Suited for Advanced Users

LulzBot Long Block Hot End Kit, 1.2mm

Accomplish MOAR with the LulzBot Long Block All Metal Hot End. Suited for RepRap and other DIY 3D printers, this 3D printer hot end kit features an extra-long heater block paired with a large 1.2 mm (0.05 in) nozzle diameter to enable faster 3D printing rates and stronger objects. 

While this LulzBot hot end is used in the LulzBot TAZ MOARstruder Tool Head, this hot end will require connector customization and/or modification.


Product Alert (2)
  • Compatibility notice: 

    This LulzBot hot end is not a drop-in replacement for the LulzBot TAZ MOARstruder Hot End due to wiring differences that require additional steps for use. If you need assistance with your tool head please contact our Support Team.

    This all metal hot end requires active cooling. We recommend using the same 5 Volt 40mm Pelonis Low Flow Fan that we use on our LulzBot TAZ and LulzBo Mini.

  • Ordering from outside of the United States?

    Order this product by contacting our sales department by emailing or by phone.

Works with: LulzBot TAZ 6, LulzBot TAZ 5
Support: LulzBot LongBlock Hexagon Hot End Kit, 1.2mm
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  • Features

    The large thermal mass of the extra-long heater block in the LulzBot Long Block Hot End provides a longer filament melting zone. This longer melting zone allows for extruding at lower temperatures or at faster rates of over 100 grams (3.53 oz) per hour. That's a kilogram (2.2 pounds) in 10 hours, and over 2.27 kilograms (5 pounds) of filament in a 24 hour period.

    This hot end is perfect for large objects that require using the full build area of the LulzBot TAZ or other large format 3D printers, due to the large nozzle diameter of 1.2 mm. This allows for layer heights of 0.3 mm to 1.2 mm and for thicker extrusion widths, leading to stronger internal structures and single-walled printed objects, like vases, pipes, and containers. 3D print with smaller layers for strong walls and infill. 

    Larger layer heights will be translucent, shiny, and MOAR eye-catching when used with translucent filament such as t-glasenGen, and INOVA-1800.

  • Parts & Specifications

    Parts Included

    Assembled Long Block Hot End with Terminated Connectors:

    24v Ceramic Heater Cartridge

    NTC 100k Thermistor

    Bed probing wire, terminated with Connector Pin

    LulzBot All-Metal Hot End Aluminum Mounting Plate

    Heater and Thermistor Wire Extension, Partially Terminated with Connectors


    Required Filament Diameter: 3 mm

    Hot End Temperature Range: 120°C - 300°C

    Recommended Layer Heights: 0.3 mm (0.01 in) - 1.2 mm (0.05 in)

    Nozzle Diameter: 1.2 mm

    Required Power System: 24 V

    Required Replacement Tool Head Mount: MOARstruder Tool Head Mount 3D Model

    Additional Items Recommended

    MOARstruder Extruder Body 3D Model

    MOARstruder Extruder Body Brace 3D Model

    Fans: Heat Sink and Dual Print Cooling Fans


  • Resources & Documentation
Watch How the Long Block Hot End Performs in the LulzBot TAZ MOARstruder Tool Head

WARNING: Cancer and Reproductive Harm -