Silicon Bronze Slotted Flat Head Machine Screws 1/4-20 X 3-1/2 Inches 100 Pack Great For Marine Plumbing And Electrical Projects Alloy 651 Delivers Tough Corrosion Resistance In Harsh High Heat Environments
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These silicon bronze slotted flat head machine screws come in a 100-pack and are ideal for marine, plumbing, and electrical work. Made from alloy 651, they resist corrosion in harsh, high-heat environments and sit flush thanks to the countersunk head. Size: 1/4-20 UNC, length 3.5 in (88.9 mm).
✅ 1/4-20 UNC thread size
✅ 3.5 in length (88.9 mm)
✅ Alloy 651 silicon bronze for corrosion resistance in marine and high heat environments
✅ Slotted flat-head countersunk design for flush mounting
✅ 100-pack screws for bulk projects
💡 What is a common use for this type of fastener in outdoor or damp environments? This handy fastener is used in marine, plumbing, and electrical installations where corrosion resistance and flush mounting matter. - Handy for marine hardware mounting and exterior electrical enclosures.
- Useful in plumbing fixtures near water or in damp locations.
- Works well in high heat areas where plain steel screws would corrode.