100 pcs of CR2325 button cells case including bottom and top part , made of 316 stainless steel with sealing O-ring , which has better resistant of corrosion than SS304 Please click on the video above to view the assembly of a coin cell battery Click the below to view video:how to make a coin cell by MTI's machine Specifications Dimensions (Dia x Height) Dimension of crimped cell: ( Dia X H): 23±0.4mm x 2.5±0.3mm I.D. of the bottom can: 22mm I.D. of the top can: 20mm Material Case: SS316 Insulation ring: PP Weight Weight: 0.1 Oz Note Q: What are the differences between SS304 and SS316 stainless steel? A: 316 SS also contains about 2.5% molybdenum for improved resistance to corrosion from chlorides (found in salt, seawater, sweat, etc.). Application It is excellent for developing new rechargeable battery and battery electrodes Options Please click the picture to find other size Coin cell and Crimper