Material: C1022 Feature: bugle head, Phillips drive, coarse or fine thread Finished: black / gray phosphated Usage: More and more widely used in hard wood, furniture-making, gypsum board, decoration, sheet iron-machining, light steel joist and construction so on Payment items: T/T Shipping port: Tianjin Delivery time: within 15 days or much earlier. Size: 3.5mm*19-60mm Minimum order quantity: 1 ton trial order as agreement Packaging details: 1000pcs/box, 12*20boxes/carton, meanwhile can be packed as you require.
Material: high carbon spring steel, spring steel, stainless steel, alloy steel Compression Spring, Extension Spring : Wire Diameter: 0.2-40.0mm Torsion spring wire diameter :0.2-35mm Surface Finish: black , Zinc, Nickel, silver, golden, tin, powder coating, shot pin Applications: Automotive, medical device, agricultural machinery ,electronics, toy, electric power distribution. Extension spring hook include Germany hook, British hook, Side hook We can customize special design of springs based on your requirement.