D pin
there are many kinds of pin in the industry, people standardizing some pin that we used frequetly, and then the engineer will use them as the standard fastener in the design, it will reduce the customize parts of the machinery, increase the manufactuing rate,
and for these pins, the professional factory will produce them by the special machine and tooling,
for the quantity is large, so we can cold heading or other high speed produce method to reduce the cost,
we produce hundreds of these pin, you will find the one you need here,
can be used for trailer ,agriculture machinery,Municipal machinery,