Alright, gearheads and DIY mechanics, this is a solid little sprocket for your power transmission projects. This #35 chain roller sprocket has 13 teeth and a 3/4-inch bore, made from durable carbon steel that's built to last. The teeth have been through high-temperature quenching heat treatment, which basically means they're extra hard and wear-resistant - perfect for handling those continuous loads without wearing down quickly. It comes with a keyway and two set screws positioned 90 degrees apart, so you can really lock it securely onto your shaft without any slipping. The whole thing has a black oxide coating that fights off rust, which is great if your equipment works in damp conditions or outdoors. The dimensions are pretty standard - 1.69-inch outer diameter, 0.79-inch thickness - so it should fit right into your existing setups. Remember though, like any sprocket, you want at least three teeth engaged with the chain at all times for smooth operation, and don't push it beyond the recommended RPM for its size. These work great in milling machines, drilling equipment, conveyor systems, or any other machinery where you need reliable power transmission. It's a simple component, but well-made and ready to get your projects moving.