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