Product description: All-Metal Bulldog Universal Extruder can be used for many DIY 3D printers and support both 1.75mm and 3mm filaments, both short distance and long-distance. It is compatible with the most popular hot end, such as E3D/J-head/MK8. 3D Printer All-Metal Bulldog Universal Extruder Aluminium Alloy Extruder for E3D J-head MK8 with 42 Planetary Gear Stepper Motor Shipping list 1. Bulldog Extruder Set (Including the extruder parts+42 stepper motor+Drive gear) *1set 2. Extrusion printhead mounting bracket *1pc 3. PC4-M6 *1pc, PC6-M6 *1pc (used in Bulldog extruder) 4. PC4-01 *1pc, PC6-01 *1pc (used in long-distance feed quick coupler) 5. 4 * 2 Teflon feed tube *1M, 6 * 4 Teflon feed tube *1M (used for 1.75mm and 3mm filaments correspondingly) Note: Extrusion head is not in this kit, customers need to buy it according to your own needs. Bulldog Universal Extruder advantages: 1. Symmetrical design (the motor mounted on the left or right side is ok); 2. Fully assembled and tested; 3. All metal extruder; 4. Stable and precise extruder drive; 5. Drive the extruder directly; 6. You can configure 42 stepper motor or high precision planetary gear motor for the extruder ; 7. Can be used for both short- and long- extruder drive; 8. Easy to switch the filamnet, just simply push the hand rail; 9. Compatible with the most popular hot end, such as E3D/J-head/MK8; 10. Anodized metal surface makes it feel more metallic.
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