Sutton M4474445 1-3/4"-5 BSW Hexagon Die Nut, 80 mm AF - Carbon Alloy Steel
Available
The Sutton M447 is a carbon alloy steel hexagon die nut for cleaning and resizing existing damaged BSW (British Standard Whitworth) threads. It comes in 18 sizes, 1/8" to 2", with hex sizes from 18 to 90 mm AF, and can be turned with a wrench or socket where space is limited.
The hexagon die is best suited for maintenance and repair work. Because the die can be used with a wrench or socket, it works in limited space. Carbon alloy steel threading tools are not suitable for precision, safety or critical threads: they are for general purpose and DIY use only. Applications include DIY, trade, automotive, plumbing, metalworking and MRO work.
Where this product is used
- Cleaning and resizing existing damaged BSW threads.
- Maintenance and repair work.
- Threading in limited space with a wrench or socket.
- General purpose and DIY work where a precision thread is not required.
- Applications include DIY, trade, automotive, plumbing, metalworking and MRO work.
Design features
- Hexagon die: best suited for maintenance and repair work.
- Limited space: the die can be used with a wrench or socket.
- Designed for cleaning and resizing existing damaged threads.
- Carbon alloy steel: suitable for general purpose and DIY use only.
Sizes and item numbers
Hex size is across flats (AF): use a wrench or socket of the same size.
| Size | TPI | Hex (AF mm) | Pack | Sutton item no. |
|---|---|---|---|---|
| 1/8" | 40 | 18 | Blister pack | M447 0318 |
| 5/32" | 32 | 18 | Blister pack | M447 0397 |
| 3/16" | 24 | 18 | Blister pack | M447 0476 |
| 1/4" | 20 | 18 | Blister pack | M447 0635 |
| 5/16" | 18 | 21 | Blister pack | M447 0794 |
| 3/8" | 16 | 23.5 | Blister pack | M447 0953 |
| 7/16" | 14 | 25.5 | Blister pack | M447 1111 |
| 1/2" | 12 | 28 | Blister pack | M447 1270 |
| 9/16" | 12 | 33 | Blister pack | M447 1429 |
| 5/8" | 11 | 33 | Blister pack | M447 1588 |
| 3/4" | 10 | 37.5 | Blister pack | M447 1905 |
| 7/8" | 9 | 42.5 | Box | M447 2223 |
| 1" | 8 | 52 | Box | M447 2540 |
| 1-1/8" | 7 | 56.5 | Box | M447 2858 |
| 1-1/4" | 7 | 56.5 | Box | M447 3175 |
| 1-1/2" | 6 | 70 | Box | M447 3810 |
| 1-3/4" | 5 | 80 | Box | M447 4445 |
| 2" | 4-1/2 | 90 | Box | M447 5080 |
Using the die nut
- Clean dirt and rust from the damaged thread before starting.
- Start the die square on the thread, turning forward and backing off regularly to break the chip.
- Use a cutting fluid suited to the material being threaded.
- Die nuts are designed to clean and resize existing threads. For a new thread on plain stock, use a button die from the threading dies and sets range.
- Use for general purpose and DIY threads only.
Key specifications
| Specification | Detail |
|---|---|
| Catalogue code | M447 |
| Thread form | BSW (British Standard Whitworth) |
| Sizes | 18 sizes, 1/8" to 2" |
| Hex size | 18 to 90 mm AF |
| Material | Carbon Alloy Steel |
| Die form | Hexagon die nut |
| Pack | Blister pack (to 3/4"), box (larger sizes) |
Related products
Related Sutton threading tools: M448 BSF hexagon die nuts and M452 BSPF hexagon die nuts and the M454 SDN2 10 piece BSW die nut set. Browse threading dies and sets and threading tools.
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