Bondtech BMG-M Australia

BMG-M Mosquito Extruder - 1.75mm - Genuine Bondtech

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  • Bondtech BMG-M Extruder:

    The Bondtech BMG-M is a new version of the renowned BMG designed to bolt right onto the Slice Engineering Mosquito and Mosquito Magnum hotends. Combing the power of Bondtech dual drive gears with the superior hotend performance and versatility of the Mosquito hotend into the ultimate extruder hotend combination. Add on a 22mm pancake stepper motor for a seriously lightweight direct drive extruder/hotend that won't limit your creativity.

    • Dual-drive gears cnc'd from Nicel coated hardened steel
    • 3:1 step down gear set for more power
    • LIGHT! (75g)
    • Flexible material performer
    • Quick filament change
    • Adjustible grip tension
    • Suits NEMA17 5mm shaft steppers
    • Various ways to mount
    • 1.75mm filament
    • The retraction master

    Back up your new Mosquito hotend with the right extruder for any job. 

    What’s in the box

    The following elements are supplied with the BMG-M:

    • BMG-M Assembly with Drive Gears and Push-fit;
    • Thumbscrew Assembly;
    • Brass Motor Gear with Set Screw

    Nickel Coated Hardened Steel Drive Gears

    The Bondtech BMG-M utilizes an internal gearing ratio of 3:1 together with precision cnc-machined NIckel Coated 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

    Our 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

    Our BMG 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 mm filaments, but has been tested to ensure performance of filament from 1.5mm up to 2.0mm allowing 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 back pressure 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.

    Optimized design

    This extruder is optimized for the Mosquito / Mosquito Magnum hotends with and integrated torque lock system to make the interface very strong and makes nozzle changes a breeze. Mounting your hotend is simple, secure, and wobble free by means of just two bolts.


    The following parts are NOT included in this product: mounting bracket; stepper motor; Hotends; Heaters, Thermistors, and their Cables.

    To use this Bondtech Extruder, you will also need to buy the following:
    • a Mosquito Hotend or a Mosquito Magnum Hotend for higher material flow;
    • the Boron Nitride Paste;
    • the Mosquito Thermistor;
    • the Mosquito 12v 50w Heater Cartridge or the Mosquito 24v 50w Heater Cartridge;

    Optional items

    • one or more Vanadium Nozzles;
    • a Mosquito 12v fan or a Mosquito 24v fan to cool down the hotend;
    • a 1.5Nm Torque Wrench to properly tighten the nozzle(s).


    Flexible mounting options

    We have designed a standard mounting bracket CNC-machined in 3 mm aluminum for maximum stability. Please see below for available mounts.

    The extruder fits any Nema17 stepper motor with a standard 5 mm shaft. For suitable stepper motors, please select one from our webshop or use your own motor.

    Weight without motor: 75g
    E-step value: 415



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