Hardened Shaft 3d Printers of 2025
Best Choice1
3DTOOLS3DTOOLS Original Bamboo Lab Hardened Steel Extruder Kit for Bambu Lab X1,X1C 3D Printer (X1 Series)
Main highlights- These gears enable the extruder unit to handle tough engineering filaments such as carbon fiber nylon and glass fiber nylon.
- The hardened steel extruder unit is equipped with double gears made of hardened steel, which provides increased extrusion force, prevents slippage,and enhances abrasion resistance.
- In addition, the extruder unit includes a sensor that supports filament break detection, which can help prevent print failures and improve overall printing efficiency
9.8Exceptional
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Value for Money2
BELLA BAYSLinear Motion Rod 1pc 25mm x 500mm (0.984 x 19.69 inches) Metric Case Hardened Chrome Plated Linear Shaft Rail Guide for 3D Printer DIY CNC - Metric h8 Tolerance BELLA BAYS
Main highlights- 【Wide Application】CNC, 3D printer, automatic machinery, injection molding machine, engraving machine. Mostly as key parts in supporting function and bearing system.
- 【Strict Tolerance&High Hardness】Metric h8 tolerance. Diameter 25mm(0.984"), tolerance -0.01mm to -0.03mm. Length 500mm(19.69"), tolerance ± 0.1mm. Straightness≤0.1/1000mm. Hardness: 55-62 HRC.
- 【Premium Material with Surface Plating】Made with high quality C45# carbon steel, ensuring excellent wear resistance and high strength properties for a high performance linear motion rod. Surface chromium plating thickness 0.01mm to reinforce hardness.
- 【In the Package】1pc 25mm x 500mm linear motion shaft.
- 【Better Shaft by Quenching&Chamfering】Case hardened by high frequecy quenching. Bevelled on both ends to ensure safety and easiness in assembling other parts on the rod shaft to reinforce hardness.
9.7Exceptional
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3
Vigorous2 PCS 8mm x 500mm (0.315 x 19.69 inches) Vigorous Linear Motion Rods, Case Hardened Chrome Shaft Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance
Main highlights- Wide Application: Widely applied in CNC, 3D printer, automatic machinery, injection molding machine, engraving machine, etc. especially in bearing purpose.
- What You Get: 2Pcs 8mm x 500mm Linear Motion Rod Pack
- Tolerance: Diameter tolerance about -0.01to-0.03mm, Length tolerance about ± 0.1mm
- Humannized Design: Our linear motion guides are chamfered about C1.0--45°on both ends in order to ensure safety and easiness in assembling other parts on the rod shaft.
- Great Performance Material: 45# Carbon steel, Hardness about HRC55-62, Surface roughness about Ra0.05-08, Straightness≤0.1/1000mm, Chrome plated thickness about 0.01mm
9.6Exceptional
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4
FeyrinxLinear Motion Guide, FEYRINX 2PCS 6mm x 500mm (.236 x 19.69 inches) Case Hardened Chrome Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance
Main highlights- WHAT YOU GET: 2PCS 6mm x 500mm Linear Motion Shaft. 30-Days money back guarantee, 1-Year warranty, 24/7 friendly customer service.
- HIGH HARDNESS: Adapting C45 high quality steel, high frequency quenching, surface chromium plating(10um-20um). The case hardness could be reach to 55-60 HRC. Durable and corrosion-resistant.
- HIGH ACCURACY: Diameter 6mm, tolerance -0.005mm to -0.03mm ( 5.995mm - 5.97mm), length 500mm, tolerance ± 0.5mm ( 499.5mm - 500.5mm ).
- EXTENSIVE APPLICATION: Widely applied in CNC, 3D printer, automatic machinery, injection molding machine, engraving machine, etc. especially in bearing purpose.
- EASY TO USE: Taking the role as round steel shaft with linear support blocks and closed type slide units, suitable for high speed, low noise and high precision equipment.
9.5Excellent
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5
PHAETUSPHAETUS RNC Nano Coating Hardened Steel Dual Drive Gears Kit Upgrade Compatible with Prusa MK3 MK3S 3D Printer DDB Sherpa Extruder
Main highlights- The overall hardness of the hardened steel substrate reaches HRC60+ , The more wear-resistant surface adopts RNC-based nano-coating, ultra-high hardness HV3300
- The dimensional accuracy of the inner hole is 0.02mm, which is closely matched with the shaft and has high concentricity
- The Gears (5mm bore) are made from Hardened steel material, RNC nitrogen-based chain super wear-resistant extrusion wheel
- Curved teeth beat 0.03mm, Which is closely matched with the shaft and has high concentricity, The driving force is 15KG. Hardened steel.
