Built for Bladesmiths Who Demand Even Heat
The
Evenheat KF 31.5 Extreme is a serious heat treat oven built for makers who push their work. Running on
240V, it gets to temperature fast and holds it dead steady through long soaks.
The 10" W x 6.5" H x 31.5" Deep chamber gives you 1.18 cubic feet of working space. That's enough room to handle a meaningful production batch — knives, small tool work, jewelry heat treat, and similar tasks all fit comfortably.
The Extreme fires up to 2200°F, which covers the vast majority of steels used in knife making and small parts heat treat. It runs on 240V at 30 amps with a NEMA 6-50 plug.
Included with every order
Stand with tool rest, full operator manual, a 2 year limited warranty through Evenheat, free freight shipping to the US Lower 48.
You'll pick your digital controller at checkout. Your options include: TAP Smart touchscreen — virtually unlimited program storage and Wi-Fi capable with the dongle for phone/tablet monitoring; Rampmaster with a numerical keypad, up to 12 firing programs with 8 segments each; Set-Pro — economical digital control. Not sure which one fits your workflow? That's exactly the kind of thing we help with.
Key Features
-
10" W x 6.5" H x 31.5" Deep firing chamber sized for blade and small tool heat treat
-
240V / 30 amp NEMA 6-50 plug — works with most home shop electrical
- Fires up to 2200°F
-
Side-element-only design for dead-even front-to-back heat distribution
-
Side-opening door keeps the hot door away from you during quenching
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Cool-touch phenolic handle with one-handed spring latch
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Door shield protects firebrick and reduces heat at the door handle
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Swing View control enclosure rotates for comfortable viewing and programming
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Optional Power Interrupt Switch for automatic shutoff when opening
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Quiet Drive Solid State Relay available — tighter temperature control, quieter operation, longer element life
-
2 year limited warranty from Evenheat plus free freight shipping to the US Lower 48
Specifications
| Model |
KF 31.5 Extreme |
| Inside Dimensions |
10" W x 6.5" H x 31.5" Deep |
| Exterior Dimensions |
20" W x 19.5" H x 37" Deep |
| Volume |
1.18 cu ft |
| Maximum Temperature |
2200°F |
| Voltage |
240V |
| Amps |
30 |
| Watts |
7,200 |
| Plug Type |
NEMA 6-50 |
| Shipping Weight |
150 lbs |
| Shipping Dimensions |
29" x 29" x 39" |
| Warranty |
2 Year Limited (Evenheat) |
Not sure if this is the right oven for you?
Give us a call. We'll talk through your space, your power setup, and what you're firing, and help you land on the right setup.
📞 (801) 839-5882
Monday to Friday, 9AM to 5PM MST
