Golden Conch PVC Transparent Sheet Screw

　　 Zhoushan Jinwei Screw Manufacturing Co., Ltd. is located at 219 Hongsheng Avenue, Zone B, Zhoushan Economic Development Zone. The company covers an area of 80000 square meters and is a production enterprise that designs and manufactures screws and barrels. Product, originated from After more than 20 years of practice, innovation, and the unremitting efforts of two generations, our products are distributed throughout the country, and our product quality and service have received widespread praise from manufacturers both inside and outside. The company's innovative business philosophy and technological equipment meet the needs of both internal and external customers.

　　The various screws and barrels produced by the company are strictly made of high-quality alloy steel as raw materials, and carefully crafted using new European and American technology and processing testing equipment to ensure production accuracy and quality, as well as long service life and good wear and corrosion resistance. The company undertakes surveying, design, renovation and batch processing services, fully utilizing screw design technology and processes to provide customers with products that exceed their value for money!

　　For many years, our company has adhered to a customer-oriented service attitude, constantly pursuing product perfection, innovating, gradually reducing management costs, and taking the path of a service-oriented enterprise and Logo. Striving for excellence, good products,.

　　material

　　·High quality alloy steel

　　1) 38 CrMoA LA (JIS SACM645)

　　2) 9 Cr18MoV

　　surface treatment

　　·Nitriding treatment

　　·Spray corrosion-resistant and wear-resistant bimetallic layer

　　technical indicators

　　·Depth of nitride layer: 0.50-0.80mm

　　·Nitriding hardness: 900-1000HV

　　·Nitriding brittleness: ≤,,

　　·Surface roughness: Ra0.4

　　·Screw straightness: 0.015mm

　　·Surface chrome plating hardness after nitriding: ≥ 950Hv

　　·Chrome plating thickness: 0.025-0.085mm