Key features

• •Combination Screws:This small metric machine screws included M2, M2.5, M3, M4, M5 screws, M2 x 6mm,15Sets; M2.5 x 8mm,15Sets; M2.5 x 12mm,15Sets; M3 x 8mm, 20Sets; M3 x 12mm, 20Sets; M4 x 8mm,13Sets; M4 x 16mm,12Sets; M5 x 8mm, 8Sets; M5 x 16mm,7Sets; catering to both small-scale and large-scale needs.
• •Integrated Design: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).
• •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.
• •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
• •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.