Specifications
The BIGTREETECH 42 Stepper Motor 40mm is a high-quality 2-phase stepper motor specifically engineered for 3D printer extruders. With a compact 40mm height and strong holding torque of ≥450mN.m, it delivers precise filament control, smooth feeding, and reliable performance even during high-speed or flexible filament printing.
Key Specifications:
- Size: NEMA 17 equivalent (42 × 42mm), Height: 40mm
- Shaft Length: 22mm
- Step Angle: 1.8° ±5%
- Rated Current: DC 1.0A / phase
- Holding Torque: ≥450mN.m
- Rated Voltage: DC 3.6V
- Phase Resistance: 3.6Ω ±10%
- Phase Inductance: 8mH ±20%
- Max No-Load Frequency: >1000 PPS
- Weight: Approx. 0.28kg
- Insulation Class: Class F
Key Features:
- Optimized for direct drive extruder applications with excellent torque and low noise.
- Compact and lightweight design reduces moving mass for better print quality.
- Durable construction with reliable performance for long-term use.
- Easy integration with popular extruder setups.
This stepper motor is a perfect replacement or upgrade for the extruder on BIQU B1, H2 V2.0, VS series, and many other 3D printers using 42-40 motors. It ensures consistent extrusion, reduced layer shifts, and improved reliability with PLA, PETG, TPU, and other filaments.
Why Choose This BIGTREETECH Stepper Motor? It offers strong torque in a compact package at an affordable price. Ideal for users experiencing weak extrusion, noisy operation, or needing a high-quality spare motor for their direct-drive extruder setup.
Package Includes: 1 × BIGTREETECH 42 Stepper Motor 40mm (with 22mm shaft)
