Tri-firm Blind Rivets

Our products are manufactured to international standards. The selected line material is forged with high hardness and durable.We have a mature process manufacturing.The product surface used for a long time is still smooth.

• Three Split  Expansion Design, Anti Pull-Through Core Advantage
• Perfect Fastening Solution for Thin, Soft & Brittle Materials
• Wide Grip Range
• Clamping Force & Superior Vibration Resistance
• Waterproof type with rubber

Generally speaking ,customized tool will be used for this rivet.

1.Drill a 7.9–8.0 mm hole and deburr it. Insert the rivet from the outer side. Keep the rubber washer flat on the panel, do not push it into the hole.

2.Fit the dedicated 7.8mm gun nose onto the mandrel. Hold the rivet gun perpendicular to the surface and press firmly against the rivet flange.

3.Pull continuously until the mandrel snaps off. Stop right away and never re‑pull repeatedly.

4.Inspect: The gasket is tightly compressed. The back sleeve evenly forms three bulbing petals. Test for water leakage if required.

Tri-firm blind rivet is widely used in construction, automobile, ship, aircraft, machinery, electric equipment, furniture, etc. water-proof conditions.

Construction and Metal Roofing

Ideal for color steel sheets, aluminum‑magnesium‑manganese roof panels, exterior wall cladding and rain gutters. Also popular on solar support frames. They stop rainwater seeping through fixing holes and cope with strong wind, UV rays and temperature shifts.

Outdoor Electrical Cabinets and Lighting Great for distribution boxes, communication cabinets, LED screens and outdoor lamp housings. They keep water and dust out and prevent circuit short‑outs.

We have one complete line including cold forming machine, polish machine ,treatment machine ,assembling machine, testing machine ,packing machine

We provide customized size or service for your demand,