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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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AT10-1010-32 timing belt, pitch 10, width 32 mm, length 1010 mm, 101 teeth, closed loop
ATTI • Code 040186 • CF CPOAT10101032
AT10-1010-32 timing belt, pitch 10, width 32 mm, length 1010 mm, 101 teeth, closed loop
List price 169,16 € /pc.
Online 93,04 € /pc.
On Order
(Ship. 6-7 days)
AT10-1010-50 toothed belt, pitch 10, width 50 mm, total length 1010 mm, 101 teeth, closed loop
ATTI • Code 040187 • CF CPOAT10101050
AT10-1010-50 toothed belt, pitch 10, width 50 mm, total length 1010 mm, 101 teeth, closed loop
List price 264,30 € /pc.
Online 145,36 € /pc.
On Order
(Ship. 6-7 days)
AT10-1050-16 timing belt, pitch 10, width 16 mm, length 1050 mm, 105 teeth, closed in a loop
ATTI • Code 040188 • CF CPOAT10105016
AT10-1050-16 timing belt, pitch 10, width 16 mm, length 1050 mm, 105 teeth, closed in a loop
List price 85,46 € /pc.
Online 47,00 € /pc.
On Order
(Ship. 6-7 days)
AT10-1050-25 timing belt, pitch 10, width 25 mm, length 1050 mm, 105 teeth, closed loop
ATTI • Code 040189 • CF CPOAT10105025
AT10-1050-25 timing belt, pitch 10, width 25 mm, length 1050 mm, 105 teeth, closed loop
List price 133,53 € /pc.
Online 73,44 € /pc.
On Order
(Ship. 6-7 days)
AT10-1050-32 timing belt, pitch 10, width 32 mm, length 1050 mm, 105 teeth, closed loop
ATTI • Code 040190 • CF CPOAT10105032
AT10-1050-32 timing belt, pitch 10, width 32 mm, length 1050 mm, 105 teeth, closed loop
List price 170,91 € /pc.
Online 94,00 € /pc.
On Order
(Ship. 6-7 days)
AT10-1050-50 toothed belt, pitch 10, width 50 mm, length 1050 mm, 105 teeth, closed loop
ATTI • Code 040191 • CF CPOAT10105050
AT10-1050-50 toothed belt, pitch 10, width 50 mm, length 1050 mm, 105 teeth, closed loop
List price 267,04 € /pc.
Online 146,87 € /pc.
On Order
(Ship. 6-7 days)
AT10-1080-16 timing belt, pitch 10, width 16 mm, length 1080 mm, 108 teeth, closed loop
ATTI • Code 040192 • CF CPOAT10108016
AT10-1080-16 timing belt, pitch 10, width 16 mm, length 1080 mm, 108 teeth, closed loop
List price 87,94 € /pc.
Online 48,36 € /pc.
On Order
(Ship. 6-7 days)
AT10-1080-25 toothed belt, pitch 10, width 25 mm, development 1080 mm, 108 teeth, closed loop
ATTI • Code 040193 • CF CPOAT10108025
AT10-1080-25 toothed belt, pitch 10, width 25 mm, development 1080 mm, 108 teeth, closed loop
List price 137,40 € /pc.
Online 75,57 € /pc.
On Order
(Ship. 6-7 days)
AT10-1080-32 toothed belt, pitch 10, width 32 mm, length 1080 mm, 108 teeth, closed loop
ATTI • Code 040194 • CF CPOAT10108032
AT10-1080-32 toothed belt, pitch 10, width 32 mm, length 1080 mm, 108 teeth, closed loop
List price 175,89 € /pc.
Online 96,74 € /pc.
On Order
(Ship. 6-7 days)
AT10-1080-50 toothed belt, pitch 10, width 50 mm, length 1080 mm, 108 teeth, closed loop
ATTI • Code 040195 • CF CPOAT10108050
AT10-1080-50 toothed belt, pitch 10, width 50 mm, length 1080 mm, 108 teeth, closed loop
List price 274,82 € /pc.
Online 151,15 € /pc.
