BoltSpec Pro

Bolt & Fastener Engineer Tool

$2.99 · Designed for iPad. Not verified for macOS.

Comprehensive tool for mechanical engineers and technicians dealing with bolts, fasteners, and joint design. BoltSpec Pro provides instant access to a vast database of standard bolt specifications, torque calculations, and material properties. Key Features: - Extensive Database: Access ISO, SAE, and ASTM standards for metric and imperial fasteners. - Precision Torque Calculator: Calculate required tightening torque based on bolt grade, size, and lubrication conditions. - Material Properties: Detailed data on steel grades, tensile strengths, and yield points. - Unit Conversion: Seamlessly switch between Metric and Imperial units. - Favorites: Save frequently used fastener specs for quick access. Perfect for automotive, aerospace, construction, and manufacturing professionals.

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The developer, Qixin Net (Beijing) Technology Co., Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

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    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    • Qixin Net (Beijing) Technology Co., Ltd.
    Size
    • 2.1 MB
    Category
    • Utilities
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Classification
    4+
    Copyright
    • © 2026 Haoxiang Studio