This is Tamco/Toku part number 134203009 through bolt nut, stocked at Crowder Supply as TK-134203009. It carries the clamp load on its stud or bolt. On an impact tool, thread and face condition matter a nut that has been run down over damaged threads will not hold torque.

If you are working from a machine rather than a part number, start at the full diagram library, or send us the model and serial and we will match it. Machines themselves are on the Toku tool catalog. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.

• Part number: 134203009
• Manufacturer: Tamco/Toku
• Crowder SKU: TK-134203009