Attributes

Brand	-
Category	Root / Office Equipment, Supplies & Services
Origin	-
Compatibility	Bambu Lab X1, X1-Carbon, P1P, P1S, and A1 Mini
Material Composition	Hardened Steel Nozzle with Copper Alloy Heat Break
Throat Design	TZ4.0 Integrated Metal Tube Technology
Nozzle Diameter	0.4mm (Standard)
Maximum Temperature	300°C Continuous Operation
Filament Support	PLA, PETG, ABS, ASA, Carbon Fiber, and Glass Fiber
Assembly Type	Pre-assembled Hotend Unit for Quick Swap
Thermal Efficiency	Optimized Heat Zone for Reduced Clogging
Package Contents	1x Hotend Assembly, 1x Silicone Sock, Installation Guide
Warranty Period	6 Months Manufacturer Defect Coverage

6 reviews

Anonymous

Mar 31, 2026

Rating: 5/5

Perfect upgrade for abrasive filaments

I switched to this hardened steel assembly specifically for printing carbon fiber nylon, and it has been flawless. The TZ4.0 design seems to prevent the clogs I used to get with the stock brass nozzle. Installation on my X1C took less than 10 minutes.

Anonymous

Mar 25, 2026

Rating: 5/5

Solid build quality

The machining on the metal components is top-notch. No leaks, perfect threading, and it seated correctly on the first try. Highly recommended for anyone pushing their printer to higher temperatures.

Anonymous

Mar 13, 2026

Rating: 3/5

Good but requires calibration

The hardware itself is great, but I had to re-run the flow rate calibration after installing it to get optimal results. Once calibrated, prints look good, but expect to spend some time tuning.

Anonymous

Mar 09, 2026

Rating: 4/5

Great performance, slightly pricey

The print quality is excellent and the heat distribution feels very consistent. My only hesitation is the price point compared to generic alternatives, but the integrated tube design gives me peace of mind regarding reliability.

Anonymous

Mar 06, 2026

Rating: 5/5

Essential for serious users

If you own a Bambu Lab printer and plan to do any serious engineering work, this is a must-have. The durability of the hardened steel combined with the efficient throat design makes it worth every penny.

Anonymous

Mar 05, 2026

Rating: 5/5

Eliminated my jamming issues

I was experiencing frequent jams with the stock hotend when switching between materials. This upgraded assembly has completely solved that problem. The flow is smooth and consistent even during long prints.

5 FAQ

Q: Is this compatible with the original Bambu Lab X1 non-Carbon version?

A: Yes, this TZ4.0 hotend assembly is fully compatible with the original X1, as well as the X1-Carbon, P1P, and P1S models.

Q: Does this come with a silicone sock?

A: Yes, the package includes one high-temperature silicone sock to help maintain thermal stability and protect the heater block.

Q: What is the difference between TZ4.0 and the stock throat?

A: The TZ4.0 features an integrated metal tube design that reduces the gap where filament can get stuck, significantly lowering the risk of clogs compared to the stock PTFE-lined throat.

Q: Can I use this with PLA at standard speeds?

A: Absolutely. While designed for high-performance and abrasive materials, it works exceptionally well with standard PLA, offering improved heat creep resistance.

Q: Do I need to update firmware before installing?

A: No firmware update is strictly required for installation, but we always recommend running the latest firmware for optimal printer performance and sensor accuracy.

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