Description: These screws and nuts sets are manufactured from fine 304 stainless steel, which provides energy and is usually used when requiring rust protection properties. There are many size to your preference which might be commonly used in domestic and workplace appliance, machinery, furniture, repair and inventions. Features: Made of high quality 304 stainless steel, which gives energy and is usually used when requiring rust defense properties. Ideal to be used in places the place you wish hex socket cap head screws. Fixing component, industrial and structure fasteners. Used broadly in the house and office appliance, conversation equipment, ship assembly and different equipment industry. Specifications: Material: 304 stainless-steel Type: Hex socket cap head Package Includes: 20 Screw Set (1 Set =1x Screw,1x Nut ,2x Washers ) Standard: Allen Screw :DIN 912 Hex Nut :DIN 943 Flat Washer: GB97 Spring Washer: GB93 Note: 1. Please allow 1-2mm error thanks to guide measurement. Thanks in your understanding. 2. Monitors should not calibrated same, merchandise coloration displayed in photos may be showing slightly assorted from the genuine object. Please take the genuine one as typical