304 Stainless Steel Rotor Pneumatic Rotary Joint Tengzhou Hongtian Rotary Joint Factory Base Info Model NO.:H D QStandard:GBMaterial:Stainless SteelConnection:FlangeSurface Treatment:Without TreatmentHead Type:RoundOrigin:Tengzhou, Shandong, China Description Pre:Cheap M2 M3 M4 DIN 7991/ISO10642 Hexagon Socket Countersunk Head Screw Next:316L Stainless Steel DIN933 Hex Screws Hexagon Head Bolts with Full Thread