AAP Black Steel Hexagon Backnut, 1-1/4"
Available
This AAP black hexagon backnut is a mild steel fitting with BSP threads. It is supplied in 10 sizes, 1/8" (6mm) to 3" (80mm). A hexagon backnut is a flat hexagon nut threaded inside. It is tightened against a fitting, panel or bracket to lock a threaded pipe or fitting in place. B is the hexagon across flats and C the thickness.
It is made to BS EN 10241:2000, as a steel threaded pipe fitting. It has a black finish. All sizes other than unions are sample tested to 5.2 MPa. These are test pressures, not working pressures.
Where this product is used
- Locking a threaded pipe or fitting against a panel or bracket
- Securing a threaded nipple through a tank or wall
- General threaded steel pipework
Features
- 10 sizes, 1/8" (6mm) to 3" (80mm)
- Mild steel, black, BS EN 10241:2000
- BSP threads
- Thread: BSP (British Standard Pipe) thread, ISO 7 and AS 1722 Part 1
Key specifications
| Specification | Detail |
|---|---|
| Brand | AAP |
| Product | Black hexagon backnut, mild steel |
| Finish | Black |
| Thread | BSP (British Standard Pipe) thread, ISO 7 and AS 1722 Part 1 |
| Ends | Female (internal) thread, flat hexagon |
| Applicable standard | BS EN 10241:2000, steel threaded pipe fittings |
| Test pressure | Sample tested to 5.2 MPa |
| Sizes | 1/8" (6mm) to 3" (80mm) (10 sizes) |
Choosing the right option
Choose the size to match your pipework. These fittings are BSP threaded, so check that your pipe or fitting is BSP and not NPT before you order.
Related AAP products: AAP Black Steel Hexagon Nipple, AAP Black Steel Socket, Heavy Type, AAP Black Steel Hexagon Plug, AAP Black Steel Barrel Nipple.
| Option | Part number | SKU |
|---|---|---|
| 1/8" | SBN06 | A0075709 |
| 1/4" | SBN08 | A0075710 |
| 1/2" | SBN15 | A0075712 |
| 1" | SBN25 | A0075714 |
| 1-1/4" | SBN32 | A0075715 |
| 1-1/2" | SBN40 | A0075716 |
| 2" | SBN50 | A0075717 |
| 3/8" | SBN10 | A0075711 |
| 3/4" | SBN20 | A0075713 |
| 3" | SBN80 | A0075718 |
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AAP Black Steel Hexagon Backnut: 1-1/4"
SKU: A0075715 | Model: SBN32
AAP SBN32: AAP Black Steel Hexagon Backnut, 1-1/4". Pipe Size (inch): 1-1/4. Pipe Size (mm): 32. Across Flats (B): 52.1.