BLM manufacture and supply various material guide pin,locating pin,bushing,sleeve. Our material include KCF alloy material,ceramic coated,Zirconia ceramic,Silicon nitride ceramic etc.To meet different clients' requirements. The standard size M4,M5,M6,M8,M10,M12,7/16 guide pins are always in stock.Specifical specification can be customized according to your drawing.Welcome your enquiry!