Package Includes — 100 Count Tri-Fold (Exploding/Bulb) Pop Rivets, size 3/16" x 5/8", open end; aluminum body with steel mandrel + matching rivet drill bit for 3/16" (4.8mm) holes.
One-Side Install + High Grip — Blind rivets fasten from the front only; tri-fold design expands into multiple legs for wider backside support and reduced pull-through vs standard pop rivets.
For Thin & Soft Materials — Ideal for thin sheet metal, plastic, fiberglass, and composites; great for enclosures, ductwork, panels, and general fabrication.
Aluminum Body / Steel Mandrel — Reliable setting and consistent pull; lightweight rivet body with strong steel mandrel for everyday jobs.
Clean, Faster Workflow — Drill the hole and set the rivet with common hand or pneumatic rivet tools; select length by total material thickness (grip range). Metric reference: 4.8x16mm.