Welcome to our store! (If you want to buy in bulk, be happy to contact us :)Physical shop management, professional quality, coupon promotion, click on to get it and use it!Spur Gear 1M 30 Teeth 1M30T Convex Step Motor Gear/Spur Gear Bore 5-17 Rack And Pinion GearModule: 1 module Number of teeth: 30 enamel Outer diameter: 32mm Steps: 25mm Overall height: 18mm Tooth height: 10mm Available bore: 5/6/6.35/7/8/10/12/12.7/14/15/16/17mm Fixing screws: delivered with machine screws M5*2 Material: forty five steel with blackened floor Prices for this link delivery at 1 Pcs •lf you should purchase a couple of item, you possibly can upload a browsing cart first, there will be a bigger discount.•We may give wholesale if you want extensive quantity, please touch us. Thanks.•Buying diverse merchandise can result in strange shipping fee. If the transport cost is too high, please touch us.•Picture is for illustration only, please select your requirements(Size .Quantity).