Закаленные Двойные Звездочки

Hardened Double Sprockets Features: 1.Types:08B, 10B,12B......Including simplex,duplex,triplex. 2. Material:C45# 3. Treatment:Forging,hobbing.blackening... 4. Standard:ANSI,SATI.... 5. Weight:about 4kgs. We are professional manufacturer for producing sprockets. Including standard sprockets,agricultural sprockets ,taper lock sprockets ,special sprockets. We also have the ability to make special items as per the customer's requirement. Sprocket & Platewheel in European Standard No.Strands Pitch Range 1 5mm, 6mm, 8mm, 3/8"-->3" 2 3/8"-->2" 3 3/8"-->