1. Standard: ASME B 18.2.12. Size: 1/4”-3”3. Material: Carbon Steel, Alloy Steel, Stainless Steel, Brass4. Grade: SAE J429 Gr.2, 5,8; ASTM A307Gr.A 5. Thread: UNC, UNF6. Finish: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G7. Packing: bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand 8. Application: Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating9. Test Equipments: Caliper,Go&No-go gauge,Tensile test machine,Hardness tester,Salt spraying tester, H.D.G thickness tester, 3D detector,Projector,Magnetic flaw detecter