The common rule was that Square was used where the fastening was not required near the vertical member, or with tension, and then hexagonal were used so as to get closer to the vertical member.

Square Nuts In Nagaland

Square Nuts Manufacturers In Dimapur

Square Nuts Suppliers In Kohima

Square Nuts Exporters In Soma

Nagaland - Square Nuts.

Dimapur, Kohima, Soma