HMX K01 Light Tactile Switch: Who Should Build With It?

HMX K01 Light Tactile Switch: Common Questions

What makes the HMX K01 a light tactile switch?

HMX describes the K01 as its first light-tactile switch. The tactile bump is smaller than a full tactile, giving moderate feedback rather than a sharp, heavy event. The operating force is 45±2g and bottom-out force is 57±2g, so the switch stays in a lighter range while still giving you a tactile cue.

How does light tactile typing compare with linear switches?

A linear switch moves smoothly with no bump, so the feel is consistent from top to bottom. The K01 adds a small tactile bump and a 2.0mm pre-travel, then a 3.8±0.2mm total travel. That means you feel a gentle confirmation as you type, but the overall effort stays light. If you want zero bump and pure smoothness, a linear is still the better match; if you want a little feedback without a heavy tactile wall, the K01 is the middle ground.

Is the HMX K01 factory lubed, and what does that cover?

Yes. The stem legs and stem sliders have a very thin coat of 205g0, and the spring and leaf are lubed with dry film. Everything else is dry, and there is no lube in the bottom housing or near the stem pole. That combination keeps the switch clean and crisp out of the box, but it also means the factory lube is targeted rather than heavy.

What does the HMX K01 feel and sound like?

The PA66 top housing has a matted surface, similar to the HMX Sonja, which creates a grainy, slightly scratchy feeling during typing. The POM stem and non-modified PA66 housing keep the classic HMX clack without making it overly loud or high-pitched. The long-pole design is present, but the stem pole is not extended by much, so the 3.8mm bottom-out feels solid rather than abrupt.

Is the HMX K01 a good tactile switch for beginners?

It can be a sensible starting point if you are curious about tactile switches but do not want a heavy bump. The moderate feedback and light forces make it forgiving for daily typing, and the factory lube means you do not need to open the switch to get a usable feel. Beginners who prefer a completely uniform keystroke may still prefer a linear switch.

How many switches should I buy to test the K01?

The HMX K01 is sold in packs of 10 (X10 in loose packaging) or 90 (X90 in a switch container). A 10-piece pack lets you try the switch on a few keys before committing to a full board. Note that orders of X90 or more come in the brand-new switch container.

HMX K01 specs that affect the build decision

• HMX K01 Light Tactile Switch Factory Lubed (10PCS): Switch type: Light Tactile; operating force 45±2g; bottom-out force 57±2g. These figures define the light effort and moderate feedback that separate the K01 from heavier tactiles.

  

• HMX K01 Light Tactile Switch Factory Lubed (10PCS): Pre-travel: 2.0mm; total travel: 3.8±0.2mm. The short total travel gives a solid bottom-out without a long, deep keystroke.
• HMX K01 Light Tactile Switch Factory Lubed (10PCS): Factory lube: stem legs and stem sliders have a very thin coat of 205g0; spring and leaf are lubed with dry film; everything else is dry. You know exactly what is lubricated and what is not, so you can decide whether the out-of-box feel matches your preference.
• HMX K01 Light Tactile Switch Factory Lubed (10PCS): Top housing: PA66 with matted surface (same as Sonja); bottom housing: PA66; stem: POM. The matted top housing contributes the grainy feel, while the POM stem and PA66 housing preserve the classic HMX clack.
• HMX K01 Light Tactile Switch Factory Lubed (10PCS): Sold as X10 in loose packaging or X90 in a switch container; 1 quantity = 10 switches. The pack sizes let you test a small set first or buy a full board quantity with the container.