Metric Micrometer Accuracy Tolerances
A model-specific reference to selected Mitutoyo Series 293 micrometer ranges and accuracy specifications.
Engineering
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Beryllium Copper Wrought Alloy Properties
Selected age-hardened Alloy 25 rod and bar properties from Materion, with condition and temperature notes.
Metric Bearing Housing Fit Classes
SKF housing tolerance classes for selected metric radial ball and roller bearing conditions.
E70XX Stick Welding Current Ranges
Manufacturer-listed current ranges for three named E70-series stick electrodes, with diameter and current type.
Copper and Copper Alloy Classification
A quick reference to wrought and cast copper-alloy UNS family ranges and what a designation does—and does not—tell you.
PVC Schedule 40 Pipe Pressure Rating by Size and Temperature
Charlotte Pipe Schedule 40 PVC pipe maximum working pressure ratings for nominal sizes from 1/2 to 16 inches.
Surface Plate Flatness Tolerance Grades
Overall and local flatness tolerances for rectangular granite surface plates, in microinches.
Gas Valve Flow Coefficients and Formulas
Simplified gas valve flow equations with pressure-ratio limits, absolute pressure, temperature and gas specific gravity.
Metric Bearing Shaft Fit Classes
SKF recommended metric shaft tolerance classes for selected radial bearings and rotating inner-ring loads.
Bevel Gear Dimension Formulas
Geometry formulas for straight bevel gear pairs on intersecting shafts, with unit and profile limits.