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Hitachi Trigger Plunger 878-121 $2.14

Hitachi Nailer Parts

Product Details
Hitachi
Brand: Hitachi
Part Number: 878-121

Description: Replace if worn or missing. Requires o-ring in NR/NV83ATrig kit.

The trigger mechanism actuates the trigger valve inside the gun when you pull it, which fires the driver and drives the nail/staple. There are two types of triggers: “sequential” and “contact”. Contact triggers allow you to “bump fire” the gun: just hold the trigger down and fire multiple nails at a time. Sequential triggers require you to first press the nose to the medium before the gun will fire, so it allows you to fire only one nail at a time.



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