Heavy Duty 304 Stainless Steel M4 Fastener Kit Providing Countersunk Socket Cap Screws Matching Hex Nuts Lock Washers And Flat Bolts For Rough Garage And Outdoor Jobs Demanding Dead Reliable Corrosion Resistant Hardware That Works Worry Free

360 M4 Fastener Set With Nuts And Flat Washers
✔️ Grade 304 hex socket caps paired with locking and flat nuts

You get a ready to go assortment of threaded fasteners designed for tough jobs around your home or workshop. The clear storage box keeps every piece separated so you grab the right size fast. You can rely on this kit for securing outdoor signs, repairing garden equipment, or finishing indoor appliance upgrades.

✅ 304 stainless alloy stands firm in damp air and road salt
✅ Internal six point drive grips hard on manual hex wrenches
✅ Tapered heads lay flat against boards and metal plates
✅ Full packing holds bolts plus pairing nuts and split rings

💡 What makes stainless countersunk fasteners handy for heavy duty DIY rigs?
These hardened threaded rods hold tight under load and handle rough backyard setups.
- The tight threading angle locks deep into wood and soft metals without slipping
- Passivated surfaces shield the core from pitting during long term outdoor exposure
- Low profile tops slide under covers without catching on wheels or belts
- Straight slot interiors take steady pressure from common driver bits