R2201N Mackay M10 x 30 x 2.5 Flat Washer | Marine Trailer Part

🔧 Product Description

Mackay Flat Washer M10 × 30 × 2.5mm – Part Number: R2201N

A heavy flat washer sized for M10 trailer mounting bolts, with approximately 30mm outside diameter and 2.5mm thickness.

⚙️ Key Features

• M10 clearance hole
• 30mm outside diameter
• 2.5mm thickness
• Broad load-spreading face
• Trailer mounting hardware

📏 Specifications

• Nominal size: M10 × 30 × 2.5mm
• Material/finish: Confirm current Mackay package

🔄 Cross Reference & Related Parts

• Mackay: R2201N
• Generic replacement must match inside diameter, outside diameter, thickness and hardness

🚤 Trailer Compatibility & Application

• Suitable for M10 trailer brackets, clamps and rail mounts requiring a broad washer

🔌 Function

• Spreads bolt clamping load and protects the component surface.

⚠️ Common Signs of Failure

• Washer is dished
• Hole is elongated
• Corrosion reduces thickness
• Washer is cracked
• Joint embeds into the mounting surface

🛠️ Installation & Safety

• Install flat
• Use with the correct M10 fastener
• Replace distorted washers
• Torque the joint correctly
• Recheck after initial use

📦 Condition

• Brand new Mackay trailer component
• Supplied as one flat washer
• Supplied in original or equivalent packaging