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Graco 101344 Hex Hd Screw Cap

The Graco 101344 Hex HD Screw Cap is a durable OEM fastener used across multiple GM-Series sprayers for structural assembly and secure fit.

  • Part Number: 101344
  • Size: 5/16-18 UNC × 7/8″
  • Compatible Machines: GM3000, GM5000, GM7000
  • Use: Drive and pressure-control housing assemblies

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Compatible Machines

  • Graco GM3000 — models 231-363 Upright and 231-550 Lo-Boy.
  • Graco GM5000.
  • Graco GM7000.

Listed in Graco parts manuals as 101344 “Cap Screw, Hex HD”. Always confirm against your machine’s parts list.

Part Specifications

Attribute Detail
Graco Part # 101344
Name Hex HD Screw Cap (Cap-Screw, Hex Head)
Thread / Size 5/16-18 UNC-2A
Length 7/8 in (≈ 0.875")
Typical Use General fastener within drive / pressure-control and housing assemblies on compatible Graco sprayers.

Highlights

  • OEM fastener for consistent fit and durability.
  • Standard 5/16-18 coarse thread for common Graco assemblies.
  • Used across multiple GM-Series sprayers for structural fastening.

Installation Notes

  • Match thread and length exactly: 5/16-18 × 7/8".
  • Inspect mating threads; clean and chase if necessary to avoid cross-threading.
  • Tighten evenly and follow the machine service manual for torque guidance.

Frequently Asked Questions

Dimensionally it matches a 5/16-18 × 7/8″ hex cap screw. For safety and reliability on sprayers, we recommend the OEM part to ensure material grade and fit match the manual’s specification.

Check your sprayer’s parts manual for “Cap-Screw, Hex HD 5/16-18 × 7/8” or the exact part number 101344. If your manual shows this line item, it is compatible.

Torque varies by assembly location. Always follow the torque values listed in your specific Graco service manual for the assembly you are working on.

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