- High-Quality Material : Our knife handle screws, rivets, and bolts are crafted from durable DIN 912 alloy steel, featuring a hardness rating of HRC 39-44. This ensures exceptional strength and long-lasting performance, resisting wear and deformation even in challenging conditions. - Precise Dimensions : - Intermediate connecting rod diameter: 5 mm - Length: 12 mm - Screw adjustable length: 17.2-22 mm - Nut diameter: 7.8 mm - Hex size: 2 mm - Comprehensive Set : Each package includes 10 screws shafts and 20 flat screws, providing essential components for your knife-making projects. Ideal for both professional craftsmen and DIY enthusiasts, ensuring you have enough parts for all your needs. - User-Friendly Installation : Our screws are easy to work with. Simply drill a hole where needed, adjust the screw tightness with a screwdriver, and create a secure handle pin if required. This simplicity enhances project efficiency, making assembly straightforward and quick. - Versatile Applications : Perfect for enhancing knife handles, securing grips, or making custom tools. Whether you are repairing, customizing, or constructing, our screws and bolts are designed to meet various project requirements, ensuring reliable results. Choose our knife handle screw set for unmatched durability and performance in all your crafting and repairing endeavors.