Comgrow 24PCS MK8 Nozzles 3D Printer Review: Who It Fits and Who Should Skip It

What stands out

• Includes 24 brass nozzles in five sizes: 0.2mm, 0.4mm, 0.6mm, 0.8mm, and 1mm.
• Nozzle diameter error is less than 0.02 mm for consistent extrusion.
• Comes with a stainless steel cleaning needle, hex wrench, and tweezers.
• Compatible with Creality Ender 3 series and CR 10 series printers.
• Features a storage box for organized transport and safekeeping of small parts.

Who it fits

Key Specs Explained

Primary Material: Brass

Brass is a standard metal for 3D printer nozzles. It conducts heat well, which helps keep printing temperatures stable. This metal is soft enough to be machined precisely but durable for most common filaments like PLA and ABS. You should choose brass if you print standard materials. It offers a good balance of performance and cost for everyday hobbyist use.

Nozzle Diameter: 0.2mm to 1mm

This kit includes five sizes: 0.2mm, 0.4mm, 0.6mm, 0.8mm, and 1mm. Smaller diameters like 0.2mm create high-detail prints with fine lines. Larger sizes like 1mm print faster and handle thicker layers. The 0.4mm size is the standard choice for general use. Having this range lets you switch between speed and detail without buying new parts.

Input Diameter: 1.75mm

The input diameter specifies the filament thickness the nozzle accepts. A 1.75mm input is the most common standard for desktop 3D printers. You must ensure your printer uses 1.75mm filament, not 2.85mm or 3mm. This specification guarantees compatibility with the vast majority of standard PLA, ABS, and PETG spools available on the market today.

Extruder Nozzle Diameter Error: Less Than 0.02 mm

This tolerance value indicates manufacturing precision. An error margin under 0.02mm ensures the nozzle opening is consistent. This consistency reduces the risk of leaks and prevents unexpected clogging. For you, this means smoother extrusion and more reliable first layers. It is a key spec to check when comparing kits to ensure print quality remains uniform across different nozzles.

Design And Build Quality

The listing describes the nozzles as premium brass components. Brass offers good thermal conductivity, which helps maintain consistent heat during printing. This material choice supports abrasion, heat, and corrosion resistance. The smooth inner walls are designed to reduce friction. According to the listing, the extruder nozzle diameter error is less than 0.02 mm. This tight tolerance helps minimize the risk of print head leaks and reduces nozzle clogging. You get a variety of sizes in the package. The set includes two 0.2mm nozzles, sixteen 0.4mm nozzles, two 0.6mm nozzles, two 0.8mm nozzles, and two 1mm nozzles. The 0.4mm size is the most common for general use. The smaller 0.2mm option allows for high-detail prints, while the larger 0.8mm and 1mm options enable faster layer heights. The kit also provides a storage box for easy carrying. It includes a stainless steel cleaning needle and a hexagon wrench. The cleaning needle is noted for its toughness and ability to clean from multiple angles. The hex wrench simplifies nozzle adjustments. These accessories make it convenient to replace nozzles promptly. The wide compatibility covers most standard 1.75mm filament printers, including many Creality models. This design ensures you have the right tool for various print tasks.

Setup And Daily Use Guide

You install these nozzles by removing the old tip from your extruder and screwing in the new brass component. The kit includes a hexagon wrench to assist with this adjustment. You must ensure your printer is compatible with standard MK8 extruder threads. The listing confirms wide compatibility with Creality Ender 3, Ender 3 Pro, Ender 3 V2, Ender 3 Max, Ender 5 Pro, Ender 3 S1, Ender 3 S1 Pro, Ender 3 Neo, and CR 10 Series printers. You can use these nozzles with all 1.75mm PLA and ABS filaments. The set provides five distinct diameters: 0.2mm, 0.4mm, 0.6mm, 0.8mm, and 1mm. You select the size based on your desired print resolution and speed. The 0.4mm nozzles are the most numerous, with sixteen included, making them ideal for general use. The smaller 0.2mm and larger 1mm options are available for specialized tasks. Each nozzle has an input diameter of 1.75mm and a smooth inner wall. The diameter error is less than 0.02 mm, which helps reduce print head leaks and avoids clogging. For maintenance, the kit includes stainless steel cleaning needles. You can use these needles to clear blockages from multiple angles. The needles are designed with good toughness to resist breaking. You also receive stainless steel tweezers for handling small parts. All items fit into a storage box for easy carrying and organization. This setup allows you to replace worn nozzles quickly and maintain high-quality printing standards.

Before You Buy This Nozzle Kit

You already have the nozzles. Now check your printer. This kit fits MK8 extruders. It works with Creality Ender 3 models and CR 10 series. It also suits other 3D printers using standard 1.75mm filament. You must verify your current extruder type. If your machine uses a different thread, these will not fit. The set includes cleaning needles and a hex wrench. You should keep these tools handy. Nozzles clog over time. You will need to clean them regularly. The included stainless steel needle helps with this task. You may also want spare filament spools. Keep PLA and ABS nearby. This kit is a practical addition to your 3D Printers & Making Tools collection. It replaces worn tips efficiently. You get five sizes for different detail levels. Ensure your print bed is level. This helps avoid clogs. Proper maintenance extends nozzle life. You save money by replacing tips instead of the whole hotend. This is a smart upgrade for regular users.

Check before you buy

• Verify your printer uses MK8 extruder threads.
• Confirm compatibility with Creality Ender 3 or CR 10 series.
• Ensure you have 1.75mm PLA or ABS filament.
• Check if your current nozzle is worn or clogged.
• Keep the included hex wrench and cleaning needle accessible.

The product at a glance

1

Comgrow 24PCS MK8 Brass Nozzles

Best for: Creality Ender and CR series printer maintenance

Primary Material

Brass

Nozzle Diameter

0.2mm, 0.4mm, 0.6mm, 0.8mm, 1mm

View on Amazon: Comgrow 24PCS MK8 Brass Nozzles Affiliate link

This kit includes 24 brass MK8 nozzles for 3D printers. It covers diameters from 0.2mm to 1mm, with 16 at the standard 0.4mm size. The set features smooth inner walls to reduce clogging and leaks. It comes with a storage box, cleaning needle, hex wrench, and tweezers. You get wide compatibility with Creality Ender and CR series printers using 1.75mm filament. This is a practical bundle for maintaining your extruder.

Pros

• Includes 24 brass nozzles in five sizes
• High precision with error less than 0.02 mm
• Comes with storage box and cleaning tools
• Compatible with Creality Ender and CR series

Cons

• Brass material wears faster with abrasive filaments
• Only includes one hexagon wrench
• No mention of heat block compatibility beyond MK8

Good fit if

• You own a Creality Ender or CR series printer
• You need a variety of nozzle sizes for different prints
• You want a complete kit with storage and tools

Skip if

• You print with abrasive filaments like carbon fiber
• You require nozzles larger than 1mm
• You prefer stainless steel or hardened steel nozzles

Verdict: Comgrow 24PCS MK8 Brass Nozzles is a well-rounded kit for users of Creality Ender and CR series printers who need a mix of standard and specialty nozzle sizes. It fits those who value included tools and organized storage for their maintenance supplies.

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