... plated,hot dip galvanized,electrical galvanized,black,plain3)size:diameter from M3 to M42,1/4" to 3/4",length ... from 8mm to 300mm,1/2" to 12"4)grade:4. ... china7)delivery:30 days usuallyWe are specilized manufacturer and exporter from China, having been engaged in this line for more than 10 ...