Find here what most Frequently Asked Questions we get - Bondtech FAQ

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Customer Service

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Most common questions and their answers

Hi! How can we help?

How to send Bondtech a common message?

We have a Contact Form where you can submit your general comments, suggestions, feedback or any other message to us.

Take me to Contact Form
How to send Bondtech feedback or questions about your website?

You can talk with us using the online chat and selecting the Pre-Sales department.
Click on the chat icon at the right hand bottom of the page to initiate chat. If we are offline, you can still send us a message that will be taken care as soon as we get back online.

You can also use the Pre-Sales Form to submit to us your questions or feedback about our website:

  • navigation;
  • account pages;
  • user registry;
  • pages errors;
  • cart and payents;
  • and more.
Take me to Pre-Sales Form
How to ask Bondtech about one or more products I may want to buy?

You can talk with us using the online chat and selecting the Pre-Sales department.
Click on the chat icon at the right hand bottom of the page to initiate chat. If we are offline, you can still send us a message that will be taken care as soon as we get back online.

You can also use the Pre-Sales Form to submit to us your questions about our products:

  • product compatibility;
  • composition;
  • features;
  • technical details;
  • price;
  • where to buy;
  • and more.

Click the button to go there.

Take me to Pre-Sales Form
How to contact Bondtech because of my order?

You can talk with us using the online chat and selecting the After-Sales department.
Click on the chat icon at the right hand bottom of the page to initiate chat. If we are offline, you can still send us a message that will be taken care as soon as we get back online.

You can also use the Order Related Form to submit to us your questions and requests regarding your order.

This form is for bondtech.se customers only and exclusively takes care of orders placed at our own webshop.
Click the button to go there.

Take me to Order Related Form
How to contact Bondtech to get technical assistance?

You can talk with us using the online chat and selecting the Technical Service department.
Click on the chat icon at the right hand bottom of the page to initiate chat. If we are offline, you can still send us a message that will be taken care as soon as we get back online.

You can also use the Technical Support Form to submit to us your questions or requests regarding installing and using Bondtech products:

  • product setup;
  • damaged product;
  • product not working;
  • other technical issues.
Take me to Technical Support Form
Where can I find my Tracking Number?

A Link to the Tracking Page can be found in the notification email we sent you with the subject “Your Bondtech order is now complete”

In your email, click the link at the end of the following text: “Follow your package here“.

How long does it take to receive my order?

Normally we ship the same day or the day after if the products that you have purchased is in stock.
The stock situation can vary depending of incoming orders and lead-times can be present.
Expected FedEx shipping times is as follows.

  • Europe – 1 day *
  • USA – 3 days*
  • Australia – 4 days*
  • Rest of the world – 3-5 days*


For exact times please use FedEx Get Transit times web page since the time can vary depending on your address, use Sweden, 331 53 Värnamo as the From to address and enter your own address as To address.

Missing items in my delivery, what should I do?

If something is wrong with your delivery please contact us as soon as possible and we will get it sorted out.

You can talk with us using the online chat and selecting the After-Sales department.
Click on the chat icon at the right hand bottom of the page to initiate chat. If we are offline, you can still send us a message that will be taken care as soon as we get back online.

You can also use the Order Related Form to submit to us a description of what is missing in your order.

Take me to Order Related Form
Where does my order ships from?

Currently all orders are shipped from our warehouse located in Värnamo, Sweden. We use FedEx for shipping worldwide and postal services for shipping inside Sweden.

Why do I need to reverse the direction of my stepper motor?

The high resolution and push force of our BMG and BMG based extruders is achieved with a gearing reduction of 3:1. The main gear that engages with the motor gear, does that resolution and torque upscale but, it also reverts the direction of rotation.

In many of the Bondtech upgrade kits we don’t supply the wiring and stepper motors. The originals are used. Because our extruders are connected where the original extruders were, there is a need to swap wires in the connection pins.

