Quick Summary
The CRCFSUK 6 piece M6 x 35 mm T track bolt kit is a roof rack rail carrier fitting set with thumb screws, nuts and washers. It is set out as a ready-to-fit kit for T-slot tracks, with 20 x 20 x 4 mm square sliding blocks and an M6 thread.
The main buying checks are the slot width on the rail, the bolt length and whether the kit format matches the way you plan to mount the accessory. The product page also states that the thumb screws are for hand tightening.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | CRCFSUK. |
| Product type | T track bolt roof rack fitting kit. |
| Quantity | 6 pieces, so check the pack size against the number of fixings you need. |
| Bolt size | M6 x 35 mm, which matters for matching the thread and length. |
| Sliding block size | 20 x 20 x 4 mm square sliding blocks. |
| Included items | 6 T track bolts, 6 thumb screws, 6 washers and 6 nuts. |
| Slot width check | The rail slot is stated as 6 mm wide, so this is the key fit check before buying. |
What to Compare Before Buying
- Slot width: The kit is stated for a 6 mm slot width, so compare that with your roof rack rail.
- Thread and length: Check that M6 x 35 mm suits the mounting point you are fitting.
- Pack quantity: This is a 6 piece kit, so confirm it covers the number of fixing points on your accessory.
- Included parts: Make sure you want bolts, thumb screws, nuts and washers in this format rather than a different fixing style.
Compatibility, Size and Fit
The product is intended for roof rack rails and T-slot tracks. The stated compatibility also mentions roof boxes, bike carriers, ski racks and rooftop tents, so the exact rail profile and slot width are the two most important checks.
The thumb screws, nuts and washers are part of the same kit, so the complete fixing stack should be checked against the accessory you are mounting.
Before You Decide
Check the 6 mm slot width, the M6 x 35 mm bolt size and the 6 piece quantity before choosing an offer. Confirm that the included bolts, thumb screws, nuts and washers match the way your roof rack accessory mounts.


