Slotted Flat Head Silicon Bronze Machine Screws 5/16-18 X 4 Inch Pack Of 25, Corrosion Resistant Alloy 651 For Marine, Plumbing, Electrical Projects, Flush Countersunk Head, High Heat Tolerance, Durable Fasteners

Silicon Bronze Slotted Flat Head Screws 5/16-18 x 4 in
✔️ Pack of 25, corrosion-resistant Alloy 651 silicon bronze screws (5/16 in dia, 4 in long = 7.94 x 101.6 mm)

These slotted flat head screws are made from Alloy 651 silicon bronze, delivering excellent corrosion resistance in marine, plumbing, electrical projects, and other demanding environments. The flush countersunk head sits flush with the surface for a clean finish.

✅ 5/16-18 thread size and 4 in length (7.94 mm dia, 101.6 mm long)
✅ Slotted flat head design for easy driving and flush seating
✅ Alloy 651 silicon bronze for corrosion resistance in saltwater and chemicals
✅ Pack of 25, ideal for marine, plumbing, electrical installations

💡 What is a handy use for these silicon bronze machine screws in challenging environments?

Used where corrosion resistance and a clean flush finish matter.

- handy for marine hardware and outdoor electrical panels

- suitable for plumbing fixtures and corrosion-prone environments

- flush countersunk mounting to avoid snagging and improve aesthetics