Graco 114531 Hexagonal Head Washer Machined Screw

Graco 114531 Hex‑Head Washer Machine Screw – Part Overview

The Graco 114531 Hexagonal‑Head Washer Machine Screw is a precision‑machined fastener used in Graco equipment to securely clamp components with a broad contact surface.

Compatible Machines / Systems

• Graco Double‑Wall Hopper (Model 3A6110A) — 114531 appears in parts diagram. :contentReference[oaicite:4]{index=4}
• Graco 17C301 high‑pressure pump / sprayer system — uses 114531 in its parts list. :contentReference[oaicite:5]{index=5}
• Other Graco machines where the parts manual specifies “SCREW, mach, hex washer hd – part # 114531.” :contentReference[oaicite:6]{index=6}

Key Specifications

• Part Number: 114531
• Type: Machine screw, hexagonal head with washer face
• Purpose: Provides strong, stable fastening in assemblies subject to vibration or load

Why This Part Matters

• The **hex head** allows for good torque application without stripping.
• The **washer head design** helps distribute clamping force, reducing stress on housing or mounting surfaces.
• Using the **correct OEM screw** ensures the structural integrity and reliability of Graco assemblies during maintenance or rebuilds.

Installation Tips

• Make sure the mating surface is clean and flat before installing the screw.
• Use the correct socket or wrench for the hex head to avoid rounding it off.
• Tighten to the torque specification given in your machine’s service manual to prevent over‑stress or under‑clamp.
• Re‑check torque after the machine has run under load (vibration can settle parts slightly).

Frequently Asked Questions