HMX Jammy - Linear Switch
Best linear switch for enthusiasts seeking a smooth, pre-lubed typing experience.
Experience a remarkably smooth typing journey with the HMX Jammy Linear Switches. Sold in packs of 10, these switches are engineered with a durable POM stem and high-quality PA12/P4 housing for lasting performance. They arrive factory-lubed with Krytox 205g0 on the housing and stem, and Krytox 105 on the springs, ensuring enhanced smoothness. An optional service includes Deskey films for an even more refined feel. Featuring a 57±2g operating force and a 3.7mm total travel distance, they utilize a precision 22mm single-stage spring for consistent actuation.
$12.60
Owner Satisfaction
4.7
/ 5
Category Rank
200
/ 6542
#200 in Keyboard Keys & Caps
Price vs Category Average
-71%
Below average
Switch Type
Linear
/ Linear
Who it's for
- Typists seeking a premium feel without manual switch modification
- Enthusiasts preferring a rich, lower-pitched sound profile
- Budget-conscious builders wanting high-end performance at a lower cost
Who should skip it
- Users who dislike performing manual maintenance or spring lubrication
- Precision typists demanding absolute stem stability during key presses
- Buyers needing reliable, long-term stock availability for future builds
Performance breakdown
Actuation Smoothness
Factory-applied Krytox lubrication delivers a buttery, friction-free typing experience.
Build Consistency
High-quality PA12/P4 housing materials ensure a stable and uniform feel.
Spring Responsiveness
The 22mm single-stage spring provides a snappy, consistent return every time.
Acoustic Profile
POM stem construction produces a clean, satisfying sound signature during use.
Installation Ease
Standard MX-style mounting ensures seamless compatibility with most mechanical keyboards.
Customization Potential
Optional professional filming service allows for a tighter, more refined fit.
Key Specs
Switch Type
Linear
Manufacturer
HMX
Stem material
POM
Top Housing
PA12
Bottom Housing
P4
Operating Force
57±2g
Bottom-out Force
63±2g
Spring
22mm single-stage spring
Features
- Ultra-smooth linear actuation
- Factory pre-lubricated for consistency
- Durable POM stem material
- Optional professional filming service
- Precision 22mm single-stage spring
- High-quality PA12/P4 housing
What customers say
The HMX Jammy Linear Switch is highly praised for its exceptional out of box smoothness, often eliminating the need for manual lubrication. This factory preparation offers significant value to builders. A key highlight is the sound profile; users consistently report a deep satisfying thock or clack, a desirable acoustic quality. Furthermore, tight housing tolerances result in minimal stem wobble, ensuring a stable and premium typing feel. The consensus is that the Jammy delivers performance typically found in much more expensive or modified switches. It stands out as an excellent investment for those wanting a high quality, ready to use linear switch experience, satisfying both tactile feel and acoustic expectations.
Know before you buy
The HMX Jammy switches feature a standard MX-style cross mount, making them compatible with the vast majority of mechanical keyboards that support Cherry MX-style switches.
No, these switches come factory-lubed with Krytox 205g0 on the housing and stem, and Krytox 105 on the springs. They are ready to install right out of the box for a consistent, smooth feel.
The filmed version includes Deskey films, which are placed between the top and bottom housing to reduce internal wobble and create a slightly tighter, more refined sound profile.
The longer 22mm single-stage spring provides a snappier return compared to standard-length springs, giving the switch a more responsive and consistent feel during rapid typing.
These switches have an operating force of 57±2g and a bottom-out force of 63±2g, placing them in the medium-weight category that is comfortable for both gaming and long typing sessions.
The switches are built with a durable POM stem for smooth travel, paired with a PA12 top housing and a P4 bottom housing to ensure structural integrity and a pleasant acoustic signature.
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