What this page is. This page is an index. It lists each chart, what it covers and where it applies; the technical content, its sources, revision and stated limits are given on the chart’s own page. Sources, methods and updates.
89 charts, grouped by what you are looking for.
Threads & fasteners · 15
Look up a thread size, its pitch and minor diameters, or the tap drill for it.
- Allen Wrench Sizes
- BSP Thread Chart
- Keyway Dimensions — Parallel Key Reference
- Metric coarse thread sizes
- Metric fine thread sizes
- Metric Thread Sizes & Pitch Comparison
- Nail Size Chart
- NPT Pipe Thread Sizes
- Nut Dimensions
- Screw Size Chart
- Thread Size Charts & Tap Drill Sizes
- UNC thread sizes
- UNEF thread sizes
- UNF thread sizes
- Washer Sizes
Materials · 15
Machining data and properties for steels, stainless, aluminium, cast iron and superalloys.
- Aluminium Grades Chart
- Boiling Point Chart
- Coefficient of Friction Chart
- Density Chart
- Specific Heat Capacity Chart
- Heat Transfer Coefficient Chart
- Insulation R-Value Chart
- Material Compatibility — Galvanic Series
- Plastic Chemical Compatibility Chart
- Plastic Service Temperature Chart
- Steel Grades Chart
- Stress-Strain Properties Chart
- Thermal Conductivity Chart
- Thermal expansion coefficients — keep the interval
- Viscosity Chart
Sizes & dimensions · 26
Gauge charts, standard sizes and dimensional tables.
- Angle Iron Sizes
- Bearing Sizes
- Belt Sizes
- Board Foot Chart
- C-Channel Sizes
- Roller Chain Sizes
- Drill Size Chart
- End Mill Sizes
- Flange Dimensions
- Gear Pitch Chart
- H-Beam Sizes (Metric)
- I-Beam Sizes (S-Shape)
- Lumber Sizes — Nominal vs Actual
- O-Ring Sizes (AS568)
- Pipe Schedule Chart
- Plywood Thickness Chart
- Rebar Size Chart
- Rectangular Tube Sizes
- Round Tube Sizes
- Section Properties — Moment of Inertia & Section Modulus
- Sheet Metal Gauge Chart
- Spring Dimensions
- Square Tube Sizes
- Steel Beam Sizes
- Steel Plate Sizes
- Find a tapping drill
Tolerances & finishes · 13
ISO 286 grades, fits, surface finish and GD&T.
- Check coating thickness and dimensional growth
- Start with the fit you need to understand
- Find the geometric control on your drawing
- Calculate clearance from hole and shaft limits
- Read an ISO 2768 drawing note without mixing editions
- Specify plastic dimensions with a conditioning state
- Surface quality: markings, units and measurement
- Which roughness conversions are valid?
- Read a surface-texture symbol in its edition
- Read thread tolerance classes
- Read an IT width and a tolerance-zone position
- Find the applicable weld acceptance requirement
- Weld Symbols Chart
Electrical · 13
Conductor ampacity and current-carrying capacity.
- Wire Ampacity Chart
- Box Fill Chart
- Breaker Sizes Chart
- Cable Sizes — Conductor Dimensions
- Conduit Fill Chart
- Electrical Resistivity Chart
- Grounding Conductor Size Chart
- Motor Frame Sizes
- Motor Full-Load Current Chart
- NEMA Enclosure Types
- Transformer kVA Chart
- Wire Gauge (AWG) Chart
- Wire Insulation Types
Conversion & reference · 7
Unit conversions, formulas and reference tables.