Bolt Torque and Friction Coefficient Reference
Review an advisory torque reference for common fastener finishes and lubricants, and learn why torque alone cannot prove clamp load.
Engineering
Welcome to the “Engineering” category, your one-stop destination for all things related to mechanical engineering. This section of our blog features articles covering the fundamentals, breakthroughs, and cutting-edge developments in the world of engineering. We explore the complexities of machines, systems, and technologies that form the backbone of modern society, offering insights and inspiration for engineers, students, and enthusiasts alike. Immerse yourself in the captivating world of engineering, and join us as we delve into the innovative solutions and ingenious designs that drive progress and shape our future.
Soft Solder Alloy Properties Chart
Compare selected soft solder alloys by composition, solidus and liquidus temperatures, and reported lead content using manufacturer-published values.
Minimum Punched Hole Size by Sheet Thickness
Use manufacturer guidance to estimate minimum round punch diameters from sheet thickness, material, and whether the tooling is fully guided.
Machining Process Achievable Tolerance Grades
Compare supplier-published economic tolerance-grade ranges for common machining processes, with guidance on interpreting ISO IT grades and choosing drawing tolerances.
Metal Density and Specific Gravity Chart — Steel, Aluminum, Iron, Zinc and More
Approximate metal density and specific gravity references for steel, aluminum, cast iron, lead, nickel, zinc, silver, and gold.
Dimensional Inspection Report Template: Free Excel Download and Workflow
Download a macro-free Excel report template with instructions, formulas, synthetic examples, and a clear distinction from AS9102 forms.
How to Extract Dimensions and Tolerances from an Engineering Drawing
Compare manual, native-text, OCR, and hybrid methods, then preserve source callout, tolerance, location, reviewer state, and revision.
Engineering Drawing OCR: Why Dimensions and GD&T Are Hard to Read Automatically
Understand native PDF text, vector outlines, raster scans, symbol errors, grouping, benchmark limits, and why reviewers must verify each callout.
Automatic Drawing Ballooning: What Software Can and Cannot Reliably Do
See what automatic drawing ballooning can do, where it fails, and how to test review quality, report linkage, revision handling, and data paths.
How to Balloon Drawing Notes, General Tolerances, and Surface-Finish Requirements
Work through general tolerances, hole patterns, threads, surface finish, GD&T, deburring, and certificate evidence without double-counting requirements.