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Home / Pig Herding Tool / 3D Printer Accessories: Long Throat Tube for Makerbot MK8 Hotend, M6x30, M6x40, M6x50mm

Attributes

Brand -
Category Livestock & Farming Supplies / Pig Herding Tool
Origin -
Material Stainless Steel
Thread Size M6
Available Lengths 30mm, 40mm, 50mm
Compatibility Makerbot MK8 Hotend
Inner Diameter 2.0mm
Outer Diameter 6.0mm
Surface Finish Polished
Heat Resistance Up to 300°C
Package Contents 1x Long Throat Tube
Weight 15g

6 reviews

A

Anonymous

Mar 27, 2026

Rating: 5/5

Essential upgrade

Great value for money. The M6x40 size was exactly what I needed for my custom cooling block design.

A

Anonymous

Mar 25, 2026

Rating: 5/5

Robust construction

Very solid piece of hardware. The polished interior helps filament glide through without resistance. Will buy again.

A

Anonymous

Mar 22, 2026

Rating: 5/5

Perfect fit for my MK8 setup

The threading is precise and the length options allowed me to customize my hotend perfectly. No more clogs with flexible filaments.

A

Anonymous

Mar 15, 2026

Rating: 5/5

Solved my retraction issues

Switching to this longer throat tube significantly improved my print quality with PLA. Highly recommend for anyone modifying their extruder.

A

Anonymous

Mar 04, 2026

Rating: 4/5

Good quality, slight installation tightness

The steel feels durable and high quality. It was a bit tight to screw in initially, but once seated, it works flawlessly.

A

Anonymous

Mar 02, 2026

Rating: 4/5

Works well after calibration

Had to recalibrate my E-steps after installation, but the print results are much smoother now. Good product.

5 FAQ

Q: What is the maximum temperature this can withstand continuously?

A: The stainless steel construction can safely handle continuous operation up to 300°C, which covers most standard printing materials including ABS and Nylon.

Q: Is this compatible with E3D V6 hotends?

A: This specific tube is designed for Makerbot MK8 hotends. While dimensions may seem similar, we recommend checking your specific thread pitch and seating depth before attempting installation on E3D systems.

Q: Do I need PTFE tape for installation?

A: Generally, no. The M6 threads are designed to seal metal-to-metal. However, if you notice minor leaks, a small amount of high-temperature thread sealant can be used, but avoid getting any inside the bore.

Q: Which length should I choose for printing TPU?

A: For flexible filaments like TPU, the 50mm option is often preferred as it provides a longer thermal break, reducing the chance of the filament softening too early in the path.

Q: Does this come with a heat sink or just the tube?

A: This listing is for the long throat tube only. The heat sink and heater block are not included.

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