The 2GT-3mm Series of belts and pulleys has more aggressive teeth than its little brother the 2GT. 2GT-3mm has the same tooth profile as 2GT, but is with a 3mm pitch instead of 2mm. It is commonly known as GT3. 2GT-3mm is more suited to higher torque applications, making it perfect for your automation projects. These 2GT-3mm Pulley’s have a 6.35mm Bore making a perfect partnership with NEMA23 Stepper Motors
High torque
The high torque series have been specially designed to accept a 9mm wide belt for use with our high torque reducer applications. These come in either a 1/4″ variant to go on the motor shaft. Or 8mm to go on an ACME Lead Screw.
| Tooth Count | 20 Tooth – 1/4" Bore, 20 Tooth – High Torque – 1/4" Bore, 20 Tooth – High Torque – 8mm Bore |
|---|
Technical Specification
2GT-3mm Pulley 20 Tooth
| Pitch | 3mm |
| Teeth | 20 |
| Max Belt Width | 6mm |
| Total Width | 17.6mm |
| Bore | 6.35mm |
| Flange | Double |
| Material | Aluminium |
2GT-3mm Pulley 20 Tooth – High Torque – 1/4″ Bore
| Pitch | 3mm |
| Teeth | 20 |
| Max Belt Width | 9mm |
| Total Width | 20.65mm |
| Bore | 6.35mm |
| Flange | Double |
| Material | Aluminium |
2GT-3mm Pulley 20 Tooth – High Torque – 8mm Bore
| Pitch | 3mm |
| Teeth | 20 |
| Max Belt Width | 9mm |
| Total Width | 20.65mm |
| Bore | 8.00mm |
| Flange | Double |
| Material | Aluminium |
3D Models
5 reviews for 2GT-3mm (GT3) Pulleys
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W.D. Van Vliet (verified owner) –
Good fit no problems
Mr Alexander Burnett (verified owner) –
Well made, close to overpriced
Mr Alexander Burnett (verified owner) –
In the case of my motors the bore was too small, however i didn’t use the issue motors but 3 i already had. i had purchased this pully to finally sort out the ongoing problem i was having with an allan key for the pully i had. in the event the grub screw was a size i already had an allan key for, so i drilled out the central hole and now consider the over, somewhat obliquely but sorted.
Leslie Dodd (verified owner) –
No problems. Does exactly what it was supposed to!
Albin (verified owner) –
Good quality