Rustark U-nut Clip Assortment 225-Piece SAE Kit for Auto Trim & Panels — Black Phosphate, 6 Sizes, Storage Case

Rustark 225-piece U-Type speed nut assortment is a ready-to-use kit of six common SAE sizes that replaces worn or rusted U-clips to quickly secure door panels, trim, bumpers and other automotive body parts.

Keep a well-organized selection of U-clips on hand so small repair and maintenance jobs don’t turn into long parts hunts. This Rustark kit includes 225 stamped steel U-nuts in six popular sizes finished with a black phosphate coating for improved corrosion resistance. The clips snap over panel edges and accept machine screws to produce a reliable hold and fast alignment while you reattach interior and exterior components.

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

The set covers six widely used SAE-style U-clip sizes so you can match thread and panel thickness without multiple orders. Quantities are allocated to give you ample spares for repeated 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 a clear plastic storage case

How durable are these U-clips and what finish do they have?

Rustark U-type speed nuts are finished with a black phosphate coating to reduce surface corrosion and improve wear resistance compared with plain steel. The stamped design provides the spring tension necessary to grip panel edges while maintaining thread engagement for screws.

• Black phosphate finish for rust resistance
• Stamped steel construction for consistent spring action
• Designed to accept machine screws for secure fastening

Where on a vehicle can I use these clips?

These U-nuts are intended for general-purpose body and trim fastening wherever a clipped nut fits panel edges or flanges. They’re commonly used by DIYers and technicians for both interior trim and exterior bodywork.

• Door panels, interior trim and dash mounts
• Fender liners, bumpers, side skirts and grille mounting
• Radiator shrouds, engine covers and license plate brackets

How is the kit packaged and how will it help my workflow?

The assortment ships in a compact plastic storage box with a product specification label so you can identify sizes at a glance. Organized storage prevents loss, speeds selection during repairs, and makes the kit portable for garage or mobile work.

• Clear compartment case with labelled sizes
• Removable segments help grab the right size quickly
• Portable, helps reduce time spent searching for matching clips

Who is this for: This Rustark 225-piece U-nut assortment is aimed at home mechanics, professional technicians and restoration hobbyists who need a broad, well-organized selection of common SAE U-clips. If you routinely work on doors, fenders, bumpers, grilles or interior panels, or you manage a shop stocking frequently used fasteners, this kit reduces downtime and keeps proper-fit clips at hand. Note: confirm clip size compatibility with your vehicle before installation.