651 silicon bronze UNS C65100 construction ensures high strength and corrosion resistance in marine and coastal environments
Integrated flange distributes load evenly and eliminates the need for a washer
Serrated bearing surface locks in place and resists vibration-backed loosening
Backed with a backing plate for added strength and stability
Suitable for both marine and non-marine applications requiring high reliability
Summarized by Shop
651 Silicon Bronze Serrated Hex Flange Nuts
Marine Grade | UNS C65100
Secure your build with confidence using our 651 Silicon Bronze Serrated Hex Flange Nuts—the premium fastening choice for high-strength, corrosion-resistant applications in marine and coastal environments. Precision-machined from UNS C65100 silicon bronze, these flange n
Material
651 silicon bronze UNS C65100
Thread Type
Unified National/Imperial
Nut Form
Flange
Bolt Form
Hex
Available Sizes
1/4-20 (0.571 in, 0.227 in), 3/8-16 (0.725 in, 0.340 in), 1/2-13 (1.022 in, 0.455 in)
Summarized by Shop
5.0
6 ratings
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Fairwind Fasteners is great!
Everything shipped promptly and arrived exactly as advertised. Thanks!!
J
James · 9 days ago
Highest Quality Fasteners and Service that I have found
Quality and Inventory has always been first class at Fair Wind Fasteners. They are the only place I source my bronze fasteners - havent had a reason to look anyplace else for the last nine years.
S
Steven · April 18, 2026
Bolts for battery cable splices
Excellent quality, quick delivery for an item not easy to find locally!