You can find information on how to reverse the direction of the stepper motors here:
https://www.bondtech.se/en/customer-service/troubleshooting/#tab_extrusion

If you are using an Upgrade Kit supplied by Bondtech, that includes the stepper motor and wiring, this reversing will not be necessary.

How can I reverse the direction of the stepper motor in the Prusa upgrade?

To use our Prusa Upgrade Kit there is the need to swap wires between pin 1 and 3, blue and red. This motor have the first coil between PIN1 and PIN3 and the second coil between PIN4 and PIN6

PIN2 and PIN5 are not used.

This all refers to the connector at the motor.

What is the recommended retraction setting to use with DDS for CR-10S?

To use the DDS for CR-10S we recommend to use a maximum retraction length of 4 mm, but normally with regular PLA 1.1mm is sufficient. As for the retraction speed we recommend to use max 40 mm/sec, normally using 30 mm/sec is sufficient.

If some problems still persist, isolate the source by doing, one at a time, the following checks:

  • test with another filament spool;
  • check if the nozzle is ok
  • check if the PTFE guide tube that goes into the hotend is in the right position and secure.
Do I need to update the firmware to install a Mosquito heater and thermistor?

Before doing the purchase, be sure your printer can supply enough power. The Mosquito High Temperature Thermistor will require up to 50W.

This thermistor is not linear in its relation between current and temperature, so adjustments have to be made to the firmware, namely an update of the ADC conversion lookup table.

Now, updating the firmware or not will also depend on the firmware your printer is using.

If it is a Duet3D, native support is already enabled. Choose Slice High Temperature Thermistor.

If your 3D printer is using Marlin, the Slice High Temperature Thermistor also has native support. Choose Thermistor #67 in settings.

If you are using firmware that has no native support for this thermistor, you will need to use a different Lookup Table otherwise the printer will show the wrong temperature. Click the button below to open a spreadsheet with the right RC table with ADC.

Open RC table with ADC spreadsheet
How to check Bondtech extruders compatibility?

Our extruders are open use units that may be compatible with many more 3D printer models that the ones we may advertise for. If your printer has enough clearance; if you have, or can make, a customized mount; and if you can adjust the firmware, especially the E-steps value, then you can use Bondtech extruders on many, many 3D printer models out there.

The main features that will limit compatibility of our extruders with 3D printers are:

  • Thickness of the filament: 1.75 or 2.85mm;
  • Type of setup: bowden or direct drive;
  • Possibility of updating the firmware – E-steps and other parameters;

Compatibility Table

Extruder1.75mm?2.85mm?Bowden setup?Direct Drive?E-steps value?
BMGyesyesyes415
BMG-Myesyes415
BMG-X2yesyes415
BMG-X2-Myesyes415
QR 1.75yesyesyes but…476.5
QR 2.85yesyesyes but…492.45
DDGyesyes311
DualDirect (for Raise3D)yesyes415
SingleDirect (for Raise3D)yesyes415
What Drive Gear Kits and compatible with what Extruders?

The 1.75/5.0 Drive Gear Kit can be ONLY used with the following extruders:

  • Bondtech BMG (Bondtech Mini Geared) – standard and mirrored;
  • Bondtech BMG-M (for Mosquito) – standard and mirrored;
  • Bondtech BMG-X2 (dual extrusion) – CC 10.00 and CC 20.00 ;
  • Bondtech BMG-X2-M (dual extrusion for Mosquito);

The 1.75/8.0 Drive Gear Kit can be ONLY used with the following extruders:

  • Bondtech QR (Quick Release) 1.75mm – standard and mirrored;
  • Bondtech V2 (Quick Release) 1.75mm ;

The 3.0/8.0 Drive Gear Kit can be ONLY used with the following extruders:

  • Bondtech QR (Quick Release) 2.85mm – standard and mirrored;
  • Bondtech V2 2.85mm ;
  • Bondtech DDG for Ultimaker.
What Drive Gear Kits and compatible with what Upgrade Kits?

