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🔧 Lock in your adventure gear with pro-grade T-slot bolts—because your ride deserves the best!
These T Slot Bolts are precision-engineered 304 stainless steel adapters designed to securely fasten a wide range of accessories—like bike racks, solar panels, and cargo baskets—to Thule, Yakima, and Whispbar T-slot roof rack crossbars. Featuring a 20x20x4mm square base and M6 threading, they offer corrosion resistance for marine environments and easy, drill-free installation, making them the ultimate upgrade for your rooftop gear setup.
| Asin | B0B8NXNRRV |
| Best Sellers Rank | 715,097 in Automotive (See Top 100 in Automotive) 4,813 in Roof Racks |
| Brand Name | moroinriz |
| Colour | silver |
| Customer Reviews | 4.4 4.4 out of 5 stars (60) 4.4 out of 5 stars |
| Fastener Type | T-Bolt |
| Finish Types | Glossy |
| Grade Rating | Grade 304 |
| Item Diameter | 4 Millimetres |
| Item Shape | Square |
| Manufacturer | moroinriz |
| Manufacturer Part Number | QM-BOL-4 |
| Material Type | Stainless Steel |
| Model Number | QM-BOL-4 |
| Number Of Items | 12 |
| Number Of Pieces | 4 |
| Screw Head Style | Square |
| Size | M6x35mm, 12 Count |
| Thread Size | M6 |
| Unit Count | 12.0 count |
User
Quality T slot bolts
I ordered a set of Malone aero crossbars for my 2024 Subaru Crosstrek. I have an older Jegs cargo carrier that I used atop our Outback, but the mounts were not ideal for the aero crossbars (they would probably work, but not ideal).I ordered this set of stainless-steel T slot bolts on Amazon. The are a perfect fit for the T slots in the crossbar. They come with the T slot bolts (M6x1mm thread), flat washers, lock washers, and a nut. I added my own fender washers and used 8 of these T slot bolts to attach the Jegs carrier. It is a perfect, secure fit and mounts pretty easily.It takes about 10 minutes to attach it to the crossbars.I am adding a set of self-designed 3D printed knobs with M6x1mm nylock washers for a faster mount and unmount, but these T slot bolts make it all possible.
User
Roof rail bolts
These books fit the Rivian R1S / R1T crossbar setup perfectly. No issues installing or sliding them across the bar. Thanks for keeping my older roof storage devices relevant.
User
Someone can't count.
The bolts themselves are fine, but there isn't consistency in quantity actually shipped.The listing clearly says this is a pack of 12. The first time I ordered this product I received 5 of the bolts in the package so I set up a return as this was clearly not correct. I ordered the same product again and this time I received 10 in the package.As I only required 10, I decided to just keep the second shipment. If I was to order again, who knows how many would actually be in the package.
User
Très satisfait
Convient avec les barres thule aero!
User
Works for most part
Works. But hard to slide around when it's in. Also the O ring is so small it kind of falls through. Wish it came with some neoprene rubber washers too - which really helps against metal surfaces
Trustpilot
1 month ago
1 week ago