Sutton M4181270 1/2"-12 BSW Button Die 1" OD - Carbon Alloy Steel
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The Sutton M418 is a carbon alloy steel button die for cutting a new male (external) BSW (British Standard Whitworth) thread on studs. It is a solid round die, 1" (25.4 mm) OD, in 7 sizes, 1/8" to 1/2", that fits into an adjustable guide or plain die stock handle.
Made from carbon alloy steel. Carbon alloy steel threading tools are not suitable for precision, safety or critical threads: they are for general purpose and DIY use only. The cutting teeth provide a general purpose thread. Applications include DIY, trade, automotive, plumbing, metalworking and MRO work.
Where this product is used
- Cutting new male (external) BSW threads on studs.
- General purpose and DIY threading where a precision thread is not required.
- Whitworth form (WHIT) thread: 5/32"-32 BSW.
- Applications include DIY, trade, automotive, plumbing, metalworking and MRO work.
Design features
- Carbon alloy steel: suitable for general purpose and DIY use only.
- Cutting teeth: provide a general purpose thread.
- Solid round die: fits into an adjustable guide or plain die stock handle.
Sizes and item numbers
Match the die OD (1") to your die holder or die stock.
| Size | TPI | Thread | Sutton item no. |
|---|---|---|---|
| 1/8" | 40 | BSW | M418 0318 |
| 5/32" | 32 | Whitworth form (WHIT) | M418 0397 |
| 3/16" | 24 | BSW | M418 0476 |
| 1/4" | 20 | BSW | M418 0635 |
| 5/16" | 18 | BSW | M418 0794 |
| 3/8" | 16 | BSW | M418 0953 |
| 1/2" | 12 | BSW | M418 1270 |
Using the button die
- Use a guide or die stock that matches the 1" OD of the die.
- Chamfer the end of the stud or rod and start the die square, turning forward and backing off regularly to break the chip.
- Use a cutting fluid suited to the material being threaded.
- Use for general purpose and DIY threads only.
Key specifications
| Specification | Detail |
|---|---|
| Catalogue code | M418 |
| Thread form | BSW (British Standard Whitworth) |
| Sizes | 7 sizes, 1/8" to 1/2" |
| Outer diameter | 1" (25.4 mm) |
| Material | Carbon Alloy Steel |
| Die form | Solid round die |
| Pack | Sold singly |
Related products
Related Sutton threading tools: M420 BSW 2" OD button die and M438 BSPT 2" OD button die. Browse threading dies and sets and threading tools.
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Sutton M418 BSW Button Die 1" OD (1/8" to 1/2") - Carbon Alloy Steel: 1/2
SKU: A0011644 | Model: M4181270
Die Size (inch) 1/2. Descriptions
Sutton Tools Button Dies are used for cutting a new male/external thread on studs. Carbon Alloy Steel threading tools are not suitable for precision$ safety or critical thread. General purpose / DIY use only. Used with suitable button die holder.