【Product Details】- This M5 screw assortment kit comes with a total of 272 pieces, includes 72pcs hex socket head bolts,40pcs hex nuts, 80pcs flat washers, 80pcs spring washers, and a mini wrench.The m5 metric socket head cap screw kit feature 8 commonly used lengths—M5-0.8 x 8mm, 10mm,12mm, 16mm,20mm,25mm,30mm,35mm—ideal for routine installations and repairs. They meet standard metric specs, the average error is less than 0.01mm. 【High Quality】– Made of durable 12.9 alloy steel 5mm black hardware kit with oil-free black galvanizing for corrosion resistance. Smooth, burr-free surface with precise threading ensures secure fastening. Good rust resistance for indoor/light outdoor use. Perfect for demanding applications requiring strength and reliability. 【Wide Applications】This M5 hex socket head bolts assorted kit is perfect for all sorts of building and repair projects. Whether you’re into 3D printing, working on RC cars, fixing small electronics, or tackling DIY jobs—these screws have you covered. 【Organized Storage Box 】- The M5 machine screw set comes in a durable, compartmentalized case with clear size labels—so you can spot the right screw instantly. Keeps your workspace tidy and speeds up project progress, making every job smoother. 【Brand Guarantee】 Backed by rigorous quality control, Fgruh guarantees reliable metric screw for your projects. Enjoy peace of mind with our 24-month warranty and dedicated customer support. 【Product Details】- This M5 screw assortment kit comes with a total of 272 pieces, includes 72pcs hex socket head bolts,40pcs hex nuts, 80pcs flat washers, 80pcs spring washers, and a mini wrench.The m5 metric socket head cap screw kit feature 8 commonly used lengths—M5-0.8 x 8mm, 10mm,12mm, 16mm,20mm,25mm,30mm,35mm—ideal for routine installations and repairs. They meet standard metric specs, the average error is less than 0.01mm. 【High Quality】– Made of durable 12.9 alloy steel 5mm black hardware kit with oil-free black galvanizing for corrosion resistance. Smooth, burr-free surface with precise threading ensures secure fastening. Good rust resistance for indoor/light outdoor use. Perfect for demanding applications requiring strength and reliability. 【Wide Applications】This M5 hex socket head bolts assorted kit is perfect for all sorts of building and repair projects. Whether you’re into 3D printing, working on RC cars, fixing small electronics, or tackling DIY jobs—these screws have you covered. 【Organized Storage Box 】- The M5 machine screw set comes in a durable, compartmentalized case with clear size labels—so you can spot the right screw instantly. Keeps your workspace tidy and speeds up project progress, making every job smoother.