Drive gear compatibility with upgrade kits follows the compatibility with the upgrade kit’s base extruder. In case the upgrade kit you are searching compatibility for, is not in the list below, identify its base extruder and check the compatibility with the extruder itself using the question above.

The 1.75/5.0 Drive Gear Kit can be ONLY used with the following upgrade kits:

  • All Bondtech upgrade kits for Prusa;
  • All Bondtech upgrade kits for Creality (BMG based);
  • All Bondtech upgrade kits for Wanhao (BMG based and custom);
  • Bondtech for Flashforge Creator Pro 2016;
  • Bondtech for Makerbot Replicator 2X;
  • Bondtech for Makerbot Replicator 2 Single;
  • Bondtech for Raise3D SingleDirect;
  • Bondtech for Raise3D DualDirect;
  • Bondtech for Tevo Tornado (BMG based);

The 1.75/8.0 Drive Gear Kit can be ONLY used with the following upgrade kits:

  • at the moment no upgrade kits use these gears.

The 3.0/8.0 Drive Gear Kit can be ONLY used with the following upgrade kits:

  • All upgrade kits for Ultimaker (DDG and QR 2.85 based);
  • All upgrade kits for BCN3D (QR 2.85 based) ;
Is the DDS compatible with Volcano and Super Volcano nozzles?

Yes, the DDS is compatible with Volcano and Super Volcano.

Our DDS is supplied with a genuine E3D V6 All-metal Hotend. The hotend comes with a 0.4mm V6 brass nozzle.

The hotend in the DDS can be upgraded to use the Volcano.
To do so, you need to be able to move the Z-height of the end stop or lower the build-plate the extra height differences from the standard E3D heat block and the volcano.

You also need to use another fan shroud for the part cooling fan that you need to 3D print.

We have the STL file available here:
https://github.com/BondtechAB/Bondtech-CR10s/raw/master/CAD-Files/10067-3V%20CR10%20Direct%20Fan%20Shroud%20Volcano.STL

You will use the same heat-break and heat-sink supplied with the DDS. You will need Volcano nozzles and heat block.

The same goes for the Super Volcano, although lowering the build plate will not be enough to cover the difference in height. Remember the more you raise the Z end-stop, the less Z-height you will have available.

If you raise the Z end-stop, remember to update your machine settings and lower the Maximum Height the same amount you raised it.

What E-steps should be used for each Bondtech Extruder?

As the slicer tells how much filament should be extruded for each move the controller board uses the e-step value to determine how many steps it needs to send to the motor in order to feed the correct length of filament. Since drive-gear diameter and gearing ratio affects the number of e-steps needed it must be adjusted in order to get the correct extrusion length.

The E-step values for our extruders are:

ExtruderE-steps value?step angle @ micro-stepping
BMG4151.8° @ 16bit
BMG-M4151.8° @ 16bit
BMG-X24151.8° @ 16bit
BMG-X2-M4151.8° @ 16bit
QR 1.75476.51.8° @ 16bit
QR 2.85492.451.8° @ 16bit
DDG3111.8° @ 16bit
DualDirect (for Raise3D)4151.8° @ 16bit
SingleDirect (for Raise3D)4151.8° @ 16bit

To adjust the e-steps presented above to your printer, that into consideration the following:

  • If the stepper motor you are using is a 0.9° per step, double the e-steps.
  • If the board is set @ 32bit microstepping, double the e-steps.
How much should I tighten the hinge's thumbscrew?

We recommend the following regarding the thumbscrew setup:

When tightening the thumbscrew onto the metal threaded insert use at most 0.4Nm torque (don’t force it too much). Using excessive torque will damage the laser sintered nylon that holds the metal insert in place.

Considering the above, tighten it all the way in and then loosen it:

  • 1 to 2 full turns to use hard filament;
  • 3 to 4 full turns to use soft filament (flexible).
Can you send me STL models?

