Hexagon Head Code and Carbon Steel Material flare tube nut mateial:Medium Carbon Steel, Brass, stainless steel or Required zinc plated:yellow,white different size available Packing:Wooden box, or as per the customer' s requirements Tolerance:+/-0.01mm Business scope:CNC center machining, cnc machinin, cnc drilling, cnc turning, grinding, tapping, mould design and processing, casting, sheet mental working etc
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