Thread & Engineering Standards is your go-to resource for engineering and industrial standards, covering a wide range of specifications related to threads, fasteners, materials, surface treatments, tolerances, and more. Our goal is to provide precise, structured, and easily accessible information for engineers, manufacturers, and professionals in the mechanical industry.

Explore Our Standards

Below, you will find the main categories of standards available on our site. Each category contains subcategories that provide more detailed information.

1️⃣ Thread Standards

Threads are essential for fastening and motion applications. This section covers various thread types used in mechanical and industrial applications.

• Metric Threads – Covers ISO and DIN metric thread standards.
• Inch-Based Threads – Includes UNC, UNF, BSW, and other inch-based threads.
• Pipe Threads – Details BSP, NPT, and other pipe thread standards.
• Trapezoidal & Square Threads – Used in power transmission systems.
• Special Threads – Covers Buttress, Knuckle, and other unique thread types.

2️⃣ Fasteners

Fasteners play a crucial role in assembling mechanical components. Learn about different types of fasteners and their standards.

• Bolts & Screws – Includes metric and inch bolt and screw specifications.
• Nuts & Washers – Covers nuts, washers, and their material properties.
• Rivets & Pins – Details various types of rivets and pins used in industry.

3️⃣ Material & Strength Standards

Material selection and strength classifications are vital in engineering applications. This section covers:

• Steel Grades – Includes classifications such as ASTM, DIN, and SAE.
• Aluminum & Non-Ferrous Metals – Covers aluminum, copper, and other materials.
• Heat Treatment Standards – Discusses tempering, hardening, and annealing processes.

4️⃣ Surface Treatment

Surface treatments enhance corrosion resistance and mechanical properties. Learn about:

• Galvanization & Coatings – Zinc coating and protective treatments.
• Anodizing & Surface Hardening – Covers anodization and hardening techniques.

5️⃣ Bearings & Power Transmission

Power transmission components ensure efficient movement in machines. This section includes:

• Bearing Standards – Covers ball bearings, roller bearings, and more.
• Chains & Sprockets – Includes chain drive and sprocket specifications.
• Belts & Pulleys – Covers belt drive and pulley standards.

6️⃣ Tolerances & Geometric Standards

Precision is critical in manufacturing. This section covers:

• GD&T – Geometric Dimensioning and Tolerancing (ISO 1101, ANSI Y14.5).
• General Tolerances – Includes ISO 2768 and ANSI tolerance specifications.

7️⃣ Piping & Flanges

Pipes and flanges are essential in fluid and gas systems. This section includes:

• Pipe Sizes & Dimensions – Covers standard pipe sizes.
• Flange Standards – Includes ASME and DIN flange specifications.
• Gasket Materials & Specifications – Covers materials used for sealing applications.

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Use our structured navigation system to easily find the standard you need. Click on the categories above or use the search bar to access specific details.

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