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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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AT10-610-32 toothed belt, pitch 10, width 32 mm, length 610 mm, 61 teeth, closed loop
ATTI • Code 040140 • CF CPOAT100610032
AT10-610-32 toothed belt, pitch 10, width 32 mm, length 610 mm, 61 teeth, closed loop
List price 105,65 € /pc.
Online 58,11 € /pc.
On Order
(Ship. 6-7 days)
AT10- 610-50 timing belt, pitch 10, width 50 mm, length 610 mm, 61 teeth, closed loop
ATTI • Code 040141 • CF CPOAT100610050
AT10- 610-50 timing belt, pitch 10, width 50 mm, length 610 mm, 61 teeth, closed loop
List price 165,07 € /pc.
Online 90,79 € /pc.
On Order
(Ship. 6-7 days)
AT10 timing belt - 660-16, pitch 10, width 16 mm, length 660 mm, 66 teeth, closed loop
ATTI • Code 040142 • CF CPOAT100660016
AT10 timing belt - 660-16, pitch 10, width 16 mm, length 660 mm, 66 teeth, closed loop
List price 54,43 € /pc.
Online 29,94 € /pc.
On Order
(Ship. 6-7 days)
AT10 toothed belt - 660-25, pitch 10, width 25 mm, length 660 mm, 66 teeth, endless loop
ATTI • Code 040143 • CF CPOAT100660025
AT10 toothed belt - 660-25, pitch 10, width 25 mm, length 660 mm, 66 teeth, endless loop
List price 85,05 € /pc.
Online 46,78 € /pc.
On Order
(Ship. 6-7 days)
AT10 timing belt - 660-32, pitch 10, width 32 mm, length 660 mm, 66 teeth, closed loop
ATTI • Code 040144 • CF CPOAT100660032
AT10 timing belt - 660-32, pitch 10, width 32 mm, length 660 mm, 66 teeth, closed loop
List price 108,87 € /pc.
Online 59,88 € /pc.
On Order
(Ship. 6-7 days)
AT10 toothed belt - 660-50, pitch 10, width 50 mm, development 660 mm, 66 teeth, closed loop
ATTI • Code 040145 • CF CPOAT100660050
AT10 toothed belt - 660-50, pitch 10, width 50 mm, development 660 mm, 66 teeth, closed loop
List price 170,10 € /pc.
Online 93,56 € /pc.
On Order
(Ship. 6-7 days)
AT10 timing belt - 700-16, pitch 10, width 16 mm, length 700 mm, 70 teeth, closed loop
ATTI • Code 040146 • CF CPOAT10070016
AT10 timing belt - 700-16, pitch 10, width 16 mm, length 700 mm, 70 teeth, closed loop
List price 56,48 € /pc.
Online 31,06 € /pc.
On Order
(Ship. 6-7 days)
AT10- 700-25 timing belt, pitch 10, width 25 mm, length 700 mm, 70 teeth, closed loop
ATTI • Code 040147 • CF CPOAT10070025
AT10- 700-25 timing belt, pitch 10, width 25 mm, length 700 mm, 70 teeth, closed loop
List price 88,25 € /pc.
Online 48,54 € /pc.
On Order
(Ship. 6-7 days)
AT10 timing belt - 700-32, pitch 10, width 32 mm, length 700 mm, 70 teeth, closed loop
ATTI • Code 040148 • CF CPOAT10070032
AT10 timing belt - 700-32, pitch 10, width 32 mm, length 700 mm, 70 teeth, closed loop
List price 112,96 € /pc.
Online 62,13 € /pc.
On Order
(Ship. 6-7 days)
AT10- 700-50 toothed belt, pitch 10, width 50 mm, development 700 mm, 70 teeth, closed loop
ATTI • Code 040149 • CF CPOAT10070050
AT10- 700-50 toothed belt, pitch 10, width 50 mm, development 700 mm, 70 teeth, closed loop
List price 176,50 € /pc.
Online 97,08 € /pc.
