Heavy Duty Stainless Steel Countersunk Washer Assortment Kit Featuring 280 Pieces Across Seven Top Shelf Hardware Sizes Crafted In Slick Metal Construction Stored In A Snazzy Divided Case For Smooth Weekend Fixes And Effortless Building Tasks

Heavy Duty 304 Countersunk Washer Set With 280 Pieces
✔️ Seven standard sizes organized in a transparent storage bin

You get a solid 280 piece fastening kit that tackles common hardware jobs without fuss. The domed centers drop straight over machine bolts to keep plates and panels flush. You can run these through home workshops, automotive shops, or boat docks without worrying about stripped edges. The snap open bin slides right onto your workbench for grab and go access.

✅ 304 grade stainless steel resists rust and oxidation outdoors
✅ Each washer features a tight countersunk angle for flush mounting
✅ Smooth machined edges slip past material without causing scratches
✅ Clear compartment tray organizes sizes from #4 up to #16

💡 What makes cup style countersunk washers handy for structural bolt installations?
The tapered design keeps fasteners seated flat while handling heavy vibration loads.
- Tapered inner walls lock snugly against hex bolts and machine screws
- Wide outer flanges spread stress away from fragile substrates and drywall
- Marine grade alloys block salt spray and chemical cleaners effectively

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