Piston Bumper

Piston BumperThis replacement piston bumper is designed for use on Hitachi nailers. It is a genuine manufacturer sourced part. The purpose of this piston bumper is to keep the piston from hitting the bottom of the cylinder. If the bumper is cracked or missing pieces you can seriously damage the cylinder. Because this part get so much abuse it has a tendency to crack and fall apart. If you see and parts of this bumper falling from your nail gun, it is definitely

Grinding discs increase the temperature enough to permanently discolor the steel

12V max CXT Li-Ion Cordless 23 GA 35 mm (1-3/8″) Pin Nailer

Stainless steel miter detent plate with 10 positive stops

Oil-lubricated pump for long-lasting life

The motor-pump delivers a whopping 6

and proprietary Milwaukee® 2-Mode DRIVE CONTROL™ for better control over the power and speed required for specific applications

High performance Carbide for greater durability and 50x cutting performance in medium metal applications

high-carbon steel for strength and durability

and other applications

of fastening torque for faster driving speeds

Illuminate dark work areas with LEDs at the nose of the tool

As part of our most powerful line of 20V MAX* Angle Grinders**