We are offering brass lamp parts material: free cutting brass is 319 type (i) orfree cutting brass as per bs 249 type (i) orhigh grade free cutting brass orany special brass material composition as per customers requirement threads : iso metric (mm threads).npsm threadsbsp threads finish and coating : natural, nickle plated or any coating as per any kind of special brass lamp parts can be developed and supplied exactly as per customer specifications.