Description
Sutton Tools
Sutton Carbon Steel Button Die — M18x2.5
Part No: M4021800 | Barcode: 9311963029757 | Brand: Sutton Tools
Sutton carbon steel button die for cutting external (male) threads on stud, rod and bar. Solid round die fits standard adjustable die stocks and produces clean, accurate threads in steel, brass, aluminium and most engineering metals. This M18x2.5 variant covers the Metric Coarse (M) thread standard — Standard ISO Metric coarse-pitch — for cutting external threads on round stock, studding and turned components.
Carbon Steel
Hand Threading
Solid Button Form
Fits Standard Die Stock
External Thread Cutting
Australian Made
Key Features & Benefits
- Carbon alloy steel — tough, hard-wearing cutting edges for hand threading mild steel, brass and aluminium.
- Solid button design — fits any standard adjustable guide or plain die stock handle — no clamping screws to slip.
- Economical and easy to use — ideal for occasional workshop threading and for chasing or restoring damaged external threads.
- Versatile use — cuts clean external threads in mild steel, brass, aluminium and most non-ferrous metals plus plastics.
- Australian made — manufactured by Sutton Tools at their Thomastown, Victoria plant.
When to Use This Carbon Steel Button Die
Use this button die when you need to cut a fresh external thread onto round stock, studding or a turned-down shaft — fitting the die into a die stock and rotating it over the workpiece. Carbon steel dies are well suited to hand threading and general workshop use in mild steel, brass and aluminium. This particular variant (M4021800) cuts a M18x2.5 thread.
Pro Tip: Chamfer the leading 1–2 mm of the rod at roughly 30° before starting the die — this gives the cutting edges something to bite into and dramatically reduces the chance of starting a crooked thread. Use cutting fluid liberally and reverse a half-turn for every full turn forward to break the chip.
Authorised Sutton Tools Dealer — This product is sourced directly from Sutton Tools Australia, an Australian-owned family business manufacturing cutting tools in Thomastown, Victoria since 1917, and is backed by full Australian manufacturer warranty and local support.
Product Specifications
| Part No. | Size / Pitch | Thread | Form | Barcode |
|---|---|---|---|---|
| M4000200 | M2x0.4 | — | — | 9311963025230 |
| M4000250 | M2.5×0.45 | — | — | 9311963029733 |
| M4000300 | M3x0.5 | — | — | 9311963018966 |
| M4000350 | M3.5×0.6 | — | — | 9311963040875 |
| M4000400 | M4x0.7 | — | — | 9311963016481 |
| M4000500 | M5x0.8 | — | — | 9311963007274 |
| M4000600 | M6x1.0 | — | — | 9311963007540 |
| M4000700 | M7x1.0 | — | — | 9311963029740 |
| M4000800 | M8x1.25 | — | — | 9311963007861 |
| M4001000 | M10x1.5 | — | — | 9311963009971 |
| M4001200 | M12x1.75 | — | — | 9311963020273 |
| M4010800 | M8x1.25 | — | — | 9311963011806 |
| M4011000 | M10x1.5 | — | — | 9311963010755 |
| M4011200 | M12x1.75 | — | — | 9311963021829 |
| M4011400 | M14x2 | — | — | 9311963040899 |
| M4021200 | M12x1.75 | — | — | 9311963011813 |
| M4021400 | M14x2.0 | — | — | 9311963040905 |
| M4021600 | M16x2 | — | — | 9311963006505 |
| M4021800 ★ | M18x2.5 | — | — | 9311963029757 |
| M4022000 | M20x2.5 | — | — | 9311963012414 |
| M4022400 | M24x3.0 | — | — | 9311963016498 |
★ You are viewing the highlighted variant. Other sizes in this series are also available.
Browse our full range of taps & dies at Alltools Geelong.
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