Product Name: A194 2h Heavy Hex Structural Nut Black Finish Model NO.: A194 2H Grade: 2h Standard: DIN, ANSI, JIS Head Style: Hexagonal Connection: Common Bolt Type: Hexagon Head Material: Carbon Steel Diameter: 1/2'' to 4'' Surface Treatment: Black, 3cr+ Zinc, H.D.G, Teflon Heat Treatment: Yes High Tensile: Yes Construction Nuts: Yes Raw Material: Carbon Steel Port: Ningbo Port Trademark: SD Transport Package: Bulk Packing in 25kg Carton Then in 900kg Pallet Origin: Ningbo, China Product Description COMPANY DEscriptIonNingbo S&D metalwork Co.,Ltd is a professional metalwork company in Yinzhou District, Ningbo, specializes in Fasteners, such as Bolts, Nuts,Threaded Rods and Washers, with standard ANSI, ASTM, SAE, DIN, BS, ISO, etc, Stamping parts, Turning parts, Welded parts, Casting parts and Special parts, according to CAD drawing and samples.PRODUCTS DEscriptIonSTANDARDHEAVY HEX STRUACTURAL NUT A194GRADE2HSIZE1/2"-4"SURFACE TREAMENTBlack, zinc plated, zinc (Yellow) plated, H.D.G. etc.MATERIALCarbon steel, alloy steel ,stainless steel,ect.WAREHOUSE & SHIPPMENT