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Graco 20B730 Cap Screw 3/8 x 4.0 SST

Graco 20B730 Cap Screw (3/8″ × 4.0″) OEM fastener used in structural assembly and pump mounting on airless sprayers.

  • Brand: Graco
  • Type: Cap Screw
  • Application: Fastening components in sprayer frames and pump housings
  • Fit / Ports: Standard 3/8″ threading for OEM replacements
  • Materials: Stainless steel or plated steel for corrosion resistance

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Compatible Machines / Systems

  • Graco Ultra 695 XT and 795 XT Hi‑Boy Series Sprayers
  • Graco Mark IV & ProContractor Models
  • Other Graco systems where 20B730 cap screws are specified
Manufacturer Graco
Model Number 20B730
Type Cap Screw (Fastener)
Center Section Material Metal (Stainless / Alloy)
Port Size 3/8″ Thread
Air Inlet n/a
Wetted Material n/a (fastener)
Compatible Media n/a

Frequently Asked Questions

The 20B730 screw is a standard OEM fastener that secures parts like pump housings, frames, and covers on airless sprayers.

Yes — it is an original replacement screw specified by Graco for the listed machines.

Always refer to your model’s service manual to ensure proper torque when installing structural screws.

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