Dacrotized finish hex bolt
Specifications
Material: high carbon steel
Standard:ASTM A193 B7/B7M/B16,ASTM A320L7/L7MSize:1/2"--4"
Length:30mm-6,000mm
Grade:4.8, 6.8, 8.8
Finish:Dacrotized finish zinc plating, blackening, hot dip zinc, yellow zinc plating, environment-friendly zinc plating and special lubricate coating
Certificate:ISO
Marking:standard or as customer's need
Inspection:in-house or the third party
Range of Application:
chemical industry, petroleum industry, construction industry, domestic installation, and so on