... manufacturer 2.60 sets of turning machines Hex Bolts with Internal Screw Thread, Turning Parts, Non-standard 1.Description of ... : Highly qualified and experienced design team,who can work with your individual needs to meet your demands. 3) Characteristic ... time,stricr inspection before shipment and with good after-sales service. Hex Bolts with Internal Screw Thread, Turning Parts, Non-standard