HotShot Knife Oven HS-18K - 6.5" x 4.5" x 18" - 2200°F
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HotShot HS-18K Knife Heat Treat Oven – Built for Precision, Designed for Makers
The HotShot HS-18K is a premium, USA-made knife heat treat oven engineered with feedback from real knife makers and blacksmiths. With an extended 18-inch chamber, this model offers plenty of room for longer blades or multiple pieces—ideal for makers looking to bring professional-quality heat treating into their own shops.
This compact yet powerful oven reaches up to 2200°F, with dual voltage options to fit your setup: the 120V model hits 2000°F in just 50 minutes, while the 240V version gets there in 25. Thanks to its side-mounted heating elements, you'll get even, consistent temperatures with no hot or cold spots.
Safety and ease-of-use are at the heart of the design. The HS-18K features a cool-to-touch exterior, solid-state relay, cooling fans, an alarm, and door switch—all included at no extra cost. The removable side-opening door makes access easy and efficient, even in tight spaces like home shops or garages.
Looking to reduce surface scale on your steel? Just add the optional Argon Gas Kit to elevate your results even further.
Whether you're hardening, tempering, or experimenting with exotic steels, the HS-18K delivers the precision, control, and safety serious makers demand.
STANDARD:
Novus – The N1030T series of PID (proportional–integral–derivative controller) temperature controllers have been designed for non-experienced novice users for combining extreme simplicity in operation with quality performance found in expensive high-end controllers. The Novus N1030T can be operated by simply turning on the oven and setting the temperature needed. Streamlined Design: you do not need to create programs in the 1030T, making it perfect for straightforward heat processing.
UPGRADED CONTROLLERS:
| 15amp/110V | 20amp/240V | |
| Max Temperature | 2200°F | 2200°F |
| Plug Voltage | 110V | 240V |
| Max Amp Draw | 15 Amps | 12 Amps |
| 1-Phase Circuit | 15 Amps | 20 Amps |
| Break-in Period | 4-5 Hours | 4-5 Hours |
| Length of Cord | 6ft | 6ft |
| Weight | 67lbs. | 67lbs. |
| Exterior Dimensions | 27”Lx19”Wx14”H | 27”Lx19”Wx14”H |
| Interior Dimensions | 18”Dx6.5”Wx4.5”H | 18”Dx6.5”Wx4.5”H |
| Warranty | 18 Months | 18 Months |
The Perfect Oven For Knife Making
Heat treating knives is done to harden the steel for sufficient use and to not cause any damage or weakness to the knife. Owning your own oven allows you to heat treat on your time and not have to wait for the heat treating facility.
What is heat treating?
Heat treating can improve the strength, durability and reduce wear on material. It is the process of heating metal to a certain temperature, ramping the temperature(s) at a certain rate of time, soaking or holding it at the temperature(s) and then cooling it.
Why heat treat?
The purpose of heat treating is to bring steel to a hardened state. The correct hardness depends on the application of the steel being treated.
Why would I want my own oven to heat treat?
The main reason you would want to do your own heat treating is to save time and money. Heat treating facilities can often be backed up, expensive and require certain size batches of material to be done at one time. Heat treating knives allows the knife to get to a hardness level that will not cause the knife to bend, get damaged or cause any weak parts.
Constructed to last
Hotshot ovens are specifically designed with the end user in mind. Hot Shot ovens feature a full swing side opening door to allow safe and easy insertion and removal of material as well as a cool-to-touch one-handed handle made from high-quality stainless steel for easy opening and closing.
Hot Shot ovens are constructed with a high-quality powder coated shell. The high-density fiber insulation in a Hot Shot oven is machined to high tolerance specifications so that each piece fits perfectly together to provide a proper seal, ensuring that it will maintain its temperature and work efficiently to prevent loss of heat. Each oven comes with a removable high-density floor. This is ideal to assist with project setup or if it needs to be replaced.
Hot shot uses Kanthal A1 heating elements, a type K thermocouple and every oven comes standard with a solid state relay at no additional charge.
Advanced Features
Solid State Relay
Unlike many other ovens & kilns all Hot Shot ovens come standard with a solid state relay. Having a solid state relay eliminates the distractive clicking noise that a mechanical relay makes. A solid state relay is also more dependable and provides a longer life expectancy than that of a mechanical relay.
Programmable Alarm
Each unit comes standard with an integrated alarm that can be set to alert the user when a desired point or temperature is reached in the program.
Safety Door Switch
We also have integrated a safety door switch that will de-energize the heating
element when the door is open.
Argon Gas Inlet Flow Meter Kit (Optional)
Argon is usually delivered at dew point less than -75°F with an oxygen content below 20 ppm. This gas provides an inert atmosphere and is suitable for a variety of heat treatment processes.
Annealing (non-ferrous metals, stainless steel, and alloy steel)
Brazing
Sintering
Hot Shot offers this well-designed and easily adaptable Argon kit for all your heat-treating needs. Includes flow meter, tubing, fittings and ceramic dispensing needle.
(Argon gas not included)
