Couplemate Trailer Parts.
Couplemate Trailer Parts.

7/16-inch Wheel Stud (490200)

Part No: 490200 Category:
Part No: 490200 Category:

$2.75

Frequently Bought Together

7/16-inch UNF Holden Chrome Trailer Mag Wheel Nut

7/16" UNF trailer wheel nuts are often used for Holden HQ, HT, and Commodore wheel stud pattern. The dome-style of wheel nut protects the end of you stud thread, unlike open-ended nuts.

"7/16-20" engraved on each nut.
✓ Chrome finish to provide longer rust protection.
✓ Often used for alloy wheels on caravans and trailers.

7/16-inch UNF Holden Open Hex Wheel Nut

7/16″ UNF wheel nuts are often used on Holden trailer wheels, including Commodore, HT, and HQ.

✓ Gold zinc surface coating.
UNF thread often for steel caravan and trailer wheels.
Large quantity kept in stock for quick dispatch.

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7/16-inch Trailer Wheel Stud

The 7/16-inch Holden wheel stud has a UNF thread and does not include lug nuts or mag wheel nuts.

Wheel studs stold by Couplemate are high tensile.

Yes, however, high tensile steel studs still require checking each morning when travelling. Wear and tear from rough roads has disastrous results as can be seen from the image below.

How do wheel studs become loose?

Firstly, we rarely see loose wheel studs caused by faulty manufacture. It is important to note that all wheel nuts are tightened correctly.

One loose wheel nut often results in all the wheel nuts becoming loose.

Long-distance travel and corrugated road travel mandate checking the tightness of wheel nuts every morning before breaking camp.

Loose Axle U-bolts cause Highway Havoc.

We are also able to supply custom-made 10″ drums and unbraked hubs.

If the wheel stud is not located here, call one of our experts at 0733483822, and we will try to source it for you.

Download our Caravan Wheel Stud Selection Sheet

wheel studsIs wheel stud sheer typical?

Yes, worn wheel studs are more common on caravans than trailers.

The left is a simple example of sheer, where the studs can be replaced.

Most reputable caravan and trailer repairers carry wheel studs for common hubs and drums, such as Ford, Landcruiser, and Holden.

In cases where the stud is loose in the hub or drum, the entire part needs replacement.

Hole size is critical for the stud knurl to lock itself into position; therefore, any sign of a loose fit can be expensive.

Tightening the wheel nuts on your spare wheels is also a good idea. It is not uncommon to lose a wheel on rough trips.

Finally, stripping wheel nuts is uncommon; we just do not see it occur with high-tensile equipment. The stud will sheer before a nut will strip its thread.

wheel nut indicatorHow can I identify loose wheel nuts?

A very cheap and easy solution to identify loose wheel nuts are plastic wheel nut indicators.

These indicators slide over the wheel nut and provide a positive indication should the nut move.

Purchase wheel nut indicators here.

Early Holden to HT (150mm Hubs)

  • 7/16 Inch UNF studs
  • 5 Studs, 4.25-inch PCD (107.95mm)
  • 63.5mm between adjacent studs
  • Short Knurl
  • Knurl Diameter 13.78
  • Length under Head: 41mm
  • Hole Size: 13.5mm
  • Knurl Length: 5mm

Holden HQ onwards (150mm Hubs)

  • 7/16 Inch UNF studs
  • 5 Studs, 4.75″ PCD (120.65mm)
  • 70.9mm between adjacent studs
  • Short Knurl
  • Length under Head: 41mm
  • Hole Size: 13.5mm
  • Knurl Length: 5mm

Review the Wheel Stud links Below

Additional information

Weight0.2 kg
Dimensions4 × 2 × 2 cm
Stud Thread

7/16" UNF – 490200

Stud Length

41mm

Stud Knurl Length

9mm

Stud Knurl Dia

13.89mm

Stud Knurl Hole

13.5mm

Stud Head Thickness

5.2mm

Stud Head Hole Dia

19.2mm

Materials

High Tensile Steel (4140)

Our Service Lifetime Warranty

Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

Couplemate™ is a manufacturer and vendor of high-quality towing, trailer, and caravan components. Couplemate™ Core Goods and Custom Work are guaranteed to be free of defects for the service lifetime of the product when used as intended.

Warranties are non-transferrable and Couplemate™ requires satisfactory proof of purchase prior to issuing a remedy. The full Couplemate™ Warranty Policy can be found in the Terms & Conditions: Section 8 – Consumer Guarantees & Warranty.

Warranties are in addition to your rights under the Australian Consumer Law. If something is wrong with your order, please contact our team.

60-Day Returns

After 60 years of experience, we know that life has its unpredictable moments.

All Couplemate™ orders (online, over the phone, or in-store) have a 60 day period for change-of-mind returns and exchanges. There are some items that can’t be returned and some returns may incur a 15% restocking fee.

You can view our full policy for change-of-mind returns here.

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