※ 1.5 Mod spur gear with Black oxide finish. Surface hardness is about HRC40~45. 
※ The gear is a gear molding process. A slightly eccentric phenomenon occurs. If you have requirements for the accuracy of the gear, please take a careful shot or contact customer service.
※Gear material for high-quality 45 # steel, gear surface blackening or quenching treatment! Surface blackening can effectively avoid rust phenomenon, surface quenching may have rust phenomenon.
※ Involute gears can be inserted correctly even if there are deviations in the center distance, and it is easier to obtain the correct tooth shape.
※ The gear material is 45 # steel, which can have rust in the water, which is normal and does not affect normal use.
※ Bore tolerance is 0~+0.04, spot may have a small amount of burr, is a normal phenomenon, please understand!
※ Bore is round, round with keyway, D-hole, see list for detailed parameters!
※ The outer dimensions (such as inner hole size, total thickness and other data) can change depending on the batch. The data is for reference only and the actual product takes precedence.

Tips: The pictures are for reference only and the size, color, printing, etc. are subject to the actual product.