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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 toothed belt - 610-32, pitch 10, width 32 mm, length 610 mm, 61 teeth, enclosed ring
ATTI • Code 039654 • CF CPOT10061032
T10 toothed belt - 610-32, pitch 10, width 32 mm, length 610 mm, 61 teeth, enclosed ring
List price 87,51 € /pc.
Online 48,13 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 610-50, pitch 10, width 50 mm, length 610 mm, 61 teeth, closed loop
ATTI • Code 039655 • CF CPOT10061050
T10 timing belt - 610-50, pitch 10, width 50 mm, length 610 mm, 61 teeth, closed loop
List price 136,72 € /pc.
Online 75,20 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 630-16, pitch 10, width 16 mm, length 630 mm, 63 teeth, closed loop
ATTI • Code 039656 • CF CPOT10063016
T10 timing belt - 630-16, pitch 10, width 16 mm, length 630 mm, 63 teeth, closed loop
List price 44,04 € /pc.
Online 24,22 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 630-25, pitch 10, width 25 mm, length 630 mm, 63 teeth, closed loop
ATTI • Code 039657 • CF CPOT10063025
T10 toothed belt - 630-25, pitch 10, width 25 mm, length 630 mm, 63 teeth, closed loop
List price 68,82 € /pc.
Online 37,85 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 630-32, pitch 10, width 32 mm, length 630 mm, 63 teeth, closed loop
ATTI • Code 039658 • CF CPOT10063032
T10 toothed belt - 630-32, pitch 10, width 32 mm, length 630 mm, 63 teeth, closed loop
List price 88,09 € /pc.
Online 48,45 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 630-50, pitch 10, width 50 mm, length 630 mm, 63 teeth, closed loop
ATTI • Code 039659 • CF CPOT10063050
T10 toothed belt - 630-50, pitch 10, width 50 mm, length 630 mm, 63 teeth, closed loop
List price 137,64 € /pc.
Online 75,70 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 660-16, pitch 10, width 16 mm, length 660 mm, 66 teeth, closed loop
ATTI • Code 039660 • CF CPOT10066016
T10 toothed belt - 660-16, pitch 10, width 16 mm, length 660 mm, 66 teeth, closed loop
List price 44,34 € /pc.
Online 24,38 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 660-25, pitch 10, width 25 mm, length 660 mm, 66 teeth, closed loop
ATTI • Code 039661 • CF CPOT10066025
T10 toothed belt - 660-25, pitch 10, width 25 mm, length 660 mm, 66 teeth, closed loop
List price 69,27 € /pc.
Online 38,10 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 660-50, pitch 10, width 50 mm, length 660 mm, 66 teeth, closed loop
ATTI • Code 039663 • CF CPOT10066050
T10 timing belt - 660-50, pitch 10, width 50 mm, length 660 mm, 66 teeth, closed loop
List price 138,56 € /pc.
Online 76,21 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 690-16, pitch 10, width 16 mm, length 690 mm, 69 teeth, closed loop
ATTI • Code 039664 • CF CPOT10069016
T10 toothed belt - 690-16, pitch 10, width 16 mm, length 690 mm, 69 teeth, closed loop
List price 45,64 € /pc.
Online 25,10 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 690-25, pitch 10, width 25 mm, length 690 mm, 69 teeth, closed loop
ATTI • Code 039665 • CF CPOT10069025
T10 timing belt - 690-25, pitch 10, width 25 mm, length 690 mm, 69 teeth, closed loop
List price 71,33 € /pc.
Online 39,23 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 690-32, pitch 10, width 32 mm, length 690 mm, 69 teeth, closed loop
ATTI • Code 039666 • CF CPOT10069032
T10 timing belt - 690-32, pitch 10, width 32 mm, length 690 mm, 69 teeth, closed loop
List price 91,30 € /pc.
Online 50,22 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 690-50, pitch 10, width 50 mm, length 690 mm, 69 teeth, closed loop
ATTI • Code 039667 • CF CPOT10069050
T10 timing belt - 690-50, pitch 10, width 50 mm, length 690 mm, 69 teeth, closed loop
List price 142,66 € /pc.
Online 78,46 € /pc.
On Order
(Ship. 6-7 days)
Toothed belt T10- 700-16, pitch 10, width 16 mm, length 700 mm, 70 teeth, closed loop
ATTI • Code 039668 • CF CPOT10070016
Toothed belt T10- 700-16, pitch 10, width 16 mm, length 700 mm, 70 teeth, closed loop
List price 45,64 € /pc.
Online 25,10 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 700-25, pitch 10, width 25 mm, length 700 mm, 70 teeth, closed loop
ATTI • Code 039669 • CF CPOT10070025
T10 timing belt - 700-25, pitch 10, width 25 mm, length 700 mm, 70 teeth, closed loop
List price 71,33 € /pc.
Online 39,23 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 700-32, pitch 10, width 32 mm, length 700 mm, 70 teeth, closed loop
ATTI • Code 039670 • CF CPOT10070032
T10 timing belt - 700-32, pitch 10, width 32 mm, length 700 mm, 70 teeth, closed loop
List price 91,30 € /pc.
Online 50,22 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 700-50, pitch 10, width 50 mm, length 700 mm, 70 teeth, closed-loop
ATTI • Code 039671 • CF CPOT10070050
T10 toothed belt - 700-50, pitch 10, width 50 mm, length 700 mm, 70 teeth, closed-loop
List price 142,66 € /pc.
Online 78,46 € /pc.
On Order
(Ship. 6-7 days)
T10 toothed belt - 720-16, pitch 10, width 16 mm, length 720 mm, 72 teeth, closed loop
ATTI • Code 039672 • CF CPOT10072016
T10 toothed belt - 720-16, pitch 10, width 16 mm, length 720 mm, 72 teeth, closed loop
List price 45,95 € /pc.
Online 25,27 € /pc.
On Order
(Ship. 6-7 days)
Timing belt T10- 720-25, pitch 10, width 25 mm, length 720 mm, 72 teeth, closed-loop
ATTI • Code 039673 • CF CPOT10072025
Timing belt T10- 720-25, pitch 10, width 25 mm, length 720 mm, 72 teeth, closed-loop
List price 71,79 € /pc.
Online 39,48 € /pc.
On Order
(Ship. 6-7 days)
T10 timing belt - 720-32, pitch 10, width 32 mm, length 720 mm, 72 teeth, endless loop
ATTI • Code 039674 • CF CPOT10072032
T10 timing belt - 720-32, pitch 10, width 32 mm, length 720 mm, 72 teeth, endless loop
List price 91,90 € /pc.
Online 50,54 € /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 €