TOP DRIVE® synchronous belt (HTD) is an evolved product of the standard forward drive belt. The tooth profile conforms to the ISO 13050 standard for HTD tooth type. This tooth type has been used in various applications for many years and is renowned worldwide for its reliable performance. The power transmission of TOP DRIVE® far exceeds the classic imperial triangular belt. 

The arc tooth type has excellent anti-jump tooth performance and achieves smooth tooth engagement. Compared with the classic triangular belt, the noise level is significantly reduced. For different pitch ratios, it can provide various applicable lengths and widths. 

Belt characteristics: 

HTD tooth profile 

Pitch: 3M, 5M, 8M, 14M 

Double pitch: D5M, D8M, D14M 

Rubber material: Chloroprene rubber 

Stretching the cord: Glass fiber 

Gear surface material: Nylon 

Temperature: -20/+100 °C 

We can provide open-type SIT HPPD PLUS synchronous belts and splints.