Product Description

 Total length:**8.5mm
 Inside diameter:9mm
 outer diameter:*4.1mm
materials:
IN：4CR9SI2MO
EX：***4N

Technology:
1.Forging blank
2.**0 ℃ ~***0 ℃ high temperature treatment
3.The inlet end of high-frequency quenching hardness, improve the tail, tail HRC hardness up to *8 ° ~*5 °, reduce end fracture and shorten service life
4.Surface nitridation processing, processing depth 0.**8mm, nitriding colored grey, rust and increase the surface hardness

  Dingli Automobile Accessories Co., Ltd is specialized in valve manufacturing, sales of specialized precision manufacturing enterprises. Yangtze River is located in Anqing City Wangjiang provincial economic development zone covers an area of *0,**0 square meters, more than **0 employees. We survive by quality, innovation and development, science and technology for the purpose of promoting production, the introduction of high-tech talent and the most advanced and complete automated production equipment, testing equipment, has formed Forging - Heat Treatment - Machining - alloy spray - Surface Treatment - Shot Blasting production line; established a strict scientific management system, and in strict accordance with TS****9 specification production.