... ,ANSI,DIN type 2,high precision cnc tech 3,black oxide anti-corrosion 4,large production, large stock Sprocket 1, all ... , 60B10-100, 80B10-100, 100B10-100Payment,minimum order and deliveryT/T (30% deposit in advance, 70% balance before shipping). Minimum order ... and outer carton box or customer requirement. ANSI machine black oxide sprocket/hard teeth drive sprocket