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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 - 370-25, pitch 10, width 25 mm, length 370 mm, 37 teeth, closed loop
ATTI • Code 039629 • CF CPOT10037025
T10 timing belt - 370-25, pitch 10, width 25 mm, length 370 mm, 37 teeth, closed loop
List price 55,34 € /pc.
Online 30,43 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 370-32, pitch 10, width 32 mm, length 370 mm, 37 teeth, closed loop
ATTI • Code 039630 • CF CPOT10037032
T10 timing belt - 370-32, pitch 10, width 32 mm, length 370 mm, 37 teeth, closed loop
List price 70,81 € /pc.
Online 38,94 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 370-50, pitch 10, width 50 mm, length 370 mm, 37 teeth, closed loop
ATTI • Code 039631 • CF CPOT10037050
T10 toothed belt - 370-50, pitch 10, width 50 mm, length 370 mm, 37 teeth, closed loop
List price 110,66 € /pc.
Online 60,86 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 410-16, pitch 10, width 16 mm, length 410 mm, 41 teeth, closed loop
ATTI • Code 039632 • CF CPOT10041016
T10 toothed belt - 410-16, pitch 10, width 16 mm, length 410 mm, 41 teeth, closed loop
List price 36,30 € /pc.
Online 19,97 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 410-32, pitch 10, width 32 mm, length 410 mm, 41 teeth, closed loop
ATTI • Code 039634 • CF CPOT10041032
T10 timing belt - 410-32, pitch 10, width 32 mm, length 410 mm, 41 teeth, closed loop
List price 72,58 € /pc.
Online 39,92 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 410-50, pitch 10, width 50 mm, length 410 mm, 41 teeth, closed loop
ATTI • Code 039635 • CF CPOT10041050
T10 toothed belt - 410-50, pitch 10, width 50 mm, length 410 mm, 41 teeth, closed loop
List price 113,40 € /pc.
Online 62,37 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 440-16, pitch 10, width 16 mm, length 440 mm, 44 teeth, closed loop
ATTI • Code 039636 • CF CPOT10044016
T10 toothed belt - 440-16, pitch 10, width 16 mm, length 440 mm, 44 teeth, closed loop
List price 36,87 € /pc.
Online 20,28 € /pc.
On Order
(Ship. 6-7 days)
Toothed belt T10- 440-32, pitch 10, width 32 mm, length 440 mm, 44 teeth, closed ring
ATTI • Code 039638 • CF CPOT10044032
Toothed belt T10- 440-32, pitch 10, width 32 mm, length 440 mm, 44 teeth, closed ring
List price 73,75 € /pc.
Online 40,56 € /pc.
On Order
(Ship. 6-7 days)
Toothed belt T10- 440-50, pitch 10, width 50 mm, length 440 mm, 44 teeth, closed loop
ATTI • Code 039639 • CF CPOT10044050
Toothed belt T10- 440-50, pitch 10, width 50 mm, length 440 mm, 44 teeth, closed loop
List price 115,23 € /pc.
Online 63,38 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 500-16, pitch 10, width 16 mm, length 500 mm, 50 teeth, closed loop
ATTI • Code 039640 • CF CPOT10050016
T10 timing belt - 500-16, pitch 10, width 16 mm, length 500 mm, 50 teeth, closed loop
List price 39,36 € /pc.
Online 21,65 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 500-25, pitch 10, width 25 mm, length 500 mm, 50 teeth, closed loop
ATTI • Code 039641 • CF CPOT10050025
T10 toothed belt - 500-25, pitch 10, width 25 mm, length 500 mm, 50 teeth, closed loop
List price 61,50 € /pc.
Online 33,82 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 500-50, pitch 10, width 50 mm, length 500 mm, 50 teeth, closed-loop
ATTI • Code 039643 • CF CPOT10050050
T10 timing belt - 500-50, pitch 10, width 50 mm, length 500 mm, 50 teeth, closed-loop
List price 123,01 € /pc.
Online 67,65 € /pc.
On Order
(Ship. 6-7 days)
Toothed belt T10- 530-16, pitch 10, width 16 mm, length 530 mm, 53 teeth, closed-loop
ATTI • Code 039644 • CF CPOT10053016
Toothed belt T10- 530-16, pitch 10, width 16 mm, length 530 mm, 53 teeth, closed-loop
List price 41,26 € /pc.
Online 22,69 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 530-25, pitch 10, width 25 mm, development 530 mm, 53 teeth, closed loop
ATTI • Code 039645 • CF CPOT10053025
T10 timing belt - 530-25, pitch 10, width 25 mm, development 530 mm, 53 teeth, closed loop
List price 64,46 € /pc.
Online 35,46 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 530-50, pitch 10, width 50 mm, length 530 mm, 53 teeth, closed loop
ATTI • Code 039647 • CF CPOT10053050
T10 toothed belt - 530-50, pitch 10, width 50 mm, length 530 mm, 53 teeth, closed loop
List price 128,96 € /pc.
Online 70,93 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 560-16, pitch 10, width 16 mm, length 560 mm, 56 teeth, closed loop
ATTI • Code 039648 • CF CPOT10056016
T10 toothed belt - 560-16, pitch 10, width 16 mm, length 560 mm, 56 teeth, closed loop
List price 42,74 € /pc.
Online 23,50 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 560-25, pitch 10, width 25 mm, length 560 mm, 56 teeth, closed loop
ATTI • Code 039649 • CF CPOT10056025
T10 toothed belt - 560-25, pitch 10, width 25 mm, length 560 mm, 56 teeth, closed loop
List price 66,75 € /pc.
Online 36,71 € /pc.
On Order
(Ship. 6-7 days)
T10- 560-50 toothed belt, pitch 10, width 50 mm, development 560 mm, 56 teeth, closed loop
ATTI • Code 039651 • CF CPOT10056050
T10- 560-50 toothed belt, pitch 10, width 50 mm, development 560 mm, 56 teeth, closed loop
List price 133,53 € /pc.
Online 73,44 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 610-16, pitch 10, width 16 mm, length 610 mm, 61 teeth, closed loop
ATTI • Code 039652 • CF CPOT10061016
T10 timing belt - 610-16, pitch 10, width 16 mm, length 610 mm, 61 teeth, closed loop
List price 43,76 € /pc.
Online 24,07 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 610-25, pitch 10, width 25 mm, length 610 mm, 61 teeth, closed-loop
ATTI • Code 039653 • CF CPOT10061025
T10 toothed belt - 610-25, pitch 10, width 25 mm, length 610 mm, 61 teeth, closed-loop
List price 68,36 € /pc.
Online 37,60 € /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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