The 40B18 Stock Bore Sprocket by G & G MFG COMPANY is a high-quality component designed for efficient power transmission. With a bore size of 18mm, this sprocket is perfect for use in various machinery and conveyor systems. Constructed from durable materials, it offers excellent resistance to wear and tear, ensuring a long service life. The 40B18 sprocket is compatible with standard roller chains, making it versatile for different applications. Its precision-engineered design guarantees smooth operation and minimal backlash, making it an essential part of any mechanical setup.