# Gears

> Gears, gear sets and filament drive gears (MK7, MK8) for mechanisms and 3D printers

- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Category page: https://sigmanortec.ro/en/gears
- Category: Mechanical components > Gears
- Prices: RON, VAT included; prices and stock as of 2026-10-22 01:32 (Europe/Bucharest)

## Products (6)

### Gear wheel kit set 34 pieces
- Page: https://sigmanortec.ro/en/gear-wheel-kit-set-34-pieces
- Details: https://sigmanortec.ro/en/llms/p/279.md
- Price: 17.62 RON
- Availability: In stock; 1-2 zile
- Reference: 33086 · EAN: 5949989055586

Gear wheel kit set 34 pieces (ref. 33086, EAN 5949989055586) for transmission mechanisms in DIY projects and prototypes. Includes 34 pieces: gear wheels of various sizes, compatible transmission belts and linear guides. Allows multiple combinations to adapt the gear ratio, ensuring quick assembly and stable operation in applications with motors and small mechanical systems.

### Gear wheel kit set 75 pieces
- Page: https://sigmanortec.ro/en/gear-wheel-kit-set-75-pieces
- Details: https://sigmanortec.ro/en/llms/p/280.md
- Price: 20.82 RON
- Availability: In stock; 1-2 zile
- Reference: 33175 · EAN: 5942678056109

Gear wheel kit, set of 75 pieces, reference 33175. Includes gear wheels in various sizes, compatible transmission belts and linear guides, for building transmission mechanisms in DIY projects, robotics or prototyping. Allows multiple combinations for different ratios and quick assembly, useful for testing and development.

### 5mm filament gear wheel, 26 teeth
- Page: https://sigmanortec.ro/en/5mm-filament-gear-wheel-26-teeth
- Details: https://sigmanortec.ro/en/llms/p/601.md
- Price: 6.05 RON
- Availability: In stock; 1-2 zile
- Reference: 33438 · EAN: 5947777367279

Brass gear wheel with 5mm internal diameter, for Nema17 motor shaft, used to push filament toward the extruder in 3D printers. Has 26 teeth for good grip and efficient torque transfer. Compatible with MK7, MK8 extruders and Bowden systems. Wear-resistant metal construction, quick mounting on the shaft. Reference 33438.

### 5mm filament gear wheel, 40 teeth
- Page: https://sigmanortec.ro/en/5mm-filament-gear-wheel-40-teeth
- Details: https://sigmanortec.ro/en/llms/p/602.md
- Price: 3.70 RON
- Availability: In stock; 1-2 zile
- Reference: 33109 · EAN: 5949605087427

The 5mm shaft brass gear, compatible with Nema17 motors, ensures constant and precise filament pushing to the extruder for stable 3D printing. It has 40 teeth for good filament grip, wear-resistant construction, quick assembly on the shaft, suitable for MK7, MK8 extruders and Bowden systems.
Brass toothed wheel with an internal diameter of 5mm (for a 5mm Nema17 motor shaft) for pushing the filament to the extruder in 3D printers.
Suitable for all types of extruders, from mk7 to mk8 to bowden type ones.
Number of teeth: 40

### Concave gear wheel, MK7, 12x5x13mm, steel
- Page: https://sigmanortec.ro/en/concave-gear-wheel-mk7-12x5x13mm-steel
- Details: https://sigmanortec.ro/en/llms/p/1454.md
- Price: 5.03 RON
- Availability: In stock; 1-2 zile
- Reference: 9348 · EAN: 5943399303220
- Specifications: Material: Otel

Concave gear wheel MK7, made of steel, for the filament pusher of MK7 extruders. Outer diameter 12mm, length 13mm, inner bore for a 5mm shaft, secured with an M4 set screw. Compatible with 1.75mm filament, providing stable drive and uniform filament feeding.

### Concave gear wheel, MK8, 9x5x11mm, steel
- Page: https://sigmanortec.ro/en/concave-gear-wheel-mk8-9x5x11mm-steel
- Details: https://sigmanortec.ro/en/llms/p/1455.md
- Price: 5.01 RON
- Availability: In stock; 1-2 zile
- Reference: 9349 · EAN: 5940013417943
- Specifications: Material: Otel

Concave MK8 gear wheel made of steel, with 9mm outer diameter, 5mm inner bore and 11mm length. Designed for the filament pusher of MK8 extruders, it provides consistent feeding and good grip on 1.75mm filament. It is fixed to the shaft using an M4 set screw.