Jiaxing Qunbang Hardware Co., Ltd. is a fastener manufacturer and supplier in China. We have many years of fastener export experience. ASME B18.2.1 Black Hexagon Head Bolts is a common fastener product, It has a wide range of applications. We have hexagonal head bolts in various sizes, Its thread size and thickness allow for better connection, It is usually used with a nut and a washer. We have good price and product inspection certificate, and we have free samples, Welcome to contact us.
ASME B18.2.1 Black Hexagon Head Bolts is a commonly used standard hexagon bolt, Its common size is M3-M60. Its general grade is 10.9, The material of carbon steel allows the surface to be galvanized, The black galvanizing will protect it from corrosion and rust, Appropriate size and spacing of threads for better connection, The commonly used hexagonal head makes its application field very wide. All our products come with ISO certificates, ASME B18.2.1 Black Hexagon Head Bolts Have good after-sales, ASME B18.2.1 Black Hexagon Head Bolts Have good quality inspection Incoming quality contral(IQC)→Process Quality control(PQC)→Output quality control(OQC), and the random samples is sent to TUV for testing. If the customer received the goods and found quality problems, QBH company promises to be responsible for returning money or replenishing the goods, ASME B18.2.1 Black Hexagon Head Bolts Ten years warranty.
ASME B18.2.1 Black Hexagon Head Bolts application scenarios are very wide. The product massively applies in the bridge/road/the petroleum pipeline facility/the wind power generation and steel structure project.
Place of Origin | CHINA |
Standard | ASME B18.2.1 Black Hexagon Head Bolts |
HS CODE | 7318159001 |
Brand Name | QBH |
Certification | ISO9001 |
Material | 35K, 40Cr, 35CrMo, SCM435,etc. |
Size | M3-M64 |
Production Process | Cold forging≤300mm, Hot forging≤1000mm |
Class | 4.8/ 6.8/ 8.8/ 10.9/ 12.9 |
Delivery Time | Within 30 Days |