Total Height of Double Sided Arc Teeth Type Timing Belt Type W T HTD.DA-3M 0.760 3.10 HTD.DA-5M 1.143 5.26 HTD.DA-8M 1.372 8.17 HTD.DA-14M 2.80 14.84 HTD.DA-S8M 1.372 7.48 Dimension of Double Sided Arc Teeth Type Timing Belt Size Pitch Length (mm) Teeth No. 141-3M~3000-3M 141.00~3000.00 47~1000 180-5M~3770-5M 180.00~3770.00 36~754 320-8M~4200-8M 320~4200 40~525 826-14M~4326-14M 826~4326 59~309 S8M-376~S8M-3720 376~3720 47~465