or socket. Choose the required thread size and pack quantity from the available options.
Technical Specifications
| Nut Type | Hexagon full nut |
|---|---|
| Thread Type | BSF — British Standard Fine |
| Standard Reference | BS 1083 |
| Material | Steel |
| Grade | A |
| Finish | Plain self colour |
Thread Sizes and Dimension Guide
| BSF Thread Size | Threads Per Inch | Approximate Width Across Flats | Approximate Nut Height |
|---|---|---|---|
| 1/4 inch | 26 TPI | 7/16 inch | 3/16 inch |
| 5/16 inch | 22 TPI | 1/2 inch | 1/4 inch |
| 3/8 inch | 20 TPI | 9/16 inch | 5/16 inch |
| 1/2 inch | 16 TPI | 3/4 inch | 7/16 inch |
| 3/4 inch | 12 TPI | 1-1/8 inches | 43/64 inch |
| 7/8 inch | 11 TPI | 1.3 inches | 3/4 inch |
Selecting Your Nut
Match both the nominal thread diameter and threads per inch to your existing fastener. BSF nuts are not interchangeable with BSW, UNC, UNF or metric nuts of a similar diameter.
Please note: Dimensions are approximate guide measurements. Check the actual nut when selecting a spanner or socket, and contact us before ordering if dimensions are critical to your application.
Browse Related Categories

| A | B | C | D |
| 1/4" | 7/16" | 3/16" | 26 |
| 5/16" | 1/2" | 1/4" | 22 |
| 3/8" | 9/16" | 5/16" | 20 |
| 1/2" | 3/4" | 7/16" | 16 |
| 3/4" | 1 1/8" | 43/64" | 12 |
| 7/8" | 1.3" | 3/4" | 11 |
Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.