416PCS M4 Screw Assortment Kit Hex Socket Head Cap Bolts Nuts Washers 12.9 Alloy
Featuring high-grade 12.9 alloy steel and a complete range of nuts and washers, this kit provides industrial-strength holding power and professional precision for all your DIY projects. Includes 6 popular M4 screw lengths (8mm–30mm), plus a comprehensive selection of nuts, lock washers, flat washers, and a dedicated hex wrench.