2070C Dunbier Spring Shackle Bolt, Nut /Washer | Marine Trailer Part

🔧 Product Description

Dunbier Galvanised Slipper-Spring Shackle Bolt, Nut and Washer – Part Number: 2070C

A display-packaged galvanised mounting bolt set for the front eye of Dunbier 45mm slipper springs. The bolt passes through the hanger and nylon bushes and is retained by the supplied nut and washer.

⚙️ Key Features

• Galvanised spring-eye mounting bolt
• Includes nut and washer
• Suits 45mm Dunbier slipper springs
• Display-packaged service hardware
• Matched to Dunbier nylon shackle bushes

📏 Specifications

• Application: Standard 45mm slipper-spring front eye
• Package includes bolt, nut and washer
• Exact bolt diameter and grip length must match the hanger and bush

🔄 Cross Reference & Related Parts

• Dunbier: 2070C
• Spring bushes: Dunbier 2060C and 2060D
• Front hangers: Dunbier 2030 and 2040 families

🚤 Trailer Compatibility & Application

• Suits Dunbier standard slipper-spring suspension
• Not automatically suitable for 60mm off-road springs using 16mm bolts
• Bolt grip must support the bush without threading through the bearing area where avoidable

🔌 Function

Forms the pivot through the spring-eye bushes and secures the spring to the front hanger.

⚠️ Common Signs of Failure

• Bolt is bent, grooved or heavily corroded
• Thread is damaged
• Washer or nut no longer retains torque
• Bushes have worn through to the bolt
• Spring-eye movement is excessive

🛠️ Installation & Safety

• Replace the nylon bushes with the bolt where worn
• Support the spring during removal
• Install the washer and locking nut in the correct order
• Tighten so the bush is retained without preventing articulation
• Inspect after initial loaded use

📦 Condition

• Brand new Dunbier Marine Products trailer component
• Supplied as one spring shackle bolt with nut and washer
• Supplied in original or equivalent packaging