{"product_id":"mechanical-drive-sprockets-ansi25-5-bore-14-teeth-sprocchn","title":"#25 Drive Sprocket - 1\/2\" Bore","description":"\u003cp\u003eThis is a 14 tooth 1\/2\" ID drive sprocket that mates with a #25 roller chain (bicycle chain). With a drive sprocket on a motor and an roller chain, you can make things move.\u003c\/p\u003e\n\u003cdiv\u003eThis drive sprocket has 14 teeth at a pitch of 1\/4\" (.25 inches). You can calculate the travel of one revolution by multiplying the number of teeth and the pitch.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eFor instance: You have a motor with a 1\/2\" shaft and looking for the fewest number of teeth to achieve the highest possible mechanical resolution. The sprocket has 14 teeth with .25\" pitch for a total of 3.5 inches of travel in one turn of the motor. Here are the resolutions at varying microsteps (in steps per inch): Full Step - 57.143, 1\/2 - 144.286, 1\/4 - 228.571, 1\/8 - 457.143, 1\/16 - 914.286, 1\/32 - 1828.571.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThis drive sprocket also has two set screws. The set screws are #10 UNC (Unified National Coarse - standard type) and uses an allen wrench to tighten.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe bore (inside diameter) is 1\/2\" (.5 inches). This drive sprocket will fit on a shaft that has a 1\/2\" diameter. This sprocket will fit on our \u003ca href=\"https:\/\/www.buildyuurcnc.com\/item\/electronicsAndMotors-nema34-651ozin\"\u003eNEMA 34 stepping motors.\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"BuildYourCNC","offers":[{"title":"1\/2\" ID Drive Sprocket - 14 teeth","offer_id":45875867091118,"sku":"213","price":11.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/sprocket-one-half-ID-14-teeth-200.jpg?v=1730084106","url":"https:\/\/buildyuurcnc.com\/products\/mechanical-drive-sprockets-ansi25-5-bore-14-teeth-sprocchn","provider":"BuildYourCNC","version":"1.0","type":"link"}