Boat Trailer Roller Bracket Spindle Shaft for 6″ Roller | Zinc Finish 16mm (SKU: SPIND150Z)
$5.06
Zinc-coated 16mm spindle shaft for 6″ keel rollers. Lightweight and durable—ideal for small to medium trailers in both fresh and light saltwater use.
In stock
The SPIND150Z spindle shaft is a lightweight and rust-resistant solution for 6″ (150mm) keel rollers, built with a 16mm diameter and a protective zinc-coated finish. Whether you’re upgrading a light boat trailer or building a new one, this shaft provides a balanced blend of ease-of-use and reliable function.
Its manageable size and weight (approx. 200g) make it a great fit for smaller trailers towing tinnies, jet skis, or lightweight watercraft. The smooth zinc surface offers corrosion protection and reduced friction at the roller contact points.
    Ideal For:
    – 6″ roller replacement or upgrades
    – Small to mid-size boat trailers
    – Brackets designed for 16mm shaft diameter
    – Low to moderate marine exposure
  
    Product Features:
    – 16mm shaft diameter
    – Suits 150mm (6″) rollers
    – Zinc finish = corrosion-resistant + easy to clean
    – Lightweight for simple handling and install
  
Swipe below for full specifications →
| Product Code | Diameter | Suits Roller Size | Finish | Weight | 
|---|---|---|---|---|
| SPIND150Z | 16mm | 150mm (6″) Roller | Zinc | Approx. 200g | 
Related
Frequently Asked Questions
- 
      Q: Can this shaft handle a 6″ roller?
 A: Yes, it’s designed specifically for 150mm (6″) keel rollers with 16mm bores.
- 
      Q: What’s the benefit of zinc finish?
 A: Zinc protects against rust while keeping the shaft lightweight and smooth.
- 
      Q: Can it be used in saltwater?
 A: Yes, occasional saltwater use is fine with regular rinsing.
- 
      Q: Is this okay for DIY trailer builds?
 A: Absolutely! It’s easy to install and a great fit for most DIY brackets.
| Weight | 0.5 kg | 
|---|---|
| Dimensions | 15 × 5 × 5 cm | 
| Location | A-5-9 | 
| Product Type | |
| Featured Refinements | |
| Manufacturer Part Number | |
| Brand | 
Is SPIND150Z Right for You?
✔️ Yes, if you:
- Use 6″ rollers and brackets with 16mm holes
- Want a lightweight, rust-resistant solution
- Are towing small to medium watercraft
❌ Probably not if:
- You’re using heavy boats or 8″+ rollers
- Your system requires 19mm or larger shafts
Installation Guide
- Slide shaft into the 6″ roller bore
- Fit ends into your trailer’s bracket holes
- Secure with R-clips, cotter pins, or bolts
- Spin to check smooth rotation before trailering
Compare Our Spindle Shaft Range
  Tap to expand the comparison chart. Swipe right to view all columns on mobile →
📊 Click to view full spindle comparison table
| Product | Roller Size | Diameter | Finish | Material | Weight | Use Case | Link | 
|---|---|---|---|---|---|---|---|
| SPIND114Z | 4.5″ | 16mm | Zinc | Steel | — | Compact trailers, small boats | View | 
| SPIND150Z | 6″ (150mm) | 16mm | Zinc | Steel | 200g | Lightweight trailers, tinnies | View | 
| BFC008 | 8″ | 19mm | Zinc | Steel | 300g | Mid-weight boats, zinc upgrade | View | 
| SPIND200Z-16 | 8″ | 16mm | Zinc | Steel | 300g | DIY builds, budget-friendly | View | 
| SPIND300Z | 12″ | 24mm | Zinc | Steel | 300g | Large rollers, heavy-duty zinc | View | 
| SPIND100G | 4″ | 16mm | Galvanised | Steel | 100g | Smallest setups, rust-proof | View | 
| SPIND114G | 4.5″ | 16mm | Galvanised | Steel | 200g | Small trailers, extra corrosion protection | View | 
| SPIND150G | 6″ | 16mm | Galvanised | Steel | 300g | Everyday boat hauling | View | 
| SPIND200G | 8″ | 19mm | Galvanised | Steel | 300g | Heavier-duty trailer rollers | View | 
| SPIND200G-16 | 8″ | 16mm | Galvanised | Steel | 300g | Standard 8″ roller replacement | View | 
| SPIND300G | 12″ | 22mm | Galvanised | Steel | 500g | Heavy-duty setups, max load | View | 


 
				 
				 
				 
				 
				 
				 
				 
     
     
                    
 0415343379
0415343379