Ensure secure fastening in your mechanical and DIY projects with this comprehensive set of 240 hex socket head set screws, crafted from premium 304 stainless steel for exceptional rust resistance, durability, and long-lasting performance. Designed as multipurpose fasteners, these fully threaded set screws feature a cup point and are driven with internal hex keys, providing a reliable grip without the need for nuts. Key Features: · Premium 304 Stainless Steel Construction: Offers superior corrosion resistance and strength, ensuring longevity and dependable performance in various environments. · Multipurpose Hex Socket Head Design: Easily driven with included hex keys, allowing for precise installation and removal with minimal effort. · Wide Range of Sizes: Includes 12 commonly used sizes (M3 to M8) to accommodate diverse fastening needs, eliminating the hassle of searching for the right screw. · Large Quantity Pack: Comes with 240 pieces total, providing an ample supply for multiple projects and reducing frequent trips to the hardware store. · Convenient Storage and Portability: All screws are neatly organized in a resealable transparent box for easy access, transport, and storage. · Included Hex Keys: Five hex keys (sizes M1.5, M2, M2.5, M3, M4) are provided to fit the screws, ensuring you have the right tools on hand for immediate use. Specifications: · Material: 304 Stainless Steel · Type: Hex Socket Cup Point Set Screws · Color: Silver · Sizes and Quantities:  - M3x3mm – 20pcs  - M3x4mm – 20pcs  - M3x5mm – 20pcs  - M3x6mm – 20pcs  - M4x4mm – 20pcs  - M4x5mm – 20pcs  - M4x6mm – 20pcs  - M5x5mm – 20pcs  - M5x8mm – 20pcs  - M6x6mm – 20pcs  - M6x10mm – 20pcs  - M8x8mm – 20pcs Package Includes: · 240 x Hex Socket Head Set Screws (Assorted Sizes) · 5 x Hex Keys (M1.5, M2, M2.5, M3, M4) This versatile set screw kit is ideal for securing pulleys, gears, collars, and other components within shafts or assemblies, making it an essential addition to any toolbox for professional technicians, engineers, and DIY enthusiasts alike.