# H3808G Mackay 8908 Dunbier M10 x 75 Galvanised Bolt & Nut | Marine Trailer Part

## 🔧 Product Description

**Mackay M10 × 75mm Galvanised Steel Hex Bolt – Part Number: H3808G**

A galvanised steel M10 × 75mm hex bolt for Mackay trailer brackets and assemblies where the dimensions and grade match.

## ⚙️ Key Features

-   M10 diameter
-   75mm length
-   Hex Bolt
-   Galvanised Steel
-   Use specified joint grade
-   Nut included

## 📏 Specifications

-   Thread: M10
-   Length: 75mm
-   Type: Hex Bolt
-   Material: Galvanised Steel
-   Strength: Use specified joint grade

## 🔄 Cross Reference & Related Parts

-   Mackay: H3808G
-   Dunbier: 8908

## 🚤 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 M10 × 75mm hex bolt with nut
-   Supplied in original or equivalent packaging

## Details

- **Price:** 2.0 AUD
- **Vendor:** Mackay
- **Type:** Trailer Parts
- **Tags:** Mackay Boat Trailers | Marine Trailer Parts & Accessories

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2.00 AUD | In stock |

## Images

- H3808G Mackay 8908 Dunbier M10 x 75 Galvanised Bolt & Nut | Marine Trailer Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/h3808g-mackay-m10-x-75-galvanized-bolt-nut-1-dunbier-8908)
> Updated: 2026-09-06