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RB NEMA 17 (42mm) Coupling 5×6.35mm
₹350.00 Original price was: ₹350.00.₹300.00Current price is: ₹300.00. inc. GST
- Material: Aluminium.
- Bore Diameter d1: 5 mm.
- Bore Diameter d2: 6.35 mm.
- Length: 25MM.
- Known as Beam coupling, helical coupling, Flexible coupling
- Quality assured branded couplings.
- It provides a good hold of the Motor Shaft.
- Ensure the safe operation of your robot.
- Weight: 128 gm.
This RB NEMA 17 (42mm) 5×6.35mm coupling is compatible with almost all NEMA17 stepper motors. These couplings also known as Beam coupling, helical coupling, Flexible coupling. The RB NEMA 17 (42mm) 5×6.35mm coupling designed specifically with an Internal Bore Diameter of 5×6.35mm for the Motors having a shaft diameter of 5mm. These couplings manufactured with high-quality Aluminum which makes them more sturdy and durable. Also, the use of aluminum material makes them much heavy and increases the strength of coupling. This Aluminium Helical Shaft coupling widely used in applications such as 3D Printers, CNC machines, and other DIY projects. Used to couple Stepper motors and 8MM rods / threaded rods/precision trapezoidal rods. The coupler takes care of small misalignments, deviations, and twists in the system.

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5V Stepper Motor 28BYJ-48 with ULN2003
- Rated voltage: 5V DC
- Reduction Ratio: 64:1
- Step Angle: 5.625° /64
- Frequency: 100Hz
- Self-positioning Torque: >34.3mN.m
- No of phase: 4
- Speed variation ratio: 1/64
- Pull-in torque: 300 gf.cm
- Friction torque: 600-1200 gf.cm
- DC resistance: 50Ω±7% (25°C)
- Insulated resistance: >10MΩ (500V)
- Insulated power: 600VAC/1mA/1s
- Rise in Temperature <40K(120Hz
- Noise <35dB(120Hz,No load,10cm
- Stepper motor with a standard interface, when used directly pluggable.
- Four-phase LED indicator which indicates the status of the stepper motor work.
- Compact size stepper motor perfect for small robotics applications.
NEMA 17 1.6 kgcm
- Operating Voltage : 12~16 V
- Step Angle : 1.8°
- Holding Torque : 1.6 KgCm
- Operating Voltage : 12 - 16 volts
- Supply Current (A) :0.31 Ampere
- Number of Leads : 6
- Frame Size (mm) : 42 x 42
- Shaft Diameter (mm) : 5
- Shaft Length (mm) : 20
- Input pulse decides the rotation angle of the motor.
- High accuracy of around 3 to 5% a step.
- Provides good starting, stopping and reversing.
- Control of this motor is less costly because of the exclusion of complex control circuitry.
- The speed is proportional to the frequency of the input pulses.
NEMA 17 5.5 kgcm
- Step Angle : 1.8°
- Holding Torque : 5.5 KgCm
- Operating Voltage : 12 - 16 volts
- Supply Current (A) :1.5 Ampere
- Number of Leads : 6
- Inductance : 5.5 mH
- Resistance : 2.8 Ohms
- Weight (gm) : 363
- Detent Torque (kg-cm) : 2.6
- Frame Size (mm) : 42 x 42
- Inductance Accuracy : ±20%
- Resistance Accuracy : ±10%
- Step Angle Accuracy : ±5%
- Shaft Diameter (mm) : 5
- Shaft Length (mm) : 22
- Input pulse decides the rotation angle of the motor.
- High accuracy of around 3 to 5% a step.
- Provides good starting, stopping and reversing.
- Control of this motor is less costly because of exclusion of complex control circuitry.
- The speed is proportional to the frequency of the input pulses.
NEMA 23 10.1 kg-cm
- Operating Voltage : 2.3 Volts
- Step Angle : 1.8°
- Holding Torque : 10.1 kg-cm
- Supply Current (A) : 2.8 Ampere/Phase
- Number of Leads : 4
- Inductance : 2.2 mH/Phase
- Resistance : 0.83 Ohm
- Rotor Inertia : 275 gm-cm2
- Weight (gm) : 650
- Detent Torque (kg-cm) : 0.36
- Frame Size (mm) : 57 x 57
- Inductance Accuracy : ±20%
- Resistance Accuracy : ±10%
- Shaft Diameter (mm) : 6.35
- Shaft Length (mm) : 20.6
- Step Angle Accuracy : ±5%
- Comparably more powerful than NEMA17 motors.
- The input pulse decides the rotation angle of the motor.
- High accuracy of around 3 to 5% a step.
- It provides good starting, stopping, and reversing.
- Control of this motor is less costly because of the exclusion of complex control circuitry.
- The speed is proportional to the frequency of the input pulses.
Nema17 Stepper Motor With Stainless Steel 8mm 300mm Lead Screw + T8 Nut For 3D Printer CNC Machine
- Current / Phase: 1.5A
- Step Angle(degrees): 1.8
- Phase: 2
- Type: Hybrid
- Certification: ROHS,CE
- Holding Torque: 4.2 KGCM
- Step angle accuracy: + - 5%(full step, not load)
- Resistance accuracy: + - 10%
- Inductance accuracy: + - 20%
- Temperature rise: 80deg Max(rated current,2 phase on)
- Ambient temperature: -20deg ~+50deg
- Insulation resistance:100M Min,500VDC
- Insulation Strength: 500VAC for one minute
- (Lead Screw)
- Lead Screw Material: 304 Stainless Steel
- Color: Sliver
- Diameter: 8mm
- Length: 300mm
- Lead of thread: 8mm.
RB NEMA 23 (57mm) Coupling 6.35x8mm
Stepper Motor NEMA 34 87 kg-cm Hybrid Bipolar
- Rated Voltage:4.2V
- Current/ phase: 5A
- Holding Torque: 87 kg-cm
- Â Number of Leads: 4
- Step Angle: 1.8°
- Step Angle Accuracy: ±5% (full step, no load)
- Resistance Accuracy: ±10%
- Inductance Accuracy: ±20%
- Frame Size: 85x85mm
- Shaft Length: 32mm
- Shaft Diameter: 12mm
- They are high torque stepper motors.
- Input pulse decides the rotation angle of the motor.
- High accuracy of around 3 to 5% a step.
- Provides good starting, stopping and reversing
ULN2003 Driver
- Contains 7 high-voltage and high current Darlington pairs
- Each pair is rated for 50V and 500mA
- Input pins can be triggered by +5V
- All seven Output pins can be connected to gather to drive loads up to (7×500mA) ~3.5A.
- Can be directly controlled by logic devices like Digital Gates PIC etc
- Available in 16-pin DIP, TSSOP, SOIC packages
- Dimensions: 32 x 18 x 11mm (LxWxH)
- Weight: 3 gm

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