Engineer bolt and nut

engineer bolt and nut is a fast offline reference app for engineers, technicians, inspectors, and procurement teams who need quick access to common fastener dimensions.

Look up nut and bolt specifications directly on your device without relying on a network connection for dimension data.

【 KEY FEATURES 】

✓ Offline Fastener Lookup

Access bundled fastener dimension data on your device. Useful in workshops, factories,

inspection areas, and field environments where network access may be limited.

✓ Nut and Bolt References

Includes reference data for:

- Hex Nuts

- Heavy Hex Nuts

- Hex Bolts

- Heavy Hex Bolts

✓ Metric and Unified Sizes

Switch between metric and unified fastener sizes and review dimensions in a clean, simple format.

✓ Min / Basic / Max Detail Levels

Choose the detail level you need for quick checks or more detailed review.

✓ Visual Dimension Drawings

View front and side diagrams with labeled dimensions to understand each fastener shape more quickly.

✓ Copy and Save Specs

Copy selected specification values to the clipboard or save a spec image to your device for sharing or record keeping.

✓ Comfortable Viewing

Supports light and dark themes, plus a large-text option for easier reading.

【 WHO IS THIS FOR? 】

• Mechanical Engineers - Quick reference during design reviews

• Field Technicians - On-site checks and verification

• QC Inspectors - Dimension review during inspection

• Procurement Staff - Fastener size confirmation for ordering

• Students and Makers - Learning common fastener dimensions

【 WHY ENGINEER BOLT AND NUT 】

→ Fast offline lookup for dimension data

→ Nut and bolt references in one app

→ Metric and unified size support

→ Simple interface focused on specifications

→ Free to use

Note: This app is a reference and visualization tool. Always verify dimensions, tolerances, and project requirements against official standards, drawings, manufacturer documents, or qualified engineering review before using data for design, manufacturing, procurement, inspection, or safety-critical decisions.