QR 2.85mm/3.00mm (Mirrored)

Complete cold-end, including stepper motor
  • High quality cold-end with geared stepper motor
  • Filament diameter: 2.85mm
  • Type: Mirrrored
Stock - NL: 6
€ 129.34  excl VAT In stock
Only 6 left, order now!
Mounting Orientation
Filament diameter
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Product description

Complete cold-end, including stepper motor. 5:1 geared extruder for high-powered filament extrusion. The Bondtech QR Universal extruder gives you the markets highest performance, precision and reliability. Together with our proven and highly celebrated Dual-Drive technology you can expect problem free material feeding. This is the 2.85mm mirrored version, which comes with a PC2510 Cable and is a great upgrade for your 3D printer!

The QR extruder is a universal solution which fits both bowden and direct driven applications. The housing parts are professionally SLS printed in nylon for maximum strength and precision.

The Bondtech QR utilizes an Nema17 steppermotor with in integrated planatary gear reducer with 5:1 ratio together with precision cnc-machined hardened steel drive gears to give you a compact powerhouse for all your applications. Whether you require high resolution prints with small nozzles or high-flow prints with big nozzles the optimized gearing ratio combined with our industry leading drive gears provides unparalleled pushing power and lightning fast retractions in a lightweight and compact package.

Bondtech Dual-Drive
Bondtech's unique Dual-Drive technology delivers uninterrupted material flow without fear of grinding or slipping in even the most demanding conditions. Bondtech users the world over will attest that even in prints with thousands of retracts our extruders perform flawless, with unmatched precision, and zero damage or degradation to the filament.

Multi-material capability
The QR extruder feeds all material with high reliability, from slippery nylons and soft TPU/TPE filaments to highly rigid and sometimes brittle carbon-filled high-strength materials. The extruder is designed for 1.75 or 2.85/3.00 mm filaments, but has been tested to ensure performance of filament with a wide spread diameter for high reliability regardless of the tolerance of the filament used. The filament path is fully guided throughout the extruder body and the housing maintains tight tolerances to the drive gears mitigating the chances of Filament Misfeed when the hotend experiences increased backpressure or highly flexible filaments are used.

Adjustable tension
The thumbscrew tensioner allows the user to fine-tune the pressure exerted by the drive gears onto the filament. This gives you the power to adjust according to your preferences and to optimize for the type of material you are using.

To be able to do material changes in a snap, simply activate the Quick-Release lever to release the tension and pull the material to be changed out of the extruder, keep it activated and insert the new material.

Feeding direction
The QR feeds material with equal force in both directions so it is flexible when it comes to integrate it in your application.

Multi-application design
This extruder can be used in a Bowden or direct setups and gives you the flexibility to choose what works best for your application. In addition it features an integrated hotend retention method compatible with the E3D-V6 hotends or others using the GrooveMount standard. Mounting your hotend is simple, secure, and wobble free by means of just three bolts.

What's in the box?

  • BondTech QR
  • 700mm stepper motor cable (standard 2510 connector)



gtin 7350011410101
mpn EXT_UNI_30_LH
Extruder properties
Mounting Orientation Mirrored
Supported Filament
Filament diameter 2.85 mm

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