Universal 10mm Bumper & Fender Push-Drive Retainer Rivets STL | 2-Piece Separate Plunger & Expanding Sleeve

Heavy-Duty 2-Piece Push-Drive Automotive Retainer Rivet for 10mm Mounting Holes. Includes 2 separate, individual STL files: 1. Outer Expanding Collet Sleeve (with 4-split retention wings and barbed clamping collar) 2. Center Drive Plunger Locking Pin (slides smoothly inside sleeve to expand and lock). Features: - Engineered for front/rear bumper covers, radiator shields, engine splash guards, and fender liners. - Separate multi-part print ensures 100% functional mechanism with smooth slide-and-…

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