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Toothed Belts

Metrical pitch AT, T, HTD / Inch pitch L, XL, H, XH, XXH

The synchronous belts ensure quiet, efficient, and slip-free power transmission, thanks to the toothed profile that meshes perfectly with pulleys of the same pitch. 

They are ideal for applications requiring positioning precision, reliability, and long life even in heavy-duty working conditions. They reduce maintenance and improve energy efficiency, making them perfect for machine tools, industrial automation, handling, and any application requiring reliable and precise transmission.

Available in a wide range of versions, they include:

  • Metric T, AT, and HTD synchronous belts for high precision standard applications and high power transmissions.
  • Inch XL, L, H, XH, and XXH synchronous belts, compatible with American standard machinery (imperial pitch).
  • Reinforced options with steel or Kevlar core for superior performance.

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T10 timing belt - 720-50, pitch 10, width 50 mm, length 720 mm, 72 teeth, closed loop
ATTI • Code 039675 • CF CPOT10072050
T10 timing belt - 720-50, pitch 10, width 50 mm, length 720 mm, 72 teeth, closed loop
List price 143,59 € /pc.
Online 78,97 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 750-16, pitch 10, width 16 mm, length 750 mm, 75 teeth, closed loop
ATTI • Code 039676 • CF CPOT10075016
T10 toothed belt - 750-16, pitch 10, width 16 mm, length 750 mm, 75 teeth, closed loop
List price 47,26 € /pc.
Online 26,00 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 750-25, pitch 10, width 25 mm, length 750 mm, 75 teeth, closed loop
ATTI • Code 039677 • CF CPOT10075025
T10 timing belt - 750-25, pitch 10, width 25 mm, length 750 mm, 75 teeth, closed loop
List price 73,85 € /pc.
Online 40,62 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 750-32, pitch 10, width 32 mm, length 750 mm, 75 teeth, closed loop
ATTI • Code 039678 • CF CPOT10075032
T10 toothed belt - 750-32, pitch 10, width 32 mm, length 750 mm, 75 teeth, closed loop
List price 94,53 € /pc.
Online 51,99 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 750-50, pitch 10, width 50 mm, length 750 mm, 75 teeth, closed loop
ATTI • Code 039679 • CF CPOT10075050
T10 timing belt - 750-50, pitch 10, width 50 mm, length 750 mm, 75 teeth, closed loop
List price 147,70 € /pc.
Online 81,23 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 780-16, pitch 10, width 16 mm, length 780 mm, 78 teeth, closed loop
ATTI • Code 039680 • CF CPOT10078016
T10 timing belt - 780-16, pitch 10, width 16 mm, length 780 mm, 78 teeth, closed loop
List price 47,70 € /pc.
Online 26,24 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 780-25, pitch 10, width 25 mm, length 780 mm, 78 teeth, closed loop
ATTI • Code 039681 • CF CPOT10078025
T10 timing belt - 780-25, pitch 10, width 25 mm, length 780 mm, 78 teeth, closed loop
List price 74,54 € /pc.
Online 41,00 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 780-32, pitch 10, width 32 mm, length 780 mm, 78 teeth, closed loop
ATTI • Code 039682 • CF CPOT10078032
T10 toothed belt - 780-32, pitch 10, width 32 mm, length 780 mm, 78 teeth, closed loop
List price 95,40 € /pc.
Online 52,47 € /pc.
On Order
(Ship. 6-7 days)
Toothed belt T10- 780-50, pitch 10, width 50 mm, length 780 mm, 78 teeth, closed loop
ATTI • Code 039683 • CF CPOT10078050
Toothed belt T10- 780-50, pitch 10, width 50 mm, length 780 mm, 78 teeth, closed loop
List price 149,06 € /pc.
Online 81,98 € /pc.
On Order
(Ship. 6-7 days)
Toothed belt T10- 810-16, pitch 10, width 16 mm, length 810 mm, 81 teeth, closed loop
ATTI • Code 039684 • CF CPOT10081016
Toothed belt T10- 810-16, pitch 10, width 16 mm, length 810 mm, 81 teeth, closed loop
List price 49,02 € /pc.
Online 26,96 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 810-25, pitch 10, width 25 mm, length 810 mm, 81 teeth, closed loop
ATTI • Code 039685 • CF CPOT10081025
T10 toothed belt - 810-25, pitch 10, width 25 mm, length 810 mm, 81 teeth, closed loop
List price 76,60 € /pc.
Online 42,13 € /pc.
On Order
(Ship. 6-7 days)
Timing belt T10- 810-32, pitch 10, width 32 mm, length 810 mm, 81 teeth, closed ring
ATTI • Code 039686 • CF CPOT10081032
Timing belt T10- 810-32, pitch 10, width 32 mm, length 810 mm, 81 teeth, closed ring
List price 98,04 € /pc.
Online 53,92 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 810-50, pitch 10, width 50 mm, length 810 mm, 81 teeth, closed loop
ATTI • Code 039687 • CF CPOT10081050
T10 timing belt - 810-50, pitch 10, width 50 mm, length 810 mm, 81 teeth, closed loop
List price 153,18 € /pc.
Online 84,25 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 840-16, pitch 10, width 16 mm, length 840 mm, 84 teeth, closed loop
ATTI • Code 039688 • CF CPOT10084016
T10 timing belt - 840-16, pitch 10, width 16 mm, length 840 mm, 84 teeth, closed loop
List price 53,12 € /pc.
Online 29,21 € /pc.
On Order
(Ship. 6-7 days)
Toothed belt T10- 840-32, pitch 10, width 32 mm, length 840 mm, 84 teeth, closed loop
ATTI • Code 039690 • CF CPOT10084032
Toothed belt T10- 840-32, pitch 10, width 32 mm, length 840 mm, 84 teeth, closed loop
List price 106,24 € /pc.
Online 58,43 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 840-50, pitch 10, width 50 mm, length 840 mm, 84 teeth, closed loop
ATTI • Code 039691 • CF CPOT10084050
T10 timing belt - 840-50, pitch 10, width 50 mm, length 840 mm, 84 teeth, closed loop
List price 165,98 € /pc.
Online 91,29 € /pc.
On Order
(Ship. 6-7 days)
T10 tooth belt - 880-16, pitch 10, width 16 mm, length 880 mm, 88 teeth, closed loop
ATTI • Code 039692 • CF CPOT10088016
T10 tooth belt - 880-16, pitch 10, width 16 mm, length 880 mm, 88 teeth, closed loop
List price 57,94 € /pc.
Online 31,86 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 880-50, pitch 10, width 50 mm, length 880 mm, 88 teeth, closed loop
ATTI • Code 039695 • CF CPOT10088050
T10 toothed belt - 880-50, pitch 10, width 50 mm, length 880 mm, 88 teeth, closed loop
List price 181,07 € /pc.
Online 99,59 € /pc.
On Order
(Ship. 6-7 days)
Timing belt T10- 920-16, pitch 10, width 16 mm, length 920 mm, 92 teeth, closed loop
ATTI • Code 039696 • CF CPOT10092016
Timing belt T10- 920-16, pitch 10, width 16 mm, length 920 mm, 92 teeth, closed loop
List price 61,60 € /pc.
Online 33,88 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 920-25, pitch 10, width 25 mm, development 920 mm, 92 teeth, closed loop
ATTI • Code 039697 • CF CPOT10092025
T10 toothed belt - 920-25, pitch 10, width 25 mm, development 920 mm, 92 teeth, closed loop
List price 96,25 € /pc.
Online 52,94 € /pc.
On Order
(Ship. 6-7 days)

