170 material data sheets, 111 thread pages, 199 size, tolerance and conversion charts, and 27 calculators.
Published sources and formulas are listed with each dataset. Check the stated revision and material condition before using a value.
Start typing in the search box above — try 1/4-20, 4140, #7 or M10.
Type any of these into the search box, or click through to the page. Each one is a real example, not a category.
1/4-20Pitch diameters, minor diameters, tap drill and the ISO 898-1 tensile stress area4140Machinability rating, cutting speeds, hardness and the 42CrMo4 equivalentH7/g6What the fit designation means and which joints it is used onM10x1.5Coarse and fine pitch side by side — and why M10x1.25 is strongerbar to psi93 conversion factors, each marked exact or approximateL10Bearing life from load rating and speed, in revolutions and hoursLook up a thread size, its pitch and minor diameters, or the tap drill for it.
ISO 1832 turning insert designations decoded — shape, clearance, tolerance and dimensions.
See all →Machining data and properties for steels, stainless, aluminium, cast iron and superalloys.
Gauge charts, standard sizes and dimensional tables.
ISO 286 grades, fits, surface finish and GD&T.
Conductor ampacity and current-carrying capacity.
Unit conversions, formulas and reference tables.
Interactive tools that compute rather than list.
42CrMo4 finds the 4140 page, #7 finds the drill chart.This site uses Google Analytics to count visits and see which pages are useful. It sets cookies only if you agree. See the privacy policy.