
Screw & Bolt Assortment Sets
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From the brand Screw Kit Visit the Store Screw Kit Visit the Store Black Zinc Plated Screws Visit the Store Black Zinc Plated Screws BRASS INSERTS Visit the Store BRASS INSERTS Hex Bolts Visit the Store Hex Bolts RIVETING NUTS Visit the Store RIVETING NUTS Product description Hex Socket Head Cap Screws Assortment with Nuts and Washers Our Store Product Display M2-M5 Metric Screws Kit M5 Screws Kit M6 Screw Assortment M2 Metric Screws Kit M3 Screws Kit M4 Screws Kit Optimized Assortment – More Screws, Less Waste Unlike typical 1:1:1:1 kits, this set is redesigned based on actual user needs: ✔ 690 Screws (More of what you actually use) ✔ 570 Nuts & 570 Flat Washers ✔ No unnecessary lock washers Practical Size Distribution – Focus on M3 & M4 Improved size distribution with increased M3 and M4 quantities—the most commonly used sizes—while reducing rarely used M2 and M5 proportions. More practical for daily repairs, 3D printing, and assembly tasks. Black Zinc Plating – Clean & Corrosion Resistant Upgraded black zinc plated finish provides enhanced corrosion resistance compared to traditional black oxide. Smooth, dry surface keeps your hands clean during installation and use. Class 12.9 Strength for Demanding Applications Made from high-strength alloy steel, these screws meet Class 12.9 standards, delivering excellent tensile strength and durability. Ideal for demanding applications such as 3D printing assemblies, mechanical projects, and equipment repairs where reliable fastening is critical. Trusted by Millions, Backed by Reliable Support Kadrick fastener kits are widely used by customers across the U.S. and worldwide. We stand behind the quality of our products and are committed to providing reliable support. If you experience any issues during use, feel free to contact us—we’re always here to help.