600Pcs Machine Screws Assortment Kit, M2 M2.5 M3 M4 M5 Phillips Pan Head Bolts and Nuts Set Kit, 304 Stainless Steel Metric Combination Screw with Fixed Washers (All-in-One Design) for DIY Projects

600Pcs Machine Screws Assortment Kit, M2 M2.5 M3 M4 M5 Phillips Pan Head Bolts and Nuts Set Kit, 304 Stainless Steel Metric Combination Screw with Fixed Washers (All-in-One Design) for DIY Projects

• ?【Premium 304 Stainless Steel Construction】: Crafted from high-strength 304 stainless steel, these screws offer exceptional rust-resistant and corrosion-resistant properties. They withstand humid, high-temperature, and harsh environments, ensuring long-lasting durability without rust or deformation—ideal for both industrial and household applications.
• ?【Prevents Loosening】:Cross Recessed Pan Head Screws are made of 304 stainless steel materials,the integrated washer or locking feature provides better load distribution, vibration resistance, and prevents loosening over time.
• ?【Package Include】:This small metric machine screws included M2, M2.5, M3, M4, M5 screws, M2 x 6mm, 15 Sets; M2 x 8mm, 15 Sets; M2.5 x 8/12mm,15 Sets; M2.5 x 12mm,15 Sets; M3 x 8mm, 10 Sets; M3 x 10mm, 10 Sets; M3 x 12mm, 10 Sets; M4 x 8mm,10 Sets; M4 x 12mm,10 Sets; M4 x 16mm,10 Sets; M5 x 8mm, 10 Sets; M5 x 12mm,10 Sets; M5 x 16mm,10 Sets; catering to both small-scale and large-scale needs.
• ?【Installation Efficiency & Stronger tightening force】: Each screw in the set comes with a corresponding washer and nut, ensuring a perfect fit and secure fastening. greater preload during tightening,increasing the reliability and stability of the connection. Combination screws are produced by thread-rolling machines, which press screws, lock washers, and flat washers together in a single operation to form a permanent, non-separable assembly (the washers cannot be removed or repositioned).
• ?【Wide Range of Applications】:This nuts and bolts assortment kit is designed for diverse uses, including electronics and small devices, engine components, electrical systems, automotive, construction industries and machinery