We are offering hardened steel flat washers, product descriptioncompetitive advantages, 1). Top quality control2). Competitive price3). Various of design4). Oem accepted5). Customer's design and logo are welcomeproduct featuref436 hardened flat washers 1. Standard: f436, f436m, din6916, din125 washers2. Material: stainless steel, carbon steel, alloy steel3. Surface: plain, black, zp, zy, h. D. G. Etc. 4. Packaging: 25kgs per box, 36 boxes per palletproduct specificationmodelsorigin; china model number: f436 brand name: milfast material: steel type: flat gasket export markets: global.