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Spur grommets are not as strong as sewn rings, but they are much more quickly installed. Do not confuse these grommets with the common washer grommets that are sold in hardware stores everywhere. Spur grommets are of heavier metal with spurs all around the inside rim of the washer that lock into a rolled edge on the barrel part of the grommet. As a result, they will not easily pull out of the fabric.
Note: Spur grommets cannot be installed with common washer grommet tools. Use a #3 die with a #3 spur grommet.
|Hardware Material:||Brass, Metal|
|Hole Diameter (before installation):||0.438 inch|
|Hole Diameter (after installation):||0.463 inch|
|Outer Diameter:||0.938 inch|
|Min. Material Thickness:||0.058 inch|
|Max. Material Thickness:||0.216 inch|
|Min. Layers Sunbrella Marine Grade Fabric:||3 Layers|
|Max. Layers Sunbrella Marine Grade Fabric:||9 Layers|