Additional Sizing Info: Tri Bulb Rivet Spec Sheet Color: Silver Diameter: #8 Drill (Hole) Size: 1/4″ Head Type: Dome Head (Rivet) Rivet Diameter Facet: #8 (1/4″) Finish: Zinc Plated Flange Diameter: 0.535 – 0.550 Head Height: 0.15 Head Style: Dome Material: Steel Nominal Size: #8 Other: Includes EPDM Sealing Washer Product Type: Tri Fold Dome Head Blind Rivet Rivet Diameter: 1/4″ (#8, 0.25″) Shear (lbs): 1250 Standards Met: RoHS Compliant System of Measurement: Inch Tensile PSI: 950 Thread Size: #8-4 Tolerance (IFI): Actual measurements may vary slightly /- depending on production run within IFI Tolerances 1/4″ or #8 Diameter Trade Names: Tri Fold Rivets, Bulbing Rivets, Exploding Rivets, Tri Grip Rivets, Trailer Rivets, Expanding Rivets Wildly popular in domestic appliances, plastic components, automotive, trailers, RV, kayaks and sporting goods. Included Neoprene EPDM Washer to seal any gaps Three anchor point grip adds resistance to pull though Wider effective grip range – Excellent as a Multi-Grip Rivet Caulk or sealant is recommended when installing to be truly watertight Tri-Bulb Rivets expand in three directions as the mandrel is pulled through them, creating three anchor points on the blind end of the application. They have better retention than a standard pop rivetdue to their increased surface area. These rivets also work better in thinner metals without causing damage to the materials. Dome Head Tri-Fold Rivets create a finished look similar to a standard pop rivet, and do not require any special tools for installation (other than a standard riveter). Tri Bulb Rivet Spec Sheet