Sutton M4161270 1/2"-20 UNF Button Die 1-1/2" OD - Carbon Alloy Steel
Available
The Sutton M416 is a carbon alloy steel button die for cutting a new male (external) UNF (Unified National Fine) thread on studs. It is a solid round die, 1-1/2" (38.1 mm) OD, in 6 sizes, 5/16" to 5/8", 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) UNF threads on studs.
- General purpose and DIY threading where a precision thread is not required.
- 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 (1-1/2") to your die holder or die stock.
| Size | TPI | Sutton item no. |
|---|---|---|
| 5/16" | 24 | M416 0794 |
| 3/8" | 24 | M416 0953 |
| 7/16" | 20 | M416 1111 |
| 1/2" | 20 | M416 1270 |
| 9/16" | 18 | M416 1429 |
| 5/8" | 18 | M416 1588 |
Using the button die
- Use a guide or die stock that matches the 1-1/2" 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 | M416 |
| Thread form | UNF (Unified National Fine) |
| Sizes | 6 sizes, 5/16" to 5/8" |
| Outer diameter | 1-1/2" (38.1 mm) |
| Material | Carbon Alloy Steel |
| Die form | Solid round die |
| Pack | Sold singly |
Related products
Related Sutton threading tools: M415 UNF 1" OD button die, M417 UNF 2" OD button die, M412 UNC 1" OD button die, M413 UNC 1-1/2" OD button die and M414 UNC 2" OD button die. Browse threading dies and sets and threading tools.
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Sutton M416 UNF Button Die 1-1/2" OD (5/16" to 5/8") - Carbon Alloy Steel: 1/2
SKU: A0011627 | Model: M4161270
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.

