Heavy Duty Standard Head Gunsmithing Screws Rock Solid Fillister Design Precision Size 648 And 840 Threads Matched With A Top Shelf Wrench For No Hassle Firearm Tuning And Badass Custom Builds
✔️ 36 graded black oxide fasteners plus hex wrench included
This set delivers thirty six heavy duty fillister head screws paired with a dedicated hex wrench to handle daily gunsmithing tasks. You will typically mount them onto rifle receivers, accessory rails, sight bases, and other firearm components that need reliable retention under hard recoil.
✅ Grade twelve point nine hardened alloy steel frame✅ Pre applied blue thread locker prevents unwanted loosening
✅ Black oxide surface coating blocks rust and wear over time
✅ Available in number six four eight and number eight forty threads
✅ Six millimeter eight millimeter and ten millimeter lengths
✅ One precision turning tool fits all provided drive slots
💡 Why do builders rely on high tension fillister screw sets for rifle upgrades Swapping out weak factory fasteners with these handy retention screws keeps your gear locked down without any loose heads ruining a build. Here is why this combo works so well for your own tweaks: - Hardened grade twelve steel handles violent recoil without snapping under pressure - Factory blue chemical glue blocks vibrations from shaking mounts loose during rapid fire - Flat top head geometry spreads weight evenly across fragile aluminum rail sections - Sized hex drivers cut down bench frustration by gripping tight slots every single time
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