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Graco 112559 Hex Hd Mach Washer Screw

The Graco 112559 Hex Hd Mach Washer Screw is a genuine Graco fastener designed for secure assembly in pumps, manifold covers, and other components.

  • Genuine Graco replacement part
  • Hex head with washer for reliable fastening
  • Size: M8 × 1.25 × 40 mm, Stainless Steel
  • Used in manifold covers, pump assemblies, and structural components
  • Verify your machine's parts diagram for exact fitment

$12.43
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Graco 112559 Hex Head Mach Washer Screw – Overview & Fitment

The Graco 112559 Hex Hd Mach Washer Screw is a genuine Graco fastener designed to securely mount components in pumps, manifold covers, and other assemblies. Its hex washer head ensures stable and reliable fastening in demanding fluid-handling applications.

Compatible Machines

  • Graco pumps and proportioners where the parts diagram lists 112559 – Hex Hd Mach Washer Screw
  • Manifold cover assemblies in select Graco fluid-handling equipment
  • Other structural and mechanical assemblies requiring M8×1.25×40 mm stainless steel screws

Always verify your machine’s parts diagram or service manual to ensure correct fitment before ordering.

Key Specifications

Part Number 112559
Description Hex Hd Mach Washer Screw
Size M8 × 1.25 × 40 mm
Material Stainless Steel (SST)
Typical Usage Manifold covers, pump assemblies, structural components

Installation & Usage Notes

  • Verify your machine model and parts list include 112559 before installation
  • Inspect threads and mounting surfaces prior to replacing screws
  • Follow torque specifications provided in the service manual
  • Replace any damaged or worn screws to maintain secure assembly

Frequently Asked Questions

Part 112559 is used in Graco pumps, manifold cover assemblies, and other equipment where the parts diagram lists “Hex Hd Mach Washer Screw – 112559”. Always check the service manual for exact fitment.

Replacement is safe only if your machine’s parts diagram or service manual lists part 112559. Verify size, thread, and head type before replacing existing screws.

  1. Locate your machine’s model and serial number.
  2. Check the parts diagram or service manual for part 112559.
  3. Confirm size (M8×1.25×40 mm), head type, and material match your current screw.
  4. Consult a Graco authorized distributor if unsure.

Disclaimer: Compatibility should be verified with your machine’s exact model and service documentation before ordering.

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