H3836G Mackay 20mm Galvanised Nyloc Nut | Marine Trailer Part
H3836G Mackay 20mm Galvanised Nyloc Nut | Marine Trailer Part
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✓ Authorised Volvo Penta Dealer · Marine & auto specialists · Ships Australia-wide
🔧 Product Description
Mackay M20 Nylon-Insert Lock Nut – Part Number: H3836G
A nylon-insert M20 lock nut for Mackay trailer joints requiring vibration resistance.
⚙️ Key Features
- M20 thread
- Nylon insert
- Prevailing-torque locking
- Service hardware
- Suitable for non-rotating joints
📏 Specifications
- Thread: M20
- Type: nyloc nut
- Finish: as supplied
- Pitch must match
🔄 Cross Reference & Related Parts
- Mackay: H3836G
🚤 Trailer Compatibility & Application
- Use on matching bolt
- Critical joints require correct grade
- Replace weakened insert
🔌 Function
Secures a bolt while resisting vibration-related rotation.
⚠️ Common Signs of Failure
- Insert no longer grips
- Stripped thread
- Rounded flats
- Corrosion
- Heat damage
🛠️ Installation & Safety
- Match thread
- Replace after repeated critical reuse
- Torque correctly
- Ensure full engagement
- Do not overheat
📦 Condition
- Genuine Mackay Trailers part
- Brand new
- Supplied as one M20 nyloc nut
- 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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