¶ Standards & Technical Data: Engineering References & Design Tools
Your essential library for precision and compliance. This hub consolidates critical industry standards, material specifications, tolerance charts, and conversion tools. Use these references to ensure your designs are manufacturable, meet quality requirements, and communicate unambiguously with manufacturing partners.
Navigate the sections below to find the right data for your task.
¶ Standards & Technical Data Hub
¶ 1 📊 Engineering Fundamentals & Conversions
Quick-access tables for everyday calculations and unit conversions.
- Engineering Unit Converter (Metric/Imperial)
- Decimal & Fractional Inch Conversion Chart
- Sheet Metal Gauge Thickness Table (mm/in)
- Standard Drill Bit Sizes Chart (Fractional, Number, Letter, Metric)
- Fastener Standard Sizes: Screws, Bolts, and Nuts
¶ 2 ⚙️ Manufacturing Process Standards
Key specifications and capability limits for each manufacturing technology.
- CNC Machining:
- Standard Machining Tolerances (ISO 2768)
- Standard Hole Tolerances (H7, g6, etc.) and Fit Guides
- Surface Finish (Ra) Achievable by Process
- Injection Molding:
- Standard Plastic Injection Molding Tolerances
- Mold Shrinkage Rates for Common Plastics
- Additive Manufacturing (3D Printing):
- 3D Printing Accuracy & Layer Height Standards
- Sheet Metal Fabrication:
- Sheet Metal Bend Radius & K-Factor Chart
- Standard Punch and Die Sizes
¶ 3 🛠 Geometric Dimensioning & Tolerancing (GD&T)
Master the universal language for communicating design intent on technical drawings.
- GD&T Symbols & Definitions: A Complete Guide
- Datums and Feature Control Frames: How to Apply
- Practical Examples: Applying GD&T to Common Features
- GD&T vs. Plus/Minus Tolerancing: When to Use Which
¶ 4 🔧 Material Property Databases
Detailed, comparable data sheets for informed material selection.
- Metals: Mechanical Properties Comparison (Yield Strength, Hardness, Elongation)
- Plastics: Thermal & Mechanical Properties Matrix
- Material Hardness Conversion Chart (Rockwell, Brinell, Vickers)
- Material Certifications & Standards (e.g., ASTM, ISO, RoHS) Explained
¶ 5 ✅ Quality, Inspection & Compliance
Standards that define part acceptance, measurement methods, and industry regulations.
- Overview of ISO 9001 & AS9100 for Quality Management
- First Article Inspection (FAI) Reports and Requirements
- Measurement Uncertainty and CMM Best Practices
- Industry-Specific Standards (Medical, Aerospace, Automotive)
¶ 6 📝 Design Checklists & Templates
Structured guides and ready-to-use documents to streamline your workflow.
- Design for Manufacturability (DFM) Checklist (Universal)
- Technical Drawing Template & Best Practices Guide
- Request for Quotation (RFQ) Template with Critical Data Fields
- Project Specification Sheet Template
¶ How to Use This Hub
- Starting a New Design? → Check Section 2 (Process Standards) and Section 6 (Checklists).
- Creating a Detailed Drawing? → Use Section 3 (GD&T) and Section 1 (Conversions).
- Selecting or Specifying a Material? → Dive into Section 4 (Material Properties).
- Preparing for Production or Quality Audit? → Refer to Section 5 (Quality & Compliance).
Looking for something specific not listed here? Contact our engineering support team for assistance with custom or specialized standards.