1pc 3M 20T Bevel Gear45# STEEL BEVEL GEARStrong and SturdyHigh TorqueStrong Wear ResistanceLow NoisePRODUCT INFORMATIONProduct Name: Bevel gearProduct Material: No. forty five steelRotation Speed Ratio: 1:1Engagement Angle: 90°Mainly Applicable: Hardware/mold/mechanical transmission, etc.Note: The material of the bevel equipment is No. 45 steel. The ones marked at the desk are quenched and a few may well rust. If you mind, please be careful.(Unit: length/mm, weight/kg) Please Click Picture to Buy What You Need Strong and Sturdy HIGH QUALITY forty five GAUGE STEEL MATERIAL High strength,high torque,good comprehensive mechanical houses Long life,good lubricity, easy to form,noise reduction and surprise absorption Convenient FINISHED FINISHED PRODUCT INNER HOLE The internal gap of the completed product is punctiliously crafted and may be used directly for comfort and speed. Strong Wear Resistance TOOTH SURFACE HARDENING HIGH FREQUENCY QUENCHING Hardened by means of heat medication to enhace strength.Good put on resistance