Attributes

Brand	-
Category	Root / Office Equipment, Supplies & Services
Origin	-
Brand	Hongrui
Material	Stainless Steel with Internal PTFE Lining
Filament Diameter Compatibility	1.75mm
Thread Type	M6 Standard Thread
Total Length	40mm
Internal Diameter	2.0mm (Optimized for 1.75mm filament)
Maximum Operating Temperature	240°C
Compatibility	E3D V6, MK8, and most standard hotends
Surface Finish	Polished Stainless Steel
Package Contents	1x Throat Tube

6 reviews

Anonymous

Mar 25, 2026

Rating: 5/5

No more jams!

I was experiencing frequent jams with my old brass throat. Swapping this in took 10 minutes and my print success rate went back to 100%. Great value for the price.

Anonymous

Mar 17, 2026

Rating: 5/5

Essential spare part

Keep a few of these on hand. They are much better than the stock tubes that come with many budget printers. The fit is precise and threads engage smoothly.

Anonymous

Mar 13, 2026

Rating: 5/5

Perfect upgrade for PLA printing

This throat tube solved my clogging issues immediately. The internal PTFE lining is smooth and allows filament to feed effortlessly. Highly recommended for anyone using standard PLA.

Anonymous

Mar 13, 2026

Rating: 4/5

Works well for beginners

Easy to install even for someone new to 3D printing like me. Instructions could be clearer, but once installed, it works perfectly with my Ender 3.

Anonymous

Mar 10, 2026

Rating: 5/5

Reliable for daily use

We use these in our office fleet of printers. They hold up well under continuous operation and maintain consistent extrusion temperatures without degradation.

Anonymous

Mar 02, 2026

Rating: 4/5

Good quality but check your hotend

The build quality is excellent and the stainless steel feels durable. Just make sure your hotend assembly has enough clearance, as it is slightly longer than some generic tubes.

5 FAQ

Q: Do I need to apply thermal paste during installation?

A: While not strictly mandatory, applying a small amount of thermal paste to the threads can improve heat transfer and make future removal easier.

Q: Is this compatible with PETG filament?

A: Yes, it is compatible with PETG, but please ensure your printing temperature does not exceed 240°C to prevent damage to the internal PTFE lining.

Q: What is the exact length of the threaded portion?

A: The total length is 40mm, with approximately 28mm being the threaded section designed to screw into standard M6 hotend blocks.

Q: Can I use this for ABS printing?

A: We do not recommend using this specific tube for ABS if your printing temperatures exceed 240°C, as the internal PTFE may degrade. It is best suited for PLA, PETG, and TPU.

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

A: This package includes only the stainless steel internal PTFE throat tube. The heat break and heater block are sold separately.

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