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Graco 100111 Nut

The Graco 100111 Nut is a durable steel fastener designed for secure assembly in ThermoLazer™ and ProMelt™ systems. It ensures tight, vibration-resistant connections for consistent performance.

  • Part No: 100111
  • Thread Size: 1/2"-20 UNF
  • Material: Corrosion-resistant steel
  • Used In: ThermoLazer™ / ProMelt™ pavement marking units

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Compatible Machines for Graco 100111 Nut

  • ThermoLazer™ ProMelt™ — Model 24H624
  • ThermoLazer™ ProMelt™ — Model 24H626
  • ThermoLazer™ — Model 24H622
  • ThermoLazer™ — Model 24H625
  • ThermoLazer™ Pavement Marking System — Model 258699 (NA kit incl. 257500 & 4" SmartDie)
  • ThermoLazer™ Pavement Marking System — Model 257500 (International)

Product Summary

The Graco 100111 Nut is a small but critical fastener used across ThermoLazer™ and ThermoLazer™ ProMelt™ pavement marking systems. It helps secure kettle, frame, and accessory assemblies to maintain reliable operation under vibration.

Core Specifications

Part Number 100111
Category Nut / Lock-nut fastener for Graco equipment
Typical Thread 1/2"-20 UNF (commonly listed; always verify with your model’s parts manual)
Typical Use Secures brackets, shields, and kettle/frame hardware on ThermoLazer™/ProMelt™ units

Fitment Notes

  • Match the thread size and location reference in your unit’s parts diagram (look for “100111 NUT” callouts).
  • Replace in pairs or sets where specified to keep clamping force even.
  • Keep threads clean; avoid over-torque to protect mating hardware.

Frequently Asked Questions

It’s used in several assemblies (kettle/frame, guards, brackets). The exact location varies by model—refer to your parts schematic where it’s listed as “100111 NUT” with a quantity callout.

Most listings specify 1/2"-20 UNF, but always verify against your model’s manual and mating bolt/stud before ordering.

This part is confirmed in ThermoLazer™/ProMelt™ manuals. Some distributors list broader use, but you should confirm by part number in the specific sprayer’s parts list.

Open your model’s Parts Manual and search for 100111. If it appears with a quantity, it’s used on your machine. Cross-check the assembly diagram for location.

Use clean threads, apply the correct washer if specified, and tighten to snug—do not over-torque. Recheck after the first few hours of operation.

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