Frequently asked questions

How is the code of an HTD timing belt read (e.g., 365-5M-15)?

The code of an HTD timing belt indicates the length, pitch of the teeth, and width of the belt.

Taking 365-5M-15 as an example:

  • 365: belt length in millimeters.
  • 5M: tooth pitch of 5 mm, with HTD profile.
  • 15: belt width in millimeters.

To calculate the number of teeth, simply divide the length by the pitch: 365 ÷ 5 = 73 teeth.

On shop.atti.it, ATTI offers over 4,200 timing belts, in HTD pitches of 3M, 5M, 8M, and 14M and in metric profiles.

What is the difference between HTD, T, and AT timing belts?

The HTD, T, and AT timing belts are primarily distinguished by their tooth profile and transmission characteristics.

  • HTD (3M, 5M, 8M, 14M): have rounded teeth and are particularly suitable for transmitting high torque.
  • T (T2.5, T5, T10): have trapezoidal teeth and a metric pitch. They are widely used in handling and positioning applications.
  • AT: have an enhanced trapezoidal profile compared to T belts and allow for greater force transmission at the same width.

Note: the belt and the pulley must have the same profile and the same pitch. Different types are therefore not directly interchangeable.

To choose the most suitable belt, it is important to verify the transmission characteristics and compatibility with the pulleys used.

What are the Gates Poly Chain Carbon belts and when are they used?

The Gates Poly Chain Carbon are polyurethane toothed belts with carbon fiber tensile cords, designed to transmit very high torque.

They are used in industrial applications that require robust and efficient drives and can be an alternative to traditional roller chains.

Compared to chains, they offer several advantages:

  • No lubrication is required.
  • They have a very low elongation during operation.
  • They allow the creation of drives suitable for high loads.

Caution: the Gates Poly Chain Carbon require pulleys with a dedicated profile and are not directly interchangeable with standard HTD toothed belts.

On shop.atti.it, ATTI offers over 250 codes from this range, including the Mini Poly Chain version.

Can open timing belts be purchased by the meter?

Yes. ATTI offers open timing belts by the meter in polyurethane, primarily used for linear shafts, conveyor belts, and positioning systems.

The belts can be ordered by the meter, with a minimum quantity of 5 meters.

In these applications, the ends of the belt are generally secured using special locking plates, available for the main pitches of the timing belts.

To identify the most suitable product, it is important to check the profile, pitch, and width of the belt.

Where to buy V-Belts Gates online in Italy?

On shop.atti.it, the e-commerce site of ATTI Srl, you can find V-Belts Gates from the Hi-Power and Delta Classic lines, as well as belts branded ATTI.

The catalog includes V-Belts of various types:

  • Classic sections: Z, A, B, C, D, E.
  • Narrow sections: SPZ, SPA, SPB, SPC.
  • Notched sections: AX, BX, XPZ, XPA, XPB, XPC.

On shop.atti.it, there are over 3,300 items in the V-Belts category, available for online purchase with shipping throughout Italy.

You can consult the available range in the V-Belts category.

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