ASME/ANSI B 18.30.1M-2
100° and 120° Countersunk Head Style Break Mandrel Blind Rivets

  • Standard: ASME/ANSI B18.30.1M-2

  • Material: Aluminum, Stainless Steel, 
  • Diameter: 2.4–6.3 mm (Custom Available)
  • Surface Treatment: Zinc Plated, Natural, Polished, Passivated
  • Min Order: 5000pcs   
  • Sample: Free sample (after quote)
  • Delivery time: 30 Days
ASME/ANSI B18.30.1M-2-2000

    Product Overview

Product Application

ASME/ANSI B18.30.1M-2 100° & 120° Countersunk Head Style Break Mandrel Blind Rivets (Metric Series) are metric blind rivets designed for flush surface fastening. Featuring either a 100° or 120° countersunk head, they sit flush with the workpiece after installation, providing a clean appearance while reducing interference and improving aerodynamic performance.

The break mandrel design enables installation from one side only, making these rivets ideal for enclosed structures, sheet metal fabrication, maintenance work, and assemblies where rear-side access is impossible.

Draw

18.30 2

Specification

18.30 2 1

Product Advantages

  • Clean Flush Appearance

    Designed for blind fastening where only one side is accessible, improving assembly efficiency and simplifying installation.

  • Fast One-Side Installation

    Break mandrel construction allows quick installation from one side, reducing assembly time and simplifying work in confined spaces.

  • Reliable and Versatile Fastening

    Provides consistent clamping performance across sheet metal, aluminum, stainless steel, and other industrial materials.

Common Questions

What is ASME/ANSI B18.30.1M-2?

It specifies metric break mandrel blind rivets with 100° or 120° countersunk heads.

Why choose a countersunk blind rivet?

It provides a flush surface for improved appearance and reduced interference.

What materials are available?

Aluminum, steel, stainless steel, and mixed-material combinations.

Can custom sizes be supplied?

Yes. Custom dimensions and grip ranges are available.

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