Guides

Mechanical Design Data and Machine-Element Reference: Pulley Groove Geometry

Engineering handbook for mechanical design data and machine-element reference, covering pulley groove geometry — key dimensions, key terms glossary, shafts,...

Mechanical Design Data and Machine-Element Reference: Single-Phase Motor Type Comparison

Engineering handbook for mechanical design data and machine-element reference, covering single-phase motor type comparison, circlip type comparison, seal lip...

Mechanical Design Data and Machine-Element Reference: Sprocket Modifications and Specials

Engineering handbook for mechanical design data and machine-element reference, covering sprocket modifications and specials, couplings, preamble.

Mechanical Design Data and Machine-Element Reference: The Ramirez Postscript

Engineering handbook for mechanical design data and machine-element reference, covering the ramirez postscript, your next step, rolled steel sections.

Mechanical Design Data and Machine-Element Reference: The the source manufacturing plant Disaster

Engineering handbook for mechanical design data and machine-element reference, covering the agitation: the cost of getting machine elements wrong is measured in...

Machine Design14 Aug 2026 · 11 min read

Mechanical Design Data and Machine-Element Reference: The Three-Piece Clearance Design

Engineering handbook for mechanical design data and machine-element reference, covering the three-piece clearance design, what actually creates clamping force,...

Mechanical Joint and Fastener Selection: Bolts, Screws, Nuts, Washers, Nails, Spikes, and Wood Screws

Engineering handbook for mechanical joint and fastener selection, covering bolts, screws, nuts, washers, nails, spikes, and wood screws — from first principles...

Mechanical Joint and Fastener Selection: Metric Fastener Designation

Engineering handbook for mechanical joint and fastener selection, covering metric fastener designation, rivets and riveted joints — the original permanent...

Mechanical Joint and Fastener Selection: Metric Fasteners

Engineering handbook for mechanical joint and fastener selection, covering metric fasteners — the global standard, coordination with iso standards, metric bolt...

Mechanical Joint and Fastener Selection: SAE and ASTM Grade Identification Marks

Engineering handbook for mechanical joint and fastener selection, covering sae and astm grade identification marks, nut grades (sae j995), detecting counterfeit...

Machine Design14 Aug 2026 · 14 min read

Mechanical Joint and Fastener Selection: Six Rules to Stop Bolt Fatigue Failure

Engineering handbook for mechanical joint and fastener selection, covering six rules to stop bolt fatigue failure, a new kind of problem, two methods, two mindsets.

Mechanical Joint and Fastener Selection: Wing Screws

Engineering handbook for mechanical joint and fastener selection, covering wing screws, lock wire procedure: safety-wiring critical fasteners, rules for lock...

Metal Casting Materials, Processes and Selection: Gray Cast Iron

Engineering handbook for metal casting materials, processes and selection, covering gray cast iron, white cast iron, chilled cast iron.

Manufacturing14 Aug 2026 · 9 min read

Metal Casting Materials, Processes and Selection: Investment Materials

Engineering handbook for metal casting materials, processes and selection, covering investment materials, real-world application: casting milling cutters,...

Metal Casting Materials, Processes and Selection: Master Mold for Dispensable Patterns

Engineering handbook for metal casting materials, processes and selection, covering master mold for dispensable patterns, shrinkage allowances for investment...

Manufacturing14 Aug 2026 · 23 min read

Metal Casting Materials, Processes and Selection: PRECISION INVESTMENT CASTING

Engineering handbook for metal casting materials, processes and selection, covering precision investment casting — the lost-wax revolution, the bold claim:...

Metal Casting Materials, Processes and Selection: Two Categories

Engineering handbook for metal casting materials, processes and selection, covering two categories, engineering grades of low-alloy steel castings,...

Metal Casting Materials, Processes and Selection: White Cast Iron

Engineering handbook for metal casting materials, processes and selection, covering white cast iron — hard as nails, brittle as glass, properties at a glance,...

Metal Casting Materials, Processes and Selection: Why This Guide Exists

Engineering handbook for metal casting materials, processes and selection, covering context and scope, why this guide exists, pattern making — where every...

Manufacturing14 Aug 2026 · 16 min read

Metal Cutting Processes: Mechanical, Thermal and Arc Methods: Cast Iron

Engineering handbook for metal cutting processes: mechanical, thermal and arc methods, covering cast iron: the chemistry problem, plasma arc cutting: speed,...

Metal Cutting Processes: Mechanical, Thermal and Arc Methods: The Technical Guide

Engineering handbook for metal cutting processes: mechanical, thermal and arc methods, covering the technical guide, a machine shop foreman, a blown die, and the...

Metal Cutting Processes: Mechanical, Thermal and Arc Methods: Variables That Affect Plasma Cutting

Engineering handbook for metal cutting processes: mechanical, thermal and arc methods, covering variables that affect plasma cutting, noise and fume reduction,...

Manufacturing14 Aug 2026 · 15 min read

Metal Surface Treatment, Conversion Coatings and Plating: Magnesium Anodic Treatment

Engineering handbook for metal surface treatment, conversion coatings and plating, covering magnesium anodic treatment — mil-m-45202c, tin-lead — mil-p-81728a,...

