Unchained Robotics company logo
Unchained Robotics company logo

Spin Robotics SD35

The Spin Robotics SD35 – All-in-one screwdriving solution. Inserts 4 screws in less than a minute, even in narrow and hard-to-reach spaces.
The SR35 is a brushless screwdriver system made for use with collaborative robots for safe, easy-to-use, and consistent screw assembly operation for screws requiring up to 3.5 Nm of tightening torque. The SR35 has several build-in features which enhances robot integration and supports collaborative work environments.

2.3 kg


Technical Questions

€9,982.00 - €12,174.00 excl. VAT.

From 1.000,00 € a month with lease buy or installment.

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Versatile use

The automatic bit changer together with the tool allows you to work on multiple projects involving different screw types and sizes. Automate and save your time and money.

No qualifications needed

No experience with robots so far? Our tool is easy to set up, run and operate, all in 10 to 15 minutes.

Safe alongside employees

SD35 features a safety shield and a built-in safety sensor (level-d performance) allowing it to safely work next to employees. Are you ready for a new collaborative colleague? Just plug it in!

Industry 4.0 enabled

Visualize and check your production quality on a screen. No more missing screw and returned batches!

Featured on Unchained TV

ScrewsMechnical Engineering

Automated screwdriving at Danfoss with the Spin Robotics SD35 and a UR Cobot

ScrewsMechnical Engineering

Automated bolting applications with the Spin Robotics SD35

Weight2.3 kg
Dimension325 x 54 x 159 mm
Schraubengrößen Min2 mm
Schraubengrößen Max5 mm
Drehmoment Min0.8
Drehmoment Max3.5
Drehzahl Min0
Drehzahl Max750
Supply voltage48 V
Nominal current8 A
CommunicationURCap Ethernet 24VIO
IP classificationIP53
ESD sicherYes

The Spin Robotics SD35 is made for pick & place screwdriving applications. This means that screws are picked up from an automatic screw feeder positioned within the reach of the robot.



The safety shield covers the bit and screw when on the move, thereby protecting humans from rotating and sharp elements. If the tool hits an object, a safety sensor halts the robot. The built-in safety sensor is a performance level-d. making safe implementation easier.


The supplied teach pen helps to pinpoint the exact position of the holes. When the free-drive button is pressed the tool can be moved to the next position. Use the configurable button to save waypoints.


If multiple different screws are used at the same workstation, an optional bit changer can be acquired and used in combination with additional screw feeders.


Socketed screws can be inserted with up to 15 mm in depth measured from surface to top of the screw.


    • Variant 1 - SD35 collaborative screwdriver. Includes: SD35 collaborative screwdriver, SpinBridge, SpinMount, Spin interface software

    • Variant 2 - Complete Spin Package. Includes: SD35 collaborative screwdriver, SpinBridge, SpinMount, Spin Interface software, Automatic bit changing station, OM-26R screw feeder


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Unchained Robotics is the biggest marketplace for all things automation. We have over 36 brands with 9 different categories such as Cobots, Grippers, Cameras, Starter-kits, End-of-Arm-Accessories, Teaching-kits, Turnkey Solution, Cobot-Base and even
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