16" 13 Wave Coulter Blade. This blade is commonly used on our strip-till row units.
 
Key Features:
Fits Dawn 3-bolt hubs
 
Specifications:
Diameter - 16 in
Bolt Circle Diameter - 5 in
Bolt Hole Diameter - .52 in 
Pilot Hole Diameter - 2.81 in
Thickness - .177 in
Width - 5/8 in 
Pattern - 3 Bolt
# of Waves - 13