Maxim Kachurovskiy

Electronic lead screw controllers

Sorry, I'm out of stock. Controllers are no longer available for sale. Restocking isn't planned for now.

H4 controller

More than 100 controllers were sold from 2023 to 2024 - big thanks to everyone who ordered one.

Automates manual metal lathe operations greatly increasing its capabilities:

Software and manual on GitHub

Datasheet PDF

Videos about H4 controller


Controllers are shipped from Germany with tracking. Estimated shipping times vary from 2 days up to 1 month depending on the destination country.

Customs fees and duties (if any) are the responsibility of the customer.

Contact information

Maxim Kachurovskiy,

Konzeller Str. 26, 85635 Höhenkirchen-Siegertsbrunn, Germany

Online Dispute Resolution:

UK Producer Registration number: WEE/BU6788YD

LUCID-Register-Nr.: DE2723347527970

WEEE: DE34985297, RL00044054

Refund policy

European Union 14 day cooling off period: if the merchandise is being shipped into the European Union, you have the right to cancel or return your order within 14 days, for any reason and without a justification. As above, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

Worldwide: if the product is not delivered within 6 weeks after payment or you aren't happy with the controller, you are eligible for a refund that will be provided within 2 weeks.

Privacy policy

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