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Timing Pulleys
Custom Machine & Tool Co., Inc. specializes in the manufacturing of precision timing belt pulleys. This catalog willl give you part and dimensional information to help you find what you're looking for. Many common bore sizes are inventoried & any bore size or special feature is available on a special order basis. Simply click on the Product Number within the catalog below to request your quote!
CMT® timing belt pulleys conform to industry standards.
Bore sizes listed are "Minimum Plain Bore", otherwise known as (MPB).
Standards in aluminum and steel & other materials available upon request.
T2.5 - 6mm belt width
Inch Trapezoidal (ANSI IP-24)
- MXL (.080”) - 1/8”, 1/4” or 3/8” belt width
- XL (.200”) - 3/8” belt width Type 6
- XL (.200”) - 3/8” belt width Type 3
- L (.375”) - 1/2” belt width
- H (.500”) - 1” belt width
Metric Curvilinear HTD
- 3mm HTD - 6mm belt width Type 6F
- 3mm HTD - 6mm belt width Type 6
- 3mm HTD - 9mm belt width Type 6F
- 3mm HTD - 9mm belt width Type 6
- 5mm HTD - 9mm belt width Type 6F
- 5mm HTD - 9mm belt width Type 6
- 5mm HTD - 15mm belt width Type 6F
- 5mm HTD - 15mm belt width Type 6
Gates PowerGrip® GT®2
- 2mm GT2 - 6mm belt width
- 2mm GT2 - 9mm belt width
- 3mm GT2 - 9mm belt width
- 3mm GT2 - 15mm belt width
- 5mm GT2 - 15mm belt width
- 5mm GT2 - 25mm belt width
Metric Trapezoidal T Style
- T2.5 - 6mm belt width
- T5 - 10mm belt width
- T5 - 16mm belt width
- T5 - 25mm belt width
- T10 - 16mm belt width
- T10 - 25mm belt width
- T10 - 32mm belt width
- T10 - 50mm belt width
Metric AT Style
Product No.
Pitch Diam.
Pulley O.D.
Flange O.D. ±.40
Face Width
Overall Length
Hub Diam. ±.40