6″ Galvanised Boat Trailer Eye Post – 18mm Hole, 172mm Length, 19mm Stem (SKU: 92171)

This 6-inch galvanised eye post is a compact yet heavy-duty component for boat trailer setups. Designed for height adjustment and support, it fits 18mm bolts and 19mm bracket mounts, making it compatible with most trailer hardware.

Whether you’re mounting a bow stop, V-block, or keel roller, this eye post delivers secure performance with a corrosion-resistant hot-dip galvanised finish for long-term use in saltwater or freshwater environments.

Key Features:

• Length: 172mm
• Hole Size: 18mm – suits common roller bolts
• Stem Diameter: 19mm – fits standard bracket slots
• Material: Hot-dip galvanised steel
• Type: Eye post with adjustment function

Applications:

• Mounting bow stops or V-blocks
• Adjusting keel roller position on winch post
• General support for front-end trailer components

Built tough, built small, and built smart – this 6-inch post gets the job done without taking up too much space.

FAQs

• Q: Is this shorter than the standard 8″ post?
  A: Yes – it’s 172mm long, designed for trailers with lower clearance or compact bow setups.
• Q: What’s the difference between this and a V-block bracket?
  A: This is the post used to hold brackets like V-blocks or bow stops. The bracket is mounted on top.
• Q: Can I use this in saltwater?
  A: Absolutely. It’s hot-dip galvanised and made for marine use.
• Q: Does it come with bolts?
  A: No, bolts are sold separately depending on your bracket type.
• Q: Can I use it with a winch post?
  A: Yes – it’s ideal for adjustable bow support on winch posts.

Is This the Right Product for You?

• Buy this if:
  • You need a compact, height-adjustable post for front-end trailer support
  • You’re working with V-blocks, bow rollers, or winch post setups
  • You need strong, rust-resistant hardware for marine environments
• Don’t buy this if:
  • You need a longer post – check out our 8” version (SKU: 6196)
  • Your bracket requires a stem larger than 19mm – measure first!
  • You’re looking for an integrated roller set – this is post only

Installation Tips

1. Insert the 19mm stem into your mounting bracket
2. Align the 18mm hole with your roller or bow stop
3. Secure with matching bolts and locking washers
4. Use corrosion-resistant hardware for best durability