... Professional nuts manufacturer 2.60 sets of turning machines Hex Bolts with Internal Screw Thread, Turning Parts, Non ... ,punching,spray paint,bending,welding,etc.CapabilityOEM.Own factory.Custom-madeGuarantee365 daysCertificateISO9001:2008,RoHSOEMOffered2.Introduction of our ... before shipment and with good after-sales service. Hex Bolts with Internal Screw Thread, Turning Parts, Non- ...