Solid 651 silicon bronze alloy construction ensures long-lasting durability
Corrosion-resistant material ideal for marine and outdoor use
Flat washer design distributes load evenly to prevent bolt or nut damage
Available in multiple sizes to fit various fastening needs
Suitable for both electrical and general industrial applications
Summarized by Shop
Our flat washers are made of a solid 651 Silicon Bronze alloy and are perfect for use on your bronze bolts. SIZEInner DiameterOuter DiameterThickness
#6
0.152" (3.83mm)
0.375" (9.6mm)
0.035" (0.9mm)
#8
0.170" (4.3mm)
0.375" (9.6mm)
0.035" (0.9mm)
#10
0.200" (5.1mm)
0.427" (10.9mm)
0.035" (0.9mm)
#12
0.225" (5.8mm)
0.500" (1
Material
651 silicon bronze alloy
Washer Form
Flat
Pattern
Solid
Available Sizes
#10 (outer diameter 5.1 mm, thickness 0.427 mm), #8 (outer diameter 4.3 mm, thickness 0.375 mm), #12 (outer diameter 5.8 mm, thickness 0.500 mm), #14 (outer diameter 6.4 mm, thickness 0.559 mm), #16 (outer diameter 7.9 mm, thickness 0.750 mm)
Summarized by Shop
4.9
121 ratings
5
4
3
2
1
Great product. Fast delivery. Thanks.
C
Charles · 5 days ago
Pleasure to do business with
No problem, even returned my money when I ordered the wrong item
C
Charles · August 18, 2026
Great products, reasonable prices, fabulous service, fast shipping