These High Torque stepper motors are perfect for all you Reprappers out there that would like to print faster then molasses running up hill in January.

For your X, Y and Z Axes we have:

3 - 83 oz-in holding torque, 2.0 A/phase, 1.8 degrees / fullstep (200 steps/revolution), NEMA size 17. 12-inch cable contains 4 leads terminated with a connector.

Axes Stepper Motor Specifications:

• NEMA size 17
• 12-inch cable contains 4 leads terminated with a connector
• Maximum Holding Torque 83 oz-in
• Rotor Inertia 0.45 oz-in*in
• Rated Current 2.0 A/phase
• Resistance 1.4 Ω/phase
• Inductance 2.65 mH/phase
• Basic Step Angle 1.8 degrees / fullstep (200 steps/revolution)
• Shaft Runout 0.002in
• Max Shaft Radial Play @ 1lb load 0.001in
• Perpendicularity 0.003in
• Concentricity 0.002in
• Maximum Radial Load 6.0lb [2.7kg]
• Maximum Thrust Load 6.0lb [2.7kg]
• Storage Temp. Range -20C to 100C [-4F to 212F]
• Operating Temp. Range -20C to 50C [-4F to 122F] (motor case temp. should be kept below 100C [212F])
• Humidity Range 55% to 85% non-condensing
• Weight 0.7lb [0.3kg]

And for your Extruder we have:

1 - 61 oz-in holding torque, 1.7 A/phase, 1.8 degrees / fullstep (200 steps/revolution), NEMA size 17. 12-inch cable contains 4 leads terminated with a connector.

Extruder Stepper Motor Specifications:

• NEMA size 17
• 12-inch cable contains 4 leads terminated with a connector
• Maximum Holding Torque 61 oz-in
• Rotor Inertia 0.28 oz-in*in
• Rated Current 1.7 A/phase
• Resistance 1.6 Ω/phase
• Inductance 3.03 mH/phase
• Basic Step Angle 1.8 degrees / fullstep (200 steps/revolution)
• Shaft Runout 0.002in
• Max Shaft Radial Play @ 1lb load 0.001in
• Perpendicularity 0.003in
• Concentricity 0.002in
• Maximum Radial Load 6.0lb [2.7kg]
• Maximum Thrust Load 6.0lb [2.7kg]
• Storage Temp. Range -20C to 100C [-4F to 212F]
• Operating Temp. Range -20C to 50C [-4F to 122F] (motor case temp. should be kept below 100C [212F])
• Humidity Range 55% to 85% non-condensing
• Weight 0.7lb [0.3kg]