Feature:1. The D Shaft is made of high quality material, wear resistant and durable, high strength.2. The use method of stainless steel D shaft is similar to that of round shaft, but the profile of stainless steel D shaft adds a flat surface for fixing screws.3. The D shaped profile can effectively prevent wheels, gears and other driving parts with matching D holes from rotating and slipping on the stainless steel D shaft.4. These precision ground stainless steel D shafts can connect wheels, gears and driving parts to the power motor.5. Used as a drive shaft accessory for intelligent robots, and can also be applied to lathe equipment and engineering equipment.Specification:Item Type: D ShaftMaterial: Stainless SteelModel: 4101-0006-0030Length: Approx. 30mm/1.18inCompatible: Used As a Drive Shaft Accessory for Intelligent Robots, and Also Suitable for Lathe Equipment and Engineering Equipment.Package List:20 x D shaftNote:1. Please match the appropriate design size before use and installation.2. Remember to tighten the screws during the fixing process.