... 1.Certification:ISO9001/SGS/RoHs 2.Price:0.01~0.05usd 3. ... or as you requestThread M3, 3.5M3, M4, M5 Length6~25mm, .312~1.062" Finish zinc, copper ... galvanizing, etc.Advantage High and durable quality, suitable price, fast deliveryApplication electronic, computer, automobile, machinery, medical ... . Over 10 years manufacture experience in hardware.2.Professional research and development team.3. Very ...