Rustark U-nut Clip Assortment 225 pcs — 6 SAE Sizes, Black-Phosphate with Labeled Storage Case

Rustark 225-piece U-type speed nut assortment: six common SAE sizes of black-phosphate U-clips in a labeled storage case for securing automotive panels, trim, and molding.

This kit gathers the most-used U-nut or speed-nut clip sizes so you can replace corroded or missing clips on door panels, fenders, bumpers, grilles and other interior or exterior auto trim without multiple parts orders. Finished in black phosphate for improved corrosion resistance, the assortment is arranged in a compact plastic storage box with a specification label so you can find the right clip quickly on the workbench or in a service van.

Which sizes are included, and how many of each will I get?

The set contains six popular SAE sizes to cover a wide range of factory fastener requirements. Counts vary per size to reflect common usage so you have spares for multiple repairs.

• 40 × 8# × 3/8
• 40 × 8# × 5/8
• 40 × 10# × 3/8
• 35 × 10# × 5/8
• 35 × 14# × 3/8
• 35 × 14# × 5/8
• Total: 225 pieces in one labeled plastic case

How do these U-nut clips perform on vehicles exposed to weather?

Each clip is finished with black phosphate, which improves surface hardness and offers baseline corrosion resistance for automotive environments. While not stainless steel, the coating helps prevent early rust when used in interior panels and many exterior trim applications.

• Black-phosphate finish increases wear resistance and reduces corrosion risk.
• U-shaped design grips both sides of panel edges for stable fastening.
• Made to accept machine screws for quick alignment and secure hold.

What parts of the car are these speed nuts commonly used on?

These U-type speed nuts are designed for common panel and trim attachment tasks where quick clip-and-screw fastening is needed. They’re suitable for many factory-style applications and aftermarket repairs where original U-clips are missing or damaged.

• Door trim and interior panels
• Fender liners, bumpers and side skirts
• Grille, radiator shroud, engine cover and license plate mounting

How is the kit packaged and how will it save time during repairs?

The clips are supplied in a compartmented plastic chart storage case with a printed product specification label so you can identify sizes at a glance. Having the most common sizes on hand reduces downtime searching for the correct U-clip or making multiple orders mid-repair.

• Durable plastic case organizes all six sizes separately.
• Specification label speeds size selection on the job.
• Compact storage fits in toolboxes, vans, or garage shelves.

Who is this for: The Rustark 225-piece U-type speed nut assortment is aimed at DIY mechanics, professional repair shops, restoration hobbyists and fleet maintenance teams who frequently replace panel clips and need a broad set of sizes on hand. If you work on older vehicles with rusted fasteners or manage recurring trim repairs, this kit supplies commonly required clips in one convenient, labeled box.