On Order
(Ship. 6-7 days)
AT10 toothed belt - 730-16, pitch 10, width 16 mm, length 730 mm, 73 teeth, closed loop
ATTI • Code 040150 • CF CPOAT10073016
AT10 toothed belt - 730-16, pitch 10, width 16 mm, length 730 mm, 73 teeth, closed loop
List price 57,50 € /pc.
Online 31,63 € /pc.
On Order
(Ship. 6-7 days)
AT10-730-25 toothed belt, pitch 10, width 25 mm, length 730 mm, 73 teeth, closed loop
ATTI • Code 040151 • CF CPOAT10073025
AT10-730-25 toothed belt, pitch 10, width 25 mm, length 730 mm, 73 teeth, closed loop
List price 89,86 € /pc.
Online 49,42 € /pc.
On Order
(Ship. 6-7 days)
AT10- 730-32 toothed belt, pitch 10, width 32 mm, length 730 mm, 73 teeth, closed loop
ATTI • Code 040152 • CF CPOAT10073032
AT10- 730-32 toothed belt, pitch 10, width 32 mm, length 730 mm, 73 teeth, closed loop
List price 115,00 € /pc.
Online 63,25 € /pc.
On Order
(Ship. 6-7 days)
AT10- 730-50 toothed belt, pitch 10, width 50 mm, length 730 mm, 73 teeth, closed loop
ATTI • Code 040153 • CF CPOAT10073050
AT10- 730-50 toothed belt, pitch 10, width 50 mm, length 730 mm, 73 teeth, closed loop
List price 179,70 € /pc.
Online 98,84 € /pc.
On Order
(Ship. 6-7 days)
AT10 timing belt - 780-16, pitch 10, width 16 mm, length 780 mm, 78 teeth, closed loop
ATTI • Code 040154 • CF CPOAT10078016
AT10 timing belt - 780-16, pitch 10, width 16 mm, length 780 mm, 78 teeth, closed loop
List price 58,96 € /pc.
Online 32,43 € /pc.
On Order
(Ship. 6-7 days)
AT10-780-25 tooth belt, pitch 10, width 25 mm, length 780 mm, 78 teeth, closed-loop
ATTI • Code 040155 • CF CPOAT10078025
AT10-780-25 tooth belt, pitch 10, width 25 mm, length 780 mm, 78 teeth, closed-loop
List price 92,14 € /pc.
Online 50,68 € /pc.
On Order
(Ship. 6-7 days)
AT10 timing belt - 780-32, pitch 10, width 32 mm, length 780 mm, 78 teeth, closed loop
ATTI • Code 040156 • CF CPOAT10078032
AT10 timing belt - 780-32, pitch 10, width 32 mm, length 780 mm, 78 teeth, closed loop
List price 117,93 € /pc.
Online 64,86 € /pc.
On Order
(Ship. 6-7 days)
AT10 timing belt - 780-50, pitch 10, width 50 mm, length 780 mm, 78 teeth, closed loop
ATTI • Code 040157 • CF CPOAT10078050
AT10 timing belt - 780-50, pitch 10, width 50 mm, length 780 mm, 78 teeth, closed loop
List price 184,28 € /pc.
Online 101,35 € /pc.
On Order
(Ship. 6-7 days)
AT10 timing belt - 800-16, pitch 10, width 16 mm, length 800 mm, 80 teeth, closed loop
ATTI • Code 040160 • CF CPOAT10080016
AT10 timing belt - 800-16, pitch 10, width 16 mm, length 800 mm, 80 teeth, closed loop
List price 63,65 € /pc.
Online 35,01 € /pc.
On Order
(Ship. 6-7 days)
AT10 toothed belt - 800-25, pitch 10, width 25 mm, length 800 mm, 80 teeth, closed ring
ATTI • Code 040161 • CF CPOAT10080025
AT10 toothed belt - 800-25, pitch 10, width 25 mm, length 800 mm, 80 teeth, closed ring
List price 99,45 € /pc.
Online 54,70 € /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 €