Our trim clips & speed nuts cover door cards, bumpers, undertrays and engine shields. Durable nylon/POM push rivets, U- and speed nuts, fir-tree and panel retainers allow quick, non-marring installs. Select by hole size, shank length, head diameter and panel thickness to achieve an OEM-like fit and reliable retention.
Net price: 11 €
Net price: 13 €
Brief summary & key benefits
Trim clips & speed nuts provide fast, clean fastening for interior panels, bumpers and shields. Quality nylon/POM clips resist ageing while U-/speed nuts in spring steel add serviceable threaded points. Expect OEM-style fit, non-marring installs and easy replacements during maintenance.
Technical basics
Main types include push rivets, fir-tree retainers, snap panel clips, screw-type centre pins and door-card clips. Materials: UV-stable PA6/POM for plastics; spring-steel U nuts with zinc/black finish for corrosion resistance. Sizing revolves around hole diameter (e.g. 6–10 mm), shank length, head diameter and clamped panel thickness. U-nuts clip over sheet edges and provide self-retaining threads (often M5–M6).
Compatibility: the plug compresses into the hole; barbs deliver pull-out strength. Screw-type pins tolerate repeated service. U-nuts are ideal where welded nuts are impractical—interior trims and heat shields for example.
Common pitfalls: undersized heads pulling through the seat, brittle plastics, wrong hole size, or mismatched panel thickness for the U-nut, leading to loosening.
Selection criteria
Hole size: measure with callipers; choose a slightly larger shank for secure retention.
Shank length/clamp: thicker stacks need longer shanks so barbs fully engage the bore.
Head style: larger head diameter suits soft trims; narrow heads fit tight recesses.
Material: pick heat/UV-resistant POM/nylon for general trims; use spring-steel U-nuts where torque and heat are higher.
Service life: for frequently removed panels, prefer screw-pin or other reusable designs; for hidden points, simple push rivets are fine.
Installation & maintenance
Use a plastic trim tool to avoid paint damage. Remove broken remnants and clean the seat. Insert clips squarely; tighten screw-pins by hand to avoid over-stress. With U-nuts, align the edge and choose proper screw length plus washers to protect soft trims.
Maintenance: plastics age—replace if they harden or deform. Track down rattles by checking missing positions and upgrading to larger-head clips where needed. Replace rusty U-nuts; a dab of lubricant prevents galling during removal.
FAQ
Q: How do I match sizes?
A: Measure hole diameter and stack thickness; compare to clip shank and grip range data.
Q: Are clips reusable?
A: Screw-pin and many door-card clips are; basic push rivets often deform on removal.
Q: My U-nut loosens—what now?
A: Use the correct panel-thickness spec, add a washer, and verify screw length.
Q: Which for the engine bay?
A: Heat-resistant POM clips for covers; for structural points choose spring-steel U-nuts with zinc finish.
Q: How to stop panel buzz?
A: Fill missing clip points, choose larger head where the seat is worn, and verify equal spacing.
