Martin 60B32 Welded B Sprocket Bored to Size 60 / 3/4" B Hub 32 Teeth New no box. May have light rust and scuffs etc from being in storage. B Style sprockets are flat sprockets with a hub extension welded on one side. These plain bore sprockets can easily be bored to a metric or standard size to fit your application. Keyways, set screws and hardened teeth are quick alterations that can be made. Tolerances meet or exceed ANSI standards Manufactured of high carbon steel Precise machining and processes ensure consistent finish and high quality Bores are concentric to pitch line, minimizing run out Specifications Chain number pitch: 60 / 3/4 in Caliper diameter: 7.1827 in Hub style: B Pitch diameter: 7.6517 in Number of teeth: 32 Maximum bore diameter: 2.7500 in Bore type: Bored to Size Tooth width: 0.459 in Bore diameter: 0.7500 in Storage dimension height: 1.25 in Number of strands across: 1 Storage dimension length: 8.06 in Material: Steel Storage dimension width: 8.06 in Number of hubs: 1 Standards met: ANSI Length through bore: 1.2500 in Surface treatment: Protective Coating Hardened teeth: Non-Hardened Teeth Manufacturer upc number: 697950017464 Pitch type: Single Hub diameter: 4 in Weight: 8.32 lbs Outside diameter: 8.065 in