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Graco 15B717 Special Bolt 5/16-24

The Graco 15B717 Special Bolt 5/16-24 is a durable OEM replacement designed for secure assembly in high-pressure sprayer systems. Key features include:

  • 5/16-24 UNF precision threading
  • High-strength stainless steel construction
  • Compatible with Ultra Max II 695, Pro X19, Mark V Series 16Y385, Contractor 395, and Magnum X5 sprayers
  • OEM-grade quality for leak-free performance

List Price: $89.5
You save: $7.43 (8.30%)
Sale Price: $82.07
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Compatible Machines & Applications

Compatible Machines
  • Graco Ultra Max II 695 Airless Sprayer
  • Graco Pro X19 Airless Sprayer
  • Graco Mark V Series (e.g., 16Y385) Piston Pump
  • Graco Contractor 395 Airless Sprayer
  • Graco Magnum X5 (e.g., 257025) Airless Sprayer

Graco 15B717 Special Bolt 5/16‑24 – Overview

The Graco 15B717 Special Bolt is a precision fastener designed for high‑pressure fluid systems, featuring a 5/16‑24 UNF thread. Built to OEM standards, this bolt ensures secure, leak‑resistant assemblies in Graco spray equipment.

Technical Specifications

Specification Value / Detail
Part Number 15B717
Thread Size / Type 5/16‑24 UNF
Material Stainless steel (high-strength) (according to typical OEM bolt construction) 
Weight Approx. 0.1337 lb (as listed by a parts supplier)
Dimensions (Packaging)** ~2.0 in × 2.0 in × 0.5 in (per parts‑seller packaging)
Finish / Coating Standard stainless (passivated) — no special plating listed
OEM Compliance Built to Graco OEM replacement part standards

Key Features

  • Precision 5/16‑24 threading ensures tight, leak‑resistant connections
  • High-strength stainless steel for durability and chemical resistance
  • OEM-grade quality — designed for seamless integration with Graco fluid systems
  • Reliable performance even under high pressure and cyclic loading

Frequently Asked Questions

Publicly available listings describe the 15B717 as made from “high‑strength stainless steel.” However, Graco does not publicly detail the exact alloy or grade in its parts‑listing pages.

While a generic 5/16‑24 bolt might fit thread-wise, it may not meet Graco’s material strength or quality standards. Using a non‑OEM bolt can risk component failure or leakage, especially in high-pressure fluid systems. For best reliability, use the Graco 15B717.

Check your machine’s parts diagram or manual, and use Graco’s parts-search tool with your model/serial number. Confirm that 15B717 appears in its exploded view or bolt list. Always torque to the specified settings for your machine.

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