HTS circle gear

·Taper hole and straight hole
·Pitch: 3M, 5M, 8M, 14M, 20M

ISO traditional gear
·Taper hole and straight hole
·Pitch: MXL、XL、L、H、XH

DIN metric system
·Pitch: T2.5、T5、T10、T20、AT5、AT10、AT20

Supertorque
·Pitch: S4.5M、S5M、S8M and