Fastening Solutions

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Blake Marciszewski

Metric Bolt - Family‑run. Defense grade fasteners. Reliability you can trust.

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Selecting the right fastening solution is essential for safety, durability, and performance across military, aerospace, marine, and industrial applications. Whether you’re assembling complex subsystems or rugged outdoor platforms, Metric Bolt offers a range of engineered solutions designed to meet stringent requirements.

Core Fastening Categories

1. High‑Strength Bolts & Screws

Designed for high-load joints and structural connections—offered in alloy steel, stainless, titanium, and nickel alloys. Available with enhanced locking options and torque inserts for vibration resistance and preload stability.

2. Rivets & Structural Fasteners

Ideal for permanent, shear-critical applications. We provide blind rivets, solid rivets, and specialty rivets engineered for high fatigue life and reduced weight in aerospace and vehicle platforms.

3. Specialty Fastening Systems

Includes captive bolt assemblies, threaded inserts, and collar systems tailored for quick assembly, cleanliness, and integration into electronics enclosures, sensor arrays, or composite materials.

4. Coatings & Corrosion Control

Fastener finishes include zinc‑nickel, cadmium alternatives, anodizing, and PVD ceramics—selected to match environmental and regulatory needs while maintaining precise tolerances.

Fastening Solutions

Solution TypeMaterial / FeaturePrimary Applications
High‑Strength Bolts/ScrewsAlloy steel, Ti‑6Al‑4V, Inconel with locking threadStructural joints, armor, high-vibration zones
Rivets (Blind/Solid)Aluminum 2117, steel, titaniumFuselage skins, shear-critical panels
Threaded Inserts & CaptivesHeli-Coil®, PEM, zinc-plated insertsComposite assemblies, service access panels
Coatings & Surface FinishesZinc‑nickel, cadmium‑free, anodizing, PVDCorrosion protection, EMI shielding

Best Practices for Fastening Systems

  1. Match Solution to Load & Mission
    Use high-tensile hardware in structural joints; use rivets in shear-loading applications for weight efficiency.
  2. Select Correct Coating
    Ensure finishes meet environmental demands without compromising thread fit or tolerances.
  3. Maintain Torque & Locking Standards
    Always apply calibrated tools and choose locking solutions to prevent vibration-related failure.
  4. Ensure Traceability
    Utilize DFARS- and MIL-SPEC-certified hardware with full material certifications—even for coated or specialized systems.

Why It Matters

Choosing the right fastening solution affects performance, weight, and reliability in critical applications. Whether you’re engineering UAVs, naval platforms, or combat vehicles, the correct fastener system ensures mission readiness, safety, and compliance.

At Metric Bolt, we offer a full suite of fastening solutions—from bolts and rivets to inserts, captives, and advanced coatings—customized and certified for demanding missions.

Ready to optimize your hardware?
Contact Metric Bolt for expert assistance, custom specifications, or to request a quote.

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