HookWashers for Secure Anchor Connections

GroundGrabba HookWashers are made from 3.5mm mild steel and finished in yellow zinc for anti-corrosion protection. Designed to suit the GroundGrabba Pro Series (GR13) anchors, they prevent the hex collar from slipping through oversized holes in timber or base plates, keeping your tie-downs reliable and secure.

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HookWasher Packs | 3.5mm Mild Steel | Yellow Zinc Anti-Corrosion

HookWasher Packs | 3.5mm Mild Steel | Yellow Zinc Anti-Corrosion

check_circle Stops GroundGrabba collars slipping through oversized base holes.

check_circle Designed for GR13 series: Pro, Pro I, Pro II.

check_circle Strong 55mm diameter steel washer distributes load for secure anchoring

check_circle Ideal for projects needing firm, stable earth anchoring.

$2.59
$2.59
Sold out

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Made for the GroundGrabba Commercial series. 70mm diameter washers.

check_circle 55mm diameter

check_circle 3.5mm thick

check_circle Mild steel

check_circle 100% RISK FREE 12 Month Money Back Guarantee

check_circle Lifetime Replacement Warranty

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HookWasher Packs | 3.5mm Mild Steel | Yellow Zinc Anti-Corrosion

HookWasher Packs | 3.5mm Mild Steel | Yellow Zinc Anti-Corrosion

$2.59
HookWasher Packs | 3.5mm Mild Steel | Yellow Zinc Anti-Corrosion

HookWasher Packs | 3.5mm Mild Steel | Yellow Zinc Anti-Corrosion

$2.59
$2.59
SAVE Sold out

From the Founder I’m David Levine, inventor of GroundGrabba. In 2017, Susu and I set out to create purpose-built ground anchors. Today, our range secures everything from tents to tiny homes. We back our steel anchors with a Lifetime Replacement Warranty* and a 100% RISK-FREE 12-month return policy. Whatever you need to anchor, we’ll keep you grounded.

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More Information

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What you Get

1 x HookWasher

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Additional Information

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Set Up  

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Specifications

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Recommendations

Learn More...

The GroundGrabba Hook Washer is designed to help you anchor down your outdoor equipment where the hole diameter needed to pass your GroundGrabba though is larger than the diameter of the GroundGrabba Hex Head and collar. 

The diameter of the GroundGrabba Pro GR13 series have a collar diameter of 25mm. The GroundGrabba Hook Washer is wound onto the shaft then slid up under the collar giving your GroundGrabba a collar diameter of 55mm (2 1/8")

Compatible with GroundGrabba Junior, Pro, Pro I and Pro II.

NOT COMPATIBLE with GR14 Commercial Range

What You Get

1 or 6 Washers

Specifications

  • Made of mild steel
  • Zinc-plated, anti-corrosion protection
  • 60g 
  • 55mm diameter
  • 3.5mm plate thickness
  • 15mm hole diameter elongated through a special teardrop shape
  • 6x washers per pack

Weight: 60gram per item packet weight is 360grams
Dimensions: Packet size 55mm diameter x 25mm

Additional Information

Feedback from customers who use our GroundGrabba Pro II's for more semipermanent ground anchoring of pop up garages, timber for landscaping, simple garden retaining wall use.   In these instances one needs to drill a hole in the material that is wider than the 25mm flange washer collar for the flights(spirals/wings) of the GroundGrabba to pass through.  Once the hole diameter is larger than the Hex Head and Collar there is a need for a wide washer to make the diameter of the original collar wider.  Enter the HookWasher!

Video

 

Product Details & FAQs

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What You get

Hook Washers (GR13) are sold individually or in discounted 6-packs:

- 1 × Hook Washer (sold individually)
- Or 6 × Hook Washers (save 15%)

Stops the GR13 anchor’s collar from slipping through oversized holes in timber or plates.
(Not an attachment point — functions only as a support washer.)

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Can you deliver to my address if I’m not in a metro area?

Yes. We ship Australia-wide. Regional and remote deliveries may take longer, and Star Track is our recommended courier for reliability outside metro areas. All orders are shipped with ATL (Authority to Leave) unless a signature is specifically requested at checkout.

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When will my order arrive?

We dispatch from Tweed Heads, NSW several times a week. Metro areas are typically 1–3 business days depending on proximity to Brisbane/Eastern Seaboard; regional and remote deliveries may take longer. We recommend Star Track for reliability in regional and remote areas. Courier options and ETAs appear at checkout.

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What warranty is included?

All steel GroundGrabba products come with a Lifetime Replacement Warranty against breakage in normal use. Accessories like bags, drill bits, and carabiners include a 12-month manufacturer’s warranty.

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What is your return policy?

We back every purchase with a 100% risk-free 12-month return policy. If you’re not satisfied, you can return your GroundGrabba products within 12 months for a full refund or replacement (conditions apply).

From the founder:

Hi, I’m David Levine, inventor of GroundGrabba. In 2017, Susu and I set out to create purpose-built ground anchors. Today, our range secures everything from tents to tiny homes. We back our steel anchors with a Lifetime Replacement Warranty* and a 100% RISK-FREE 12-month return policy. Whatever you need to anchor, we’ll keep you grounded.