Quick Summary
The Bbtcxjs 8-piece barbell hex nut set is a group of spinlock collars for 1 inch or 25mm dumbbell and barbell bars. It is described as suitable for fixing weight plates in place, with a threaded hole diameter of 25mm/0.98 inches.
The set is made from PVC material and includes rubber non-slip fastening rings. It is also described as scratch-resistant and designed for quick assembly and disassembly.
Who It Is Best For
This set is for buyers who need spinlock-style collars for compatible 1 inch or 25mm weightlifting bars, dumbbells or barbells. It is also relevant if you want a portable collar set for use at home or in the gym.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Bbtcxjs. |
| Pack quantity | 8 pieces, which tells you how many collars are included. |
| Size | 1 inch / 25mm, with a threaded hole diameter of 25mm/0.98 inches for size matching. |
| Product type | Barbell bar hexagon nuts, dumbbell clips, spinlock collars and screw clamps are all used in the title to describe the same product set. |
| Material | PVC material. |
| Design features | Rubber non-slip fastening rings are included in the description, and the collars are described as scratch-resistant. |
| Use | Suitable for barbells, dumbbells, weightlifting and securing weight plates. |
Why Buyers Choose It
- The 8-piece pack gives you multiple collars in one set for the stated use.
- The 25mm / 0.98 inch threaded hole diameter gives a clear size check before ordering.
- The non-slip fastening rings are described as helping the collars stay fixed in place.
- Quick assembly and disassembly is stated for easier fitting and removal.
What To Know Before You Buy
Check that your bar or dumbbell uses a 1 inch or 25mm fitting before ordering. The threaded hole diameter is stated as 25mm/0.98 inches, so size matching matters here.
The listing uses several names for the same item, including hex nuts, dumbbell clips, spinlock collars and screw clamps. The important check is whether your equipment matches the stated size.
Common Buyer Questions
What size bars do these fit?
They are stated as suitable for 1 inch standard weightlifting barbells or dumbbell-style rotating collars, with a threaded hole diameter of 25mm/0.98 inches.
How many are included?
The pack contains 8 pieces.
What are they made from?
They are made from PVC material.
Can they be used with weight plates?
They are described as suitable for keeping weight plates firmly fixed on barbells and dumbbells.
Final Buying View
If you need 1 inch or 25mm spinlock-style collars, this Bbtcxjs 8-piece set gives you a clear size check and a stated non-slip fastening ring design. Confirm the fitting on your bar or dumbbell before ordering.





