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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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AT10-800-32 toothed belt, pitch 10, width 32 mm, length 800 mm, 80 teeth, closed ring
ATTI • Code 040162 • CF CPOAT10080032
AT10-800-32 toothed belt, pitch 10, width 32 mm, length 800 mm, 80 teeth, closed ring
List price 127,30 € /pc.
Online 70,02 € /pc.
On Order
(Ship. 6-7 days)
AT10 Timing Belt - 800-50, pitch 10, width 50 mm, length 800 mm, 80 teeth, closed loop
ATTI • Code 040163 • CF CPOAT10080050
AT10 Timing Belt - 800-50, pitch 10, width 50 mm, length 800 mm, 80 teeth, closed loop
List price 198,91 € /pc.
Online 109,40 € /pc.
On Order
(Ship. 6-7 days)
AT10-840-16 timing belt, pitch 10, width 16 mm, length 840 mm, 84 teeth, closed loop
ATTI • Code 040164 • CF CPOAT10084016
AT10-840-16 timing belt, pitch 10, width 16 mm, length 840 mm, 84 teeth, closed loop
List price 63,65 € /pc.
Online 35,01 € /pc.
On Order
(Ship. 6-7 days)
AT10 timing belt - 840-25, pitch 10, width 25 mm, length 840 mm, 84 teeth, closed loop
ATTI • Code 040165 • CF CPOAT10084025
AT10 timing belt - 840-25, pitch 10, width 25 mm, length 840 mm, 84 teeth, closed loop
List price 99,45 € /pc.
Online 54,70 € /pc.
On Order
(Ship. 6-7 days)
AT10 Timing belt - 840-50, pitch 10, width 50 mm, length 840 mm, 84 teeth, closed loop
ATTI • Code 040167 • CF CPOAT10084050
AT10 Timing belt - 840-50, pitch 10, width 50 mm, length 840 mm, 84 teeth, closed loop
List price 198,91 € /pc.
Online 109,40 € /pc.
On Order
(Ship. 6-7 days)
AT10 timing belt - 890-16, pitch 10, width 16 mm, length 890 mm, 89 teeth, closed loop
ATTI • Code 040168 • CF CPOAT10089016
AT10 timing belt - 890-16, pitch 10, width 16 mm, length 890 mm, 89 teeth, closed loop
List price 73,75 € /pc.
Online 40,56 € /pc.
On Order
(Ship. 6-7 days)
AT10-890-25 timing belt, pitch 10, width 25 mm, length 890 mm, 89 teeth, closed loop
ATTI • Code 040169 • CF CPOAT100890025
AT10-890-25 timing belt, pitch 10, width 25 mm, length 890 mm, 89 teeth, closed loop
List price 115,23 € /pc.
Online 63,38 € /pc.
On Order
(Ship. 6-7 days)
AT10- 890-32 toothed belt, pitch 10, width 32 mm, length 890 mm, 89 teeth, closed loop
ATTI • Code 040170 • CF CPOAT10089032
AT10- 890-32 toothed belt, pitch 10, width 32 mm, length 890 mm, 89 teeth, closed loop
List price 147,50 € /pc.
Online 81,12 € /pc.
On Order
(Ship. 6-7 days)
AT10 timing belt - 890-50, pitch 10, width 50 mm, length 890 mm, 89 teeth, closed loop
ATTI • Code 040171 • CF CPOAT10089050
AT10 timing belt - 890-50, pitch 10, width 50 mm, length 890 mm, 89 teeth, closed loop
List price 230,46 € /pc.
Online 126,76 € /pc.
On Order
(Ship. 6-7 days)
AT10 toothed belt - 920-25, pitch 10, width 25 mm, length 920 mm, 92 teeth, closed loop
ATTI • Code 040173 • CF CPOAT10092025
AT10 toothed belt - 920-25, pitch 10, width 25 mm, length 920 mm, 92 teeth, closed loop
List price 118,89 € /pc.
Online 65,39 € /pc.
