Graco 115506 Hexagonal Head Screw

The Graco 115506 Hexagonal Head Screw is a genuine OEM‑fastener that ensures reliable, vibration‑resistant assembly for your sprayer or pump.

HEX‑head screw for secure tightening
Used in Graco airless sprayers (e.g. 295ST / 395/455/495ST Pro / STX series)
Ensures parts stay firmly attached even under high pressure or repeated use

$6.3

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Description

Compatible Machines for Graco 115506 Hexagonal Head Screw

The Graco 115506 Hexagonal Head Screw is a factory‑specified fastener used in various Graco airless paint sprayers and pump assemblies to securely hold components under pressure, vibration, and repeated use.

Graco 295ST, 395/455/495ST Pro, and STX series airless sprayers referencing part #115506
Sprayer and pump modules where 115506 is listed in official parts diagrams (e.g. handles, housings, covers)
Any Graco assembly requiring hex‑head screw fastening for stability and durability under working load

Frequently Asked Questions

It provides strong, secure fastening for internal parts of sprayers/pumps — preventing loosening under pressure, vibration or repeated use. :contentReference[oaicite:4]{index=4}

Yes — 115506 is listed among genuine Graco hex‑head screws used as replacement/repair part for their airless sprayers and pumps. :contentReference[oaicite:5]{index=5}