3D Printer Parts | McMaster-Carr

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Belt Trade Size

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DFARS Specialty Metals

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Electrical Connection

Molex Micro-Fit 3.0

Pin-and-Housing Connector

Wire Ferrule

Wire Leads

Nozzle Opening Diameter

244 Products

Fabricating and Machining

3D Printer Nozzles

Extrude melted filament onto print surfaces to build parts

88 products

3D Printer Extruder Heating Elements

Replace your entire heating element, or switch it out to print at higher speeds or temperatures

13 products

3D Printer Probes

Map the ups and downs of print surfaces so printers extrude at the proper height

1 product

3D Printer Build Surfaces

Stick on top of printer beds for more accurate parts than those made on bare beds

28 products

Filament Guides for 3D Printer Extruder Heating Elements

Hold and direct filament toward the nozzle as it melts in the heating block

3 products

Heating Blocks for 3D Printer Extruder Heating Elements

Disperse heat to melt filaments evenly as they pass through extruders

3 products

Insertion Heaters for 3D Printer Extruder Heating Elements

Heat filaments to melt them as they pass through extruders

6 products

Temperature Sensors for 3D Printer Extruder Heating Elements

Measure heating block temperature and send it to printer controllers

2 products

Protective Covers for 3D Printer Extruder Heating Elements

Shield heating elements to prevent sticky filament buildup

3 products

Power Transmission

Timing Belt Idler Pulleys

Add to your timing belt setup to minimize vibration and keep belts from wearing out

13 products

Timing Belt Drive Pulleys

Pair with a timing belt to keep your drive system in sync

37 products

Heating, Ventilation, and Air Conditioning

Fans

Blow and direct air to keep spaces and equipment cool and ventilated

4 products

Raw Materials

Glass

Clear and highly heat and chemical resistant; often used in sights, lighting, and lab equipment

12 products

Plastic

A lightweight alternative to metal and glass

29 products