Helical Gears

The 12925004 small helical gear (helical gear type) has a module of 0.9769, pressure angle of 14.5° and helix angle of 45°/L, with 15 teeth. Made of 20CrMo material, it is fabricated via sophisticated processes including normalizing, hobbing and nitriding heat treatment. Boasting a compact size (addendum circle diameter 22.67mm, total length 17mm, weight 0.0171kg), it is a dedicated transmission component for sewing equipment, featuring stable transmission, wear resistance and long service life.

1533-6 Tooth Helical Gear: 20CrMo helical gear for sewing machines, module 0.8, 6 teeth, 15.12°R helix angle, precision-engineered, stable and efficient transmission​ 1533-T36 Helical Gear: 20CrMo helical gear for sewing equipment, module 0.8, 36 teeth, 15.12°R helix angle, high-precision, strong adaptability

1. 1560-4 Mini Hook (Cylindrical Gear 28×1.25-RH) is a helical gear made of 20CrMo. With a pressure angle of 20°, module of 1.25, 28 teeth, 15° right-hand helix angle, tooth outer diameter of 38.73mm and weight of 0.0747kg, it is produced via precision processes and serves as a key transmission component for sewing equipment.
2. 1560-4 Mini Hook (Cylindrical Gear 32×1.25-RH) is a 20CrMo helical gear, featuring a pressure angle of 20°, module of 1.25, 32 teeth, 12° right-hand helix angle, tooth outer diameter of 43.39mm and weight of 0.0922kg. Manufactured through multi-step precision processes, it is a dedicated transmission part for sewing machinery.

2020692 gear shaft (helical gear) is made of 20CrMo, with a pressure angle of 20°, module of 0.8, 8 teeth and 15° right-hand helix angle. It has a tooth outer diameter of 10.8mm, total length of 142.3mm and weight of 0.0870kg. Produced via precision processes including hobbing, heat treatment correction and multiple grinding, it is a dedicated transmission component for power tools.

The 2024351 finished helical gear (dedicated for power tools) has a pressure angle of 20°, module of 1.25, 41 teeth and helix angle of 5°/R. With an inner diameter of 16mm, outer diameter of 53.45mm, total length of 10mm and weight of 0.0962kg, it is made of 20CrMnTi material through precision processes including normalizing, hobbing and heat treatment, featuring stable transmission, wear resistance and impact resistance.

Model QY-011-C/2024356 helical gear is made of 20CrMo, with a pressure angle of 20°, module of 1.25, 41 teeth and 20° right-hand helix angle. Produced via multiple processes including hobbing and heat treatment, it has a tooth outer diameter of 56.8mm and weight of 0.138kg, serving as a dedicated transmission component for power tools.