How to choose the alloy nozzle Hard alloy nozzle:, Tanaka Seiki winding machine parts hard alloy nozzle (tungsten steel needle guide): the product adopts hard alloy into the data precision machining, the hardness up to HRA90 above, this product at both ends and inner hole are all mirror processing, in order to ensure enameled wire can not be scraped injury. Steel and the hardness is very high, not easy winding and blocking, impact resistance. Th, Tanaka Seiki winding machine parts hard alloy nozzle (tungsten carbide alloy guide pin) is my company's flagship product, welcome customers to inquire and order. First, we also provide: guide pin super hard alloy (tungsten steel super hard alloy guide guide needle) Two, super hard alloy nozzle (winding machine of super hard alloy nozzle guide needle) We understand the details please visit the company's official website: www.www.swlawyer.org.cn Source: www.www.swlawyer.org.cn (forward please specify forwarding source)