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Home / Hot End and Nozzle / 3D Printer Parts Makerbot MK8 Stainless Steel Throat Tube M6X26 PTFE Core

Attributes

Brand -
Category 3D Printing Accessories / Hot End and Nozzle
Origin -
Material Stainless Steel 304
Thread Size M6 x 26mm
Inner Diameter 2.0 mm
Outer Diameter 6.0 mm
Core Material PTFE (Teflon)
Compatibility MakerBot MK8 Extruder
Max Temperature 240°C
Weight 15 grams
Finish Polished Stainless
Package Includes 1 x Bowden Tube

5 reviews

A

Anonymous

Mar 21, 2026

Rating: 5/5

Solved Clogging Issues

My old tube was worn out causing jams. This new one resolved the issue immediately. Highly recommend.

A

Anonymous

Mar 08, 2026

Rating: 5/5

High Quality Build

The stainless steel feels very durable compared to the brass one I had before. PTFE lining is smooth for filament feed.

A

Anonymous

Mar 02, 2026

Rating: 5/5

Exact Replacement

This fit my MakerBot Replicator 2 perfectly. The threading was smooth and it sealed well without any filament leaks.

A

Anonymous

Feb 20, 2026

Rating: 5/5

Fast Delivery

Arrived sooner than expected. Product matches the description exactly. Very satisfied with this purchase.

A

Anonymous

Feb 20, 2026

Rating: 4/5

Good but requires care

Works well but make sure not to overtighten during installation. Otherwise, no issues with print quality.

5 FAQ

Q: Is this compatible with the MakerBot Replicator 2X?

A: Yes, this bowden tube is compatible with the MK8 extruder found on the Replicator 2X.

Q: Does this come with thermal paste?

A: No, this package includes only the bowden tube assembly. Thermal paste is sold separately.

Q: Can I use this with abrasive filaments?

A: We recommend using standard PLA or ABS. Abrasive filaments may wear down the PTFE core faster.

Q: How do I remove the old tube?

A: Please heat the hot end slightly to loosen any residue, then unscrew carefully using a wrench.

Q: What is the maximum temperature rating?

A: The PTFE core is rated for safe operation up to 240 degrees Celsius.

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