... For Industry(MXL,XXL,XL,L,H,XH,XXH,T2.5,T5,T10,T20,AT5,AT10,AT20)Feature•It may solve ... exerted stably and safely during the process of high-speed rotation. TypePitch(mm)Tooth height (mm)Thickness (mm)Angle ( °) MXL2.0320 ... .510.14 40 XXL3.175 0.76 1.5250 XL5.08 1.27 2.3 50 ... For Industry(MXL,XXL,XL,L,H,XH,XXH,T2.5,T5,T10,T20,AT5,AT10,AT20)