Metal Surface Treatment, Conversion Coatings and Plating: the practitioner

Engineering handbook for metal surface treatment, conversion coatings and plating, covering the practitioner: "we've always done it this way", act i: the...

Machine Design14 Aug 2026 · 9 min read

Metric Bolts, Screws and Nuts: Selection and Specification: Complete Dimensional Table

Engineering handbook for metric bolts, screws and nuts: selection and specification, covering complete dimensional table — metric hex jam nuts, jam nut thickness...

Machine Design14 Aug 2026 · 19 min read

Metric Bolts, Screws and Nuts: Selection and Specification: Letter Symbol Convention

Engineering handbook for metric bolts, screws and nuts: selection and specification, covering letter symbol convention, metric nut tops and bearing surfaces,...

Metric Bolts, Screws and Nuts: Selection and Specification: Recommended Bolt and Nut Strength Grade Combinations

Engineering handbook for metric bolts, screws and nuts: selection and specification, covering recommended bolt and nut strength grade combinations, finish...

Metric Bolts, Screws and Nuts: Selection and Specification: What You Will Find in This Guide

Engineering handbook for metric bolts, screws and nuts: selection and specification, covering what you will find in this guide, ansi-iso coordination: why your...

Machine Design14 Aug 2026 · 11 min read

Metric M Screw Threads: Profile, Designation and Tolerances: External Metric Thread

Engineering handbook for metric m screw threads: profile, designation and tolerances, covering external metric thread — m profile limiting dimensions (table 13),...

Metric M Screw Threads: Profile, Designation and Tolerances: Limiting Dimensions

Engineering handbook for metric m screw threads: profile, designation and tolerances, covering table 11: pitch-diameter tolerances (td₂), limiting dimensions —...

Machine Design14 Aug 2026 · 24 min read

Metric M Screw Threads: Profile, Designation and Tolerances: The Bolt That Almost Killed a Bridge

Engineering handbook for metric m screw threads: profile, designation and tolerances, covering the bolt that almost killed a bridge, the foundation: iso 68 basic...

Metric M Screw Threads: Profile, Designation and Tolerances: the practitioner

Engineering handbook for metric m screw threads: profile, designation and tolerances, covering the definitive engineering reference you'll use for the rest of...

Machine Design14 Aug 2026 · 13 min read

Miniature and Interference-Fit Threads: Internal Thread Dimensions for Class 5 Interference-Fit Threads

Engineering handbook for miniature and interference-fit threads, covering internal thread dimensions for class 5 interference-fit threads, table 2: internal...

Miniature and Interference-Fit Threads: The Watchmaker's Nightmare

Engineering handbook for miniature and interference-fit threads, covering context and scope, the watchmaker's nightmare: when "close enough" isn't, unified...

Engineering Mathematics14 Aug 2026 · 14 min read

Mixed Numbers, Improper Fractions and Compound Fractions

Handbook guide to mixed numbers, improper fractions and compound fractions, with rules, worked examples, verification, common errors and practical.

Engineering Mathematics14 Aug 2026 · 14 min read

Mixture and Concentration Problems

Handbook guide to mixture and concentration problems, with rules, worked examples, verification, common errors and practical engineering applications.

Engineering Mathematics14 Aug 2026 · 14 min read

Modelling Unknown Quantities with One Variable

Handbook guide to modelling unknown quantities with one variable, with rules, worked examples, verification, common errors and practical engineering.

Module Rank, Finite Generation and Structure over Principal Ideal Domains

Module theory has several analogues of vector-space dimension. Rank, finite generation, torsion and the structure theorem over a principal ideal domain capture different aspects…

Engineering Mathematics14 Aug 2026 · 8 min read

Modules and Algebras

Handbook guide to Modules and Algebras, covering core definitions, key results, formulas, reasoning methods and worked examples in graduate abstract algebra.

Modules over Noncommutative Rings and Algebra Representations

A representation of an algebra is a module over that algebra. Simple modules, invariant subspaces, composition series and endomorphism rings provide the language for decomposing…

Engineering Mathematics14 Aug 2026 · 11 min read

Modules over Principal Ideal Domains

Handbook guide to modules over principal ideal domains, covering definitions, key results, methods, verification checks and worked examples.

Engineering Mathematics14 Aug 2026 · 9 min read

Modules, Algebras and Module Homomorphisms

Handbook guide to modules, algebras and module homomorphisms with core definitions, structural results, reasoning methods and verification checks.

Modules, Free Modules and Direct Sums

Modules generalise vector spaces by allowing scalars from a ring rather than a field. This introduces free modules, generators, submodules, quotient modules and module homomorph…

Engineering Mathematics14 Aug 2026 · 12 min read

Modules, Submodules and Exact Sequences

Handbook guide to modules, submodules and exact sequences, covering definitions, key results, methods, verification checks and worked examples.

Monodromy Groups of Multi-Valued Functions

Guide to converting continuation around loops into permutations of branches and defining the resulting monodromy group independently of sheet labels.

Motion-Control Systems: Precision, Power and Performance: A Machine Tool Slide Drifted 0.003 Inches

Engineering handbook for motion-control systems: precision, power and performance, covering a machine tool slide drifted 0.003 inches — and scrapped an entire...