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
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.