● Product Name: #25 04C Sprocket ● Material: 45# Steel ● Number of Teeth: 25 Teeth - forty seven Teeth ● Pitch: (1/4") 6.35mm ● Tooth Height: 15mm ● Tooth Thickness: 2.8mm ● Bore:6mm 8mm 10mm 12mm ● Suitable for #25 (04C) Type Chain ● Surface Treatment: High Quenching / No Quenching Shipping Instructions: Different Production Batches, the Surface Treatment Color Will Be Different. the Products Shipped Are Random, Causing Inconvenience. Please Understand That. Thanks Product Features It Is Made of High Quality Steel. It Has Good Damage Resistance, Wear Resistance, Long Service Life and High Hardness. the Transmission Is Stable, the Tooth Pitch Is Precise, the Operation Is Stable, and It Is Not Easy to Skip Teeth and Deviation. Hardened Treatment, Smooth Tooth Surface, Strong Tensile Strength, Durable and High Efficiency. Product Application Widely Used in Chemical Machinery Transmission, Textile Machinery, Escalators, Wood Processing, Garages, Agricultural Machinery, Food Processing, Instrumentation, Petroleum and Other Industries.