STL files > Download 3D printable parts



 Name of partFor STL 
 Filament Guide 1.75Bondtech BMG and QR Click to download 
 Filament Guide 3.00Bondtech QR Click to download 
 Bowden Clip 1.75Bondtech BMG and QR Click to download 
 Bowden Clip 3.00Bondtech BMG and QR Click to download 
 Standard MountBondtech BMG Click to download 
 CR-10 MountBondtech BMG Click to download 
 CR-10S Mount CompleteBondtech BMG Click to download 
 Standard MountBondtech QR Click to download 
 Mankati Lefthand MountBondtech QR Click to download 
 BCN3D Sigma MountBondtech QR Click to download 
 Kossel Pro MountBondtech QR Click to download 
 Mankati Righthand MountBondtech QR Click to download 
 Mankati Lefthand MountBondtech QR Click to download 
 RepRap MountBondtech QR Click to download 
 Rostock Max MountBondtech QR Click to download 
 Rostock Max v3 MountBondtech QR Click to download 
 Ultimaker 2 MountBondtech QR Click to download 
 Ultimaker Original MountBondtech QR Click to download 
 Sensor Bracket Plastic FittingBondtech DDS for Creality CR-10S Click to download 
 Sensor Bracket Dual FittingBondtech DDS for Creality CR-10S Click to download 
 Fan Shroud for VolcanoBondtech DDS for Creality CR-10S Click to download 
 BLtouch Bracket v1.1Bondtech DDS for Creality CR-10S Click to download 
 BLtouch bracket for VolcanoBondtech DDS for Creality CR-10S Click to download 
 Cabel ClipBondtech DDX for Creality Click to download 
 Sensor add-on – LeverBondtech Upgrade Kit for Prusa i3 MK3 Click to download 
 Sensor add-on – Sensor CoverBondtech Upgrade Kit for Prusa i3 MK3 Click to download 
 Sensor add-on – Sensor HousingBondtech Upgrade Kit for Prusa i3 MK3 Click to download 
 X-Carriage MK3 MK3S BearBondtech Upgrade Kit for Prusa i3 Click to download 
 X-Carriage R2 MK2.5SBondtech Upgrade Kit for Prusa i3 Click to download 
 X-Carriage R2 MK3SBondtech Upgrade Kit for Prusa i3 Click to download 
 X-Carriage R2 RearBondtech Upgrade Kit for Prusa i3 Click to download 
 Shim Rev1Bondtech Dual Direct Upgrade Kit for Raise3D Click to download 
 Shim Rev2Bondtech Dual Direct Upgrade Kit for Raise3D Click to download 
 BLtouch Holder Bondtech Upgrade Kit for Wanhao D9 Click to download 
 Cooling Fan Adapter Bondtech Upgrade Kit for Wanhao i3+ Click to download 
Can you send me STEP models?

STEP files > Download dummy geometries inside ZIP archives



 Bondtech ProductVariationAddOns STEP 
 Drive Gears 1.75 / 5.00 mm Click to download 
 Drive Gears 1.75 / 8.00 mm Click to download 
 Drive Gears 2.85 / 8.00 mm Click to download 
 BMG ExtruderStandard (RH) Click to download 
 BMG ExtruderMirrored (LH) Click to download 
 BMG ExtruderStandard (RH)with ALU Mount Click to download 
 BMG ExtruderMosquito (BMG-M) Click to download 
 BMG-X2 Dual ExtruderCC18 Click to download 
 BMG-X2 Dual ExtruderCC20 Click to download 
 BMG-X2 Dual ExtruderCC20with Cyclops Aqua Click to download 
 BMG-X2 Dual ExtruderMosquito (BMG-X2-M) Click to download 
 BMG-X2 Dual ExtruderMosquito (BMG-X2-M)with Hotends Click to download 
 QR Extruder1.75mm Standard (RH) Click to download 
 QR Extruder1.75mm Mirrored(LH) Click to download 
 QR Extruder3.00mm Standard (RH) Click to download 
 QR Extruder3.00mm Mirrored(LH) Click to download 
 Sensor Housing for Upgrade KitPrusa i3 MK2.5 / MK3 Click to download