H3816G Mackay M12 x 80mm Bolt Galvanised | Marine Trailer Part
H3816G Mackay M12 x 80mm Bolt Galvanised | Marine Trailer Part
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✓ Authorised Volvo Penta Dealer · Marine & auto specialists · Ships Australia-wide
🔧 Product Description
Mackay M12 × 80mm Galvanised Steel Hex Bolt – Part Number: H3816G
A galvanised steel M12 × 80mm hex bolt for Mackay trailer brackets and assemblies where the dimensions and grade match.
⚙️ Key Features
- M12 diameter
- 80mm length
- Hex Bolt
- Galvanised Steel
- Use specified joint grade
- Nut/washer separate unless stated
📏 Specifications
- Thread: M12
- Length: 80mm
- Type: Hex Bolt
- Material: Galvanised Steel
- Strength: Use specified joint grade
🔄 Cross Reference & Related Parts
- Mackay: H3816G
🚤 Trailer Compatibility & Application
- Use in specified Mackay joint
- Grip/head style must match
- Critical joints require correct grade
🔌 Function
Provides locating and clamping force in the trailer assembly.
⚠️ Common Signs of Failure
- Stripped thread
- Bent shank
- Rounded head
- Corrosion
- Elongated holes
- Loosening
🛠️ Installation & Safety
- Match size/grade
- Use correct nut/washers
- Do not downgrade
- Torque correctly
- Protect dissimilar metals
- Replace yielded hardware
📦 Condition
- Genuine Mackay Trailers part
- Brand new
- Supplied as one M12 × 80mm hex bolt
- Supplied in original or equivalent packaging
Shipping & Delivery
Shipping & Delivery
Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.
Returns & Warranty
Returns & Warranty
14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.
Not sure this fits?
Not sure this fits?
Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.
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