Notched Harrow Disc D.660 mm Thickness 6 mm Square 42 mm

Notched disc harrow blade 11134166 for Nardi tillage machinery. Manufactured from heavy-duty 30 MnB 5 Boron steel featuring a large 660 mm diameter, heavy-duty 6 mm thickness, and a 42 mm square center hole.

Features and benefits

• 30 MnB 5 Boron steel construction: delivers high hardness, toughness, and long-lasting resistance against severe soil abrasion
• Heavy-duty 6 mm thickness with 87 mm concavity: provides robust structural strength to withstand heavy impacts while deeply penetrating compacted soil
• Notched edge profile: offers aggressive cutting action on crop residues and superior clod crushing performance
• 42 mm square center hole: provides a positive fit on the gang shaft, eliminating rotational slippage under heavy draft loads
• Precision fit for Nardi harrows: matches original equipment manufacturer standards for easy replacement on disc gangs

Technical data and specifications

Compatibility

Tips

Clean the 42 mm square shaft thoroughly before assembling the disc to guarantee smooth seating along the gang. Torque the main tie rod to manufacturer specifications to avoid stress concentration or cracking around the square cutout when working in tough field conditions.