Portals

Sourcing

These websites contain information about companies, parts, or materials.

Fabricating.com --- (Website has displayed a placeholder for some time; they may be offline.)

Fasteners Clearing House Sourcing Network --- Search for parts manufacturers and distributors currently have in stock.

Industrial Fasteners Institute — Manufacturer Search

ThomasNet(r) — Product sourcing and supplier discovery platform

TSF Global Fastenting Solutions — (Spain)

Zycon — Industrial directory, engineering resource, and vertical search engine

Engineering

These websites contain information about parts and applications.

ASSIST Quick Search --- Database of military specifications.

ASTM Steel Standards

Comparison of Tool Steel Standards and Specifications --- from West Yorkshire Steel

Engineer's Edge

European Steel and Alloy Grades/Numbers --- Free steel alloy database.

Fasten.it Technical Data --- Database with technical specifications of the products and comparison among DIN, ISO, UNI, AFNOR, EN norms.

MatWeb — Material propery data

Octopart — Search engine for electronic parts

Steel Grade Equivalent --- from DFW Machine

TraceParts — A huge choice of 2D & 3D CAD files, models and drawings.

Trace Parts Online — Free 2D & 3D CAD files, models and drawings of mechanical, electrical & mechatronics part catalogs

Miscellaneous

Irvan-Smith Technical Information ( "How to Measure a Rivet"] is highly relevant.) ===== Forums ===== *[[https://elsmar.com/Forums/ | Elsmar Forums --- ISO Q&A, engineering questions, general business practices.

Finishing.com --- Questions and answers about finishing; they also have a technical library which is useful.