الوصف

Sprockets Numbers: & *6B(3/8"), *8B(1/2"), *0B(5/8"), *2B(3/4"), *6B(1") *0B(**1/4"), *4B(**1/2"), *8B(**3/4), *2B(2") Sprocket series: & Single & Double & Triple Bores: & Straight Bored to Size & Tapered for Taper Lock Bushings Standard Sprockets Introduction： &Material:DIN GG*0, GG*5 or or C***5 steel, For each batch of casting, inspection certificate including chemcial composition, tensile strength, hardness etc will be tested & issued; for each batch steel material, subsupplier will provide material certificate issued by steel plant. &Machining:Precesion machining for pulley with stock bore, taper bore and gear. &Finish: Black oxide for steel Sprockets, Black phosphate for cast iron Sprockets. &Package: Master carton. Sprockets:Made to Orders' Prints and/or Samples Made-to-order Sprockets Introduction： &Material:Aluminium、Alloy material etc. &Finish:No surface treatment、oiled. &Package: Master carton.