• Cheese Head Screw, Pfeiffer, DUO, Part# 400056 $2.87

    This Cheese Head Screw (Part #400056) is a hardware component for your Pfeiffer DUO vacuum pump . It is used to secure various parts of the pump together. A good quality screw ensures a tight, stable fit. This helps your pump run smoothly and safely. This screw is designed specifically for the Pfeiffer DUO 10 and DUO 10C pump models . If you are missing a screw or replacing a damaged one, this is the correct part.

  • 10 in stock

  • Key, Feather, 5x5x10, Pfeiffer, DUO, Part# 220004 $3.78

    This Feather Key (Part #220004) is a small but essential hardware component for your Pfeiffer DUO 125 vacuum pump. It measures 5 mm x 5 mm x 10 mm. The key fits into slots on a shaft and a rotating part. Its job is to connect them together. It transmits torque, or turning power, from one part to another. Without it, the rotating parts would slip. This key is designed specifically for the Pfeiffer DUO 125 pump model .

  • Key, Round ends, Pfeiffer, DUO, Part# 220005 $9.45

    This Round Ends Key (Part #220005) is a small but essential hardware component for your Pfeiffer DUO 125 vacuum pump. Unlike standard keys with square ends, this one has rounded ends . The key fits into slots on a shaft and a rotating part. Its job is to connect them together. It transmits torque, or turning power, from one part to another. Without it, the rotating parts would slip. This key is designed specifically for the Pfeiffer DUO 125 pump model .

  • Key, Steel, (60 mm Long), Pfeiffer, DUO, Part# 220006 $9.45

    This Steel Key (Part #220006) is a small but essential hardware component for your Pfeiffer DUO vacuum pump. It is 60 mm long and made from durable steel . The key fits into slots on a shaft and a rotating part. Its job is to connect them together. It transmits torque, or turning power, from one part to another. Without it, the rotating parts would slip. This key is designed specifically for the Pfeiffer DUO 255M (Index C) pump model .

  • Key, Steel, Special, Pfeiffer, DUO, Part# 220007 $13.72

    This Special Steel Key (Part #220007) is a custom-designed hardware component for your Pfeiffer DUO vacuum pump. Unlike standard keys, this one is made for a specific application within the DUO 255M pump . The key fits into slots on a shaft and a rotating part. Its job is to connect them together. It transmits torque, or turning power, from one part to another. Without it, the rotating parts would slip. This key is designed specifically for the Pfeiffer DUO 255M (Index C) pump model and is a critical component in the rotating assembly 

  • Socket Head Cap Screw, Pfeiffer, DUO, Part# 400057 $3.71

    This Socket Head Cap Screw (Part #400057) is a  hardware component for your Pfeiffer DUO vacuum pump . It is used to secure various parts of the pump together. A good quality screw ensures a tight, stable fit. This helps your pump run smoothly and safely. This screw is designed specifically for the Pfeiffer DUO 10 and DUO 10C pump models . If you are missing a screw or replacing a damaged one, this is the correct part.

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