On Order
(Ship. 6-7 days)
AT10 timing belt - 920-32, pitch 10, width 32 mm, length 920 mm, 92 teeth, closed loop
ATTI • Code 040174 • CF CPOAT10092032
AT10 timing belt - 920-32, pitch 10, width 32 mm, length 920 mm, 92 teeth, closed loop
List price 152,18 € /pc.
Online 83,70 € /pc.
On Order
(Ship. 6-7 days)
AT10 timing belt - 920-50, pitch 10, width 50 mm, development 920 mm, 92 teeth, closed loop
ATTI • Code 040175 • CF CPOAT10092050
AT10 timing belt - 920-50, pitch 10, width 50 mm, development 920 mm, 92 teeth, closed loop
List price 237,76 € /pc.
Online 130,77 € /pc.
On Order
(Ship. 6-7 days)
AT10 timing belt - 960-25, pitch 10, width 25 mm, length 960 mm, 96 teeth, closed ring
ATTI • Code 040177 • CF CPOAT10096025
AT10 timing belt - 960-25, pitch 10, width 25 mm, length 960 mm, 96 teeth, closed ring
List price 127,57 € /pc.
Online 70,16 € /pc.
On Order
(Ship. 6-7 days)
AT10- 960-32 toothed belt, pitch 10, width 32 mm, length 960 mm, 96 teeth, closed loop
ATTI • Code 040178 • CF CPOAT10096032
AT10- 960-32 toothed belt, pitch 10, width 32 mm, length 960 mm, 96 teeth, closed loop
List price 163,30 € /pc.
Online 89,81 € /pc.
On Order
(Ship. 6-7 days)
AT10-960-50 toothed belt, pitch 10, width 50 mm, length 960 mm, 96 teeth, closed loop
ATTI • Code 040179 • CF CPOAT10096050
AT10-960-50 toothed belt, pitch 10, width 50 mm, length 960 mm, 96 teeth, closed loop
List price 255,16 € /pc.
Online 140,34 € /pc.
On Order
(Ship. 6-7 days)
AT10 timing belt - 980-16, pitch 10, width 16 mm, length 980 mm, 98 teeth, closed loop
ATTI • Code 040180 • CF CPOAT10098016
AT10 timing belt - 980-16, pitch 10, width 16 mm, length 980 mm, 98 teeth, closed loop
List price 82,54 € /pc.
Online 45,39 € /pc.
On Order
(Ship. 6-7 days)
AT10-980-32 toothed belt, pitch 10, width 32 mm, length 980 mm, 98 teeth, closed loop
ATTI • Code 040182 • CF CPOAT10098032
AT10-980-32 toothed belt, pitch 10, width 32 mm, length 980 mm, 98 teeth, closed loop
List price 165,05 € /pc.
Online 90,78 € /pc.
On Order
(Ship. 6-7 days)
AT10 timing belt - 980-50, pitch 10, width 50 mm, length 980 mm, 98 teeth, closed ring
ATTI • Code 040183 • CF CPOAT10098050
AT10 timing belt - 980-50, pitch 10, width 50 mm, length 980 mm, 98 teeth, closed ring
List price 257,90 € /pc.
Online 141,84 € /pc.
On Order
(Ship. 6-7 days)
AT10-1010-16 synchronous belt, pitch 10, width 16 mm, length 1010 mm, 101 teeth, closed loop
ATTI • Code 040184 • CF CPOAT10101016
AT10-1010-16 synchronous belt, pitch 10, width 16 mm, length 1010 mm, 101 teeth, closed loop
List price 84,58 € /pc.
Online 46,52 € /pc.
On Order
(Ship. 6-7 days)
AT10-1010-25 timing belt, pitch 10, width 25 mm, length 1010 mm, 101 teeth, closed loop
ATTI • Code 040185 • CF CPOAT10101025
AT10-1010-25 timing belt, pitch 10, width 25 mm, length 1010 mm, 101 teeth, closed loop
List price 132,15 € /pc.
Online 72,68 € /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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A.T.T.I. Srl - Via f.lli Cervi 3 - 20063 Cernusco sul Naviglio (MI) - IT
P.IVA 05984490150 | Codice SDI: A4707H7 | Rea: MI-1062427 | Capitale Sociale: 100.000,00 €