Data Tables & Limits
Engineering reference tables for standard dimensions, material limits, fits, tolerances, fasteners, bearings, surface finishes, and other commonly used mechanical design data.
This engineering reference collection contains 17 reference resources covering commonly used technical data, standards, formulas, and engineering information.
Data Tables & Limits References
Browse the available engineering reference resources.
AWG Wire Size Chart & Ampacity
Standard AWG sizes, cross-sectional areas, diameters, electrical resistance, and maximum ampacity tables for electrical wiring.
Bearing Reference
Engineering bearing reference covering types, standard dimensions, designation systems, seals, and load capacities.
General Engineering Reference Data & Constants
Comprehensive compilation of essential engineering constants, material properties, and technical reference data for design calculations.
Limits and Fits Reference
ISO 286 limits and fits calculator tables, clearance, transition, and interference fit standards for shafts and holes.
Galvanic Series of Metals
Galvanic corrosion chart showing the anodic and cathodic relationships of metals in seawater and harsh environments.
IP Rating Chart
Complete IP rating chart explaining solid particle and liquid ingress protection standards for electrical enclosures and hardware.
Machining Parameters & Speeds and Feeds Chart
Standard cutting speeds, feed rates, and machining parameters for turning, milling, and drilling various metals and alloys.
Metric Thread Chart
Standard ISO metric thread sizes, pitch dimensions, and recommended tap drill sizes for mechanical fasteners.
O-Ring Size Chart
Standard AS568 O-Ring size chart including inner diameters (ID), cross-sections (CS), and dimensional tolerances for sealing applications.
Pipe Schedule Chart
Nominal Pipe Size (NPS) dimensions, Schedule 40, Schedule 80 wall thicknesses, and outside diameters for industrial piping.
Plastic & Polymer Materials
Engineering plastics, polymer identification codes, melting points, and typical mechanical properties for manufacturing.
Sheet Metal Gauge Chart
Standard sheet metal gauge chart for steel, aluminum, and galvanized steel with thickness conversions in inches and millimeters.
Standard Keyway Dimensions
Standard shaft keyway dimensions, tolerances, and key sizes for mechanical power transmission components.
Steel Grade Equivalents
Cross-reference chart for international steel standards and material grades including ASTM, DIN, and EN specifications.
Structural Steel Profiles
Dimensions and section properties (area, moment of inertia) for square, rectangular, and circular hollow structural sections.
Surface Roughness Chart
Surface finish conversion chart comparing Ra, Rz, RMS, and N-grade values for machining and manufacturing processes.
UNC & UNF Thread Chart
Unified National Coarse (UNC) and Fine (UNF) thread dimensions and tap drill size charts for imperial fasteners.