The HVINKDI Scope Mount Screw Set is a professional-grade hardware kit designed for precision optic installation and tactical rifle upgrades. It covers the most widely used thread sizes and lengths in North American scope mounting systems. Full Compatibility List Rifle Scopes: Vortex Crossfire II / Diamondback / Strike Eagle, Leupold VX-Freedom / VX-3i, Bushnell Banner / Trophy, Sig Sauer Whiskey series, and all standard 1"/30mm rifle scopes Mounting Systems: Warne scope rings, Burris PEPR mounts, cantilever scope bridges, quick-detach optic bases, offset mount plates and Picatinny rail bases M-LOK Accessories: bipods, vertical foregrips, tactical flashlight mounts, laser sight brackets, sling mounts and hand stops Rifle Platforms: Ruger 10/22 and most common .22 rimfire & centerfire rifles Product Specifications Total Quantity: 30 screws Thread Sizes: #6-48, #8-40 Length Options: 6mm, 8mm, 10mm Material: Hardened carbon steel Finish: Black oxide Drive Type: T10 Torx Threadlocker: Pre-applied blue, vibration-resistant Included Accessories: 1 × T10 Torx wrench Complete Screw Specifications Included: This kit provides the most commonly needed thread patterns and lengths for mounting optics, attaching rails, and securing receiver components. The set includes five pieces of each size for a total of 30 screws: · #6-48 Thread: 6mm length, 8mm length, 10mm length (5 screws each) · #8-40 Thread: 6mm length, 8mm length, 10mm length (5 screws each) Wide Compatibility Across Firearm Hardware: Designed to fit the most common firearm specifications, these screws are compatible with a broad range of applications including rifle receivers, scope rings, Picatinny rails, Weaver rails, red dot sight mounts, and general gunsmithing tasks. Whether you are installing a new scope base, replacing worn hardware, or building a custom rifle, this kit provides the essential fasteners needed to get the job done. As always, please verify the specific thread pitch and screw length required for your particular firearm and application before installation. Premium Construction & Pre-Applied Thread Locker: All screws are manufactured from hardened steel for exceptional durability, wear resistance, and corrosion protection. The Torx drive heads are engineered to provide improved torque transfer while significantly reducing the risk of cam-out or stripping compared to standard hex or Phillips head fasteners. For a secure and reliable mount that withstands heavy recoil and vibration, every screw comes with pre-applied blue thread locker (vibration-resistant compound) . This ensures your optics and accessories stay firmly locked in place even under demanding field conditions. A compatible Torx Allen wrench is included in the package for straightforward installation. We recommend a final installation torque of 15 inch-pounds. Warranty: Backed by a lifetime guarantee from QYT, this gunsmithing screw set is an essential addition to any workbench, range bag, or hunting gear collection. Whether you are a professional gunsmith, competitive shooter, or dedicated hunter, this kit provides the hardware flexibility and reliability needed to keep your firearms performing at their best.