1) DOUBLE END THREAD ROD 2) Manufacturer Directly 3) DIN975 4) Available ... and so onSizeM6-M42 LengthM16-300Type of headSquare,Hex,Flange,Hex socket,T-Head and other you can chooseSurface ... drawing or your sampleRegarding to Nuts Type of NutSquare,Hex,Flange,Hex socket,T-type,Coupling,wheel ,acorn,tapper,and ... Delivery6) We have 10years experience of manufacturing fasteners THREAD ROD STUD BOLT DIN975