Need Thule Replacement Carriage Bolt with Larger Square Shank for Rooftop Cargo Box
Question:
Hi. I bought a set of 8 of these to replace the rusted ones from my Thule roof pod. The are the right length and proper thread, but the square part of the bold end is too narrow and doesnt lock into and keep the bolt from spinning freely when you try to tighten it down. What would you suggest?
asked by: Ian R
Expert Reply:
The Thule Replacement M6 x 60 mm Carriage Bolt # 915-0660-31 that you referenced is intended for use with a specific kayak carrier, the Stacker # TH830. It also works with their roof-mount bike wheel carrier # TH98BV.
Thule offers a range of other similar replacement carriage bolts for other applications, such as # TH915-0675-11 which is a 75mm long bolt with a square shank that measures 0.238-inches. Their part # TH10403 is a fully-threaded 75mm bolt designed for their Adventurer Cargo Box. The square shank of this bolt measures 0.3-inches.
If neither of these items is the correct fit for your Thule product please let me know the size of the square opening for which you need the bolt.
Products Referenced in This Question
Carriage Bolt M6-1 x 75mm - Fully Threaded
- Accessories and Parts
- Roof Box
- Hardware
- Thule
more information >
Thule Stacker Kayak Roof Rack w/ Tie-Downs - Post Style - Folding - Clamp On
- Watersport Carriers
- Kayak
- Roof Mount Carrier
- Post-Style
- Folding
- Aero Bars
- Elliptical Bars
- Factory Bars
- Round Bars
- Square Bars
- Side Loading
- Clamp On
- No Load Assist
- Thule
more information >
Thule Front Wheel Holder - Roof Mount - Folding - Clamp On
- Accessories and Parts
- Roof Bike Racks
- Wheel Carrier
- Thule
more information >
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Joe F.
11/17/2021
Sadly, I also bought the M6 75mm bolts Code: TH915-0675-11 to use with the Thule roof box and had the same problem, the square part of the shank is too small and the bolts just spin so they cannot be used. The square dimension needs to be 0.313 inches (more accurately, 8mm) to fit into the square hole in the plastic bracket of the roof box. Do you sell a M6 75mm bolt with a 8mm square shank?