Thunderbird 600 Pack Pinlock Steel Post Insulators - EF-18

Thunderbird 600 Pack Pinlock Steel Post Insulators - EF-18

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The Australian-designed insulators for electric fences from Thunderbird are here at The Grit. These pin lock steel post star picket insulators are easy to use and provide security for your electric fence. Each pin lock is treated with UV stabilisation technology. This way, it is guaranteed that the product can withstand the harsh Australian sun.

These insulators are strong and sturdy, making them ideal for your lifestock. This medium-duty pin lock is useful for those that use steel posts for their fences. They are designed with excellent insulation and enhanced separation. When installed, the pin locks fit snugly to the steel posts you may have in your farm. They are suitable for both long and short removable and permanent fences.

Aside from our 600-pack, we also have 25 pieces available, as well as 50, 100, and 200. Pick the right amount that works for your fence and your budget.


  • 600 pack
  • UV-stabilised - Australian made
  • Thicker stronger pins
  • Ultra tough design
  • Ribbed jaw for heavy wire loads
  • Colour: Black
  • Duty: Medium
  • Type: Pinlock Insulators
MPN: EF-18

Shipping Details

Estimated Delivery Time Frame: 5 - 10 business days

We aim to dispatch all items within 1 business day. When we dispatch your item(s) you will receive an email confirmation. This email includes the freight provider we have used and a unique number that allows you to track your purchase. All orders can be tracked via the chosen carriers website.

If you are having difficulty with receiving your delivery, contact us through MyDeal. We want to help you every step of the way.


30 Day Money Back Guarantee

We want you to love our products as much as we do! If you are not completely satisfied please let us know within 30 days for a full refund minus the cost of postage. Simply contact us to let us know and one of our friendly staff will assist you. Once we receive the item(s) back at our warehouse, we will then refund the full product cost back to you. We recommend sending returns via registered post or courier as we do not accept responsibility for lost items.


Please Note

  • Return requests must be lodged with The Grit Customer Service within 30 days of purchase.

  • Please package the item to be returned in its original unopened brand new condition, ready to be put back on the shelf.

  • Any shipping costs incurred are non-refundable.

  • Refunds will be processed by The Grit within 48 hours of receiving the item at our warehouse.

  • All refund claims made within the 30 day period will be issued in the method by which they were paid.

  • Faulty goods will be dealt with as per the manufacturer's warranty and terms.

  • Replacement products will only be shipped after the faulty item has been received and assessed.


Warranty Claims

The majority of our products are backed by a 12-month warranty, which encompasses all manufacturer-related faults in the product. Some of our products may have varying warranty periods, so it's advisable to review the product description for specific details. In the event of any concerns or problems with your order, kindly reach out to us through your MyDeal Account to initiate a warranty claim.

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Estimated Delivery Time Frame: 5 - 10 business days

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  • Great price volume ratio .Very 😊

  • Best price found and they fit Warrata JIO Droppers correctly. Very Happy

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