On Order
(Ship. 6-7 days)
AT10-1150-16 timing belt, pitch 10, width 16 mm, length 1150 mm, 115 teeth, closed loop
ATTI • Code 040196 • CF CPOAT10115016
AT10-1150-16 timing belt, pitch 10, width 16 mm, length 1150 mm, 115 teeth, closed loop
List price 91,90 € /pc.
Online 50,54 € /pc.
On Order
(Ship. 6-7 days)
AT10-1150-25 timing belt, pitch 10, width 25 mm, length 1150 mm, 115 teeth, closed loop
ATTI • Code 040197 • CF CPOAT10115025
AT10-1150-25 timing belt, pitch 10, width 25 mm, length 1150 mm, 115 teeth, closed loop
List price 143,59 € /pc.
Online 78,97 € /pc.
On Order
(Ship. 6-7 days)
AT10-1150-32 toothed belt, pitch 10, width 32 mm, length 1150 mm, 115 teeth, closed loop
ATTI • Code 040198 • CF CPOAT10115032
AT10-1150-32 toothed belt, pitch 10, width 32 mm, length 1150 mm, 115 teeth, closed loop
List price 183,78 € /pc.
Online 101,08 € /pc.
On Order
(Ship. 6-7 days)
AT10-1150-50 timing belt, pitch 10, width 50 mm, total length 1150 mm, 115 teeth, closed loop
ATTI • Code 040199 • CF CPOAT10115050
AT10-1150-50 timing belt, pitch 10, width 50 mm, total length 1150 mm, 115 teeth, closed loop
List price 287,16 € /pc.
Online 157,94 € /pc.
On Order
(Ship. 6-7 days)
AT10-1210-16 toothed belt, pitch 10, width 16 mm, length 1210 mm, 121 teeth, closed loop
ATTI • Code 040200 • CF CPOAT10120016
AT10-1210-16 toothed belt, pitch 10, width 16 mm, length 1210 mm, 121 teeth, closed loop
List price 91,90 € /pc.
Online 50,54 € /pc.
On Order
(Ship. 6-7 days)
AT10-1210-32 toothed belt, pitch 10, width 32 mm, development 1210 mm, 121 teeth, closed loop
ATTI • Code 040202 • CF CPOAT10121032
AT10-1210-32 toothed belt, pitch 10, width 32 mm, development 1210 mm, 121 teeth, closed loop
List price 186,71 € /pc.
Online 102,69 € /pc.
On Order
(Ship. 6-7 days)
AT10-1210-50 timing belt, pitch 10, width 50 mm, length 1210 mm, 121 teeth, closed loop
ATTI • Code 040203 • CF CPOAT10121050
AT10-1210-50 timing belt, pitch 10, width 50 mm, length 1210 mm, 121 teeth, closed loop
List price 291,74 € /pc.
Online 160,45 € /pc.
On Order
(Ship. 6-7 days)
AT10-1250-25 timing belt, pitch 10, width 25 mm, length 1250 mm, 125 teeth, closed loop
ATTI • Code 040205 • CF CPOAT10125025
AT10-1250-25 timing belt, pitch 10, width 25 mm, length 1250 mm, 125 teeth, closed loop
List price 149,76 € /pc.
Online 82,37 € /pc.
On Order
(Ship. 6-7 days)
AT10-1250-32 timing belt, pitch 10, width 32 mm, length 1250 mm, 125 teeth, closed ring
ATTI • Code 040206 • CF CPOAT10125032
AT10-1250-32 timing belt, pitch 10, width 32 mm, length 1250 mm, 125 teeth, closed ring
List price 191,69 € /pc.
Online 105,43 € /pc.
On Order
(Ship. 6-7 days)
AT10-1250-50 timing belt, pitch 10, width 50 mm, length 1250 mm, 125 teeth, closed loop
ATTI • Code 040207 • CF CPOAT10125050
AT10-1250-50 timing belt, pitch 10, width 50 mm, length 1250 mm, 125 teeth, closed loop
List price 299,50 € /pc.
Online 164,73 € /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 €