This is a genuine OEM replacement part designed for use with a variety of power tools. It is made out of metal and it is sold individually. It is a standard hardware which has multiple applications based on your tool.

You would need a wrench to tighten/loosen this nut.

This is an Genuine OEM replacement part that is used on a variety of equipment. This part is sold individually. The main function of a ball bearing is to reduce friction and facilitate smooth rotation of an axis. This part is included with Gearcase Assembly Part Number: 605082-00SV.

This is a genuine OEM replacement part, it is sold individually.
This Key is needed to operate all of the models listed below.
It is inserted into the switch to make it possible for the machine to turn on.
It can be removed for the purpose of unauthorized use of the machine.

Genuine Delta replacement part, this item is sold individually.
The purpose of the is nut is to secure the blade of the Table Saw to the Saw Arbor.
It is a left hand ACME thread.
It is used on all of the right tilting Table Saws listed below.

This is a genuine manufacturer sourced replacement outer flange used on Delta saws. This part helps to secure the blade to the spindle/shaft. It is made out of metal and it is sold individually. To replace it you will need a wrench to remove the blade nut.

This Rocker switch has 4 terminals and a compact design for easy installation. This authentic Delta replacement part is sold individually.

Switches are commonly replaced parts in power tools, handling all on/off and variable speed operations. They also have a role in electric breaking; they can momentarily reverse electrical polarity. Because switches use mechanical internals, they will degrade and wear out over time, eventually requiring replacement. Some common signs of a broken or failing switch are: