CNC Machining Parts, Metal Stamping, Casting Parts manufacturer / supplier in China, offering DIN 6921 Hex Flange Bolt for Mechanical Equipment M2.5-M12 4mm-150mm, DIN7643 Hydraulic Banjo Fitting Bolt Hexagonal Hydraulic Oil Bolts, Stainless Steel Fastners Fully Threaded Plain Hex Bolt Hexagon Head Bolt DIN 933 and so on.