- All-metal high-temperature printing at 500+℃, compatible with multiple models.
9.4Excellent
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6
Litoexpe2-Pack 8mm x 250mm Linear Motion Rods Shaft Guide for 3D Printer and DIY Craft Tool, Case Hardened Chrome, Diameter 8mm, 5/16" x 9.84"
Main highlights- Wide Application: Suitable for 3D printer, CNC, automatic machinery, injection molding machine, engraving machine, etc.
- What You Get: 2-Pack 8mm x 250m Linear Motion Shaft, Diameter 8mm, tolerance -0.005mm to -0.03mm ( 8.995mm - 8.97mm), length 250mm, tolerance ± 0.5mm ( 249.5mm - 250.5mm ).
- Premium Material: Linear motion rod is made of carbon steel, surface chromium plating(10um-20um), improve hardness and prevent rust.
- Practical Design: Chamfer on both ends, easier to install linear bearings and won't hurt fingers when installing it.
- 100% Risk-Free Shopping: We offer a 30-day return and replacement service. To ensure 100% customer satisfaction, if you have any questions, please feel free to contact us, we will try our best to help you, thank you very much for your support!
9.1Excellent
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7
HOCPKOT2Pcs 16mm x 500mm Linear Rail Rod Shaft Case Hardened Chrome Linear Motion Guide for 3D Printer
Main highlights- length:500MM.tolerance ± 0.5
- Widely used in CNC, 3D printer, automatic machinery, injection molding machine, engraving machine, etc. especially in bearing purpose.
- Material:C45 carbon steel（surface chromium plating）.
- Diameter:16MM.
- 2Pcs 16mm linear rod 500 mm
9.0Excellent
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8
POLISI3DPOLISI3D 3D Printer Hardened Steel MK3 Drive Gear extruder Dual Gears kit DriveGears Extrusion Wheel for Upgrade Prusa i3 MK2/MK2S/MK2.5 MK3S 3D Printer
Main highlights- extruder dual gears for prusa i3 Mk3
- drivegears kit for upgrade MK2/MK2S/MK2.5 3D Printer
- Material : hardened steel, black treatment to advoid rusting
- 3D Printer Drive gear for Prusa i3 mk3
8.8Very Good
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9
POLISI3DHigh Precision DIY 3D Printer Dual Direct Drive Basic Kit with Nickel Plating Hardened Steel Gears Compatible with DDB Extruder (Basic Kit)
Main highlights- This Basic kit is compatible with DDB extruder DIY and other the same type extruder, about the printed parts file, you can download it at Thingiverse Forume
- Package: 1 Set direct drive Basic kit (Not including printed parts)
- For the big shaft gear, it may come with white or Black color, please know before ordering.
- Dual Drive gears is made from Hardened steel material with high precision, and nickel plating, while Pinion Gear is made from brass material.; for the Black ( or White) shaft gear, which is injected with stainless steel rod, it is stable
8.7Very Good
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10
XirbboNeptune 4 Upgrade Integrated Dual Gear - Nano-Coating Gear Kit Replacement: Hardened Steel Helical Gear One Piece Shaft 3D Printer Accessory for Original Direct Drive Extruder Hot End
Main highlights- The nano-coated surface of the filament drive gears prevents corrosion and oxidation, extending the life of the extruder
- Stronger filament feeding force: The filament feeding gears are made of high-strength mould steel with nano-coating treatment on the surface, and the helical gears are designed to mesh better with the 3d printing material, which makes the gear transmission smoother and the power transmission more linear. The greater the degree of transmission contact, the longer the meshing time, the lower the stress, thus improving the gear's load-bearing capacity and prolonging its service life
- Simple installation, no firmware or software required, dual gear feed, and upgraded DLC-coated dual gear metal resists wear and tear for long service life
- Material: Pom and nano-coated mould steel + CNC machining
- Gear upgrading: The driving gear adopts double ball bearings instead of the original needle bearings, with smaller clearance and higher precision. The overall HRC hardness value of the gear is up to 62-65; HV hardness value is up to 1000-1200, which greatly ensures the strength, wear resistance and rust resistance of the gear
- All-metal filament drive extruder gears for Elegoo Neptune 4/Pro/Plus/Max 3D printing extruders
- Advantages One-piece shaft design for greater gear concentricity, reduced eccentric rotation, no assembly required for more uniform filament delivery CNC hollow POM gears for large size and light weight Reduction gear design for high gear ratio for greater extrusion torque
8.6Very Good
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