Metric ISO threaded holes Nominal diameter of the threads Drill/hole diameter Pitch M3 2,5 mm 0,5 mm M4 3.3 mm …
Read more
Category: Tables
Energy value of several fuels
The lower heating value (also called energy value, or heat of combustion, or calorific value) is the energy (heat) produced …
Read moreFriction coefficients
Material Static Dynamic or rolling Steel on steel 0.74 0.57 Steel on steel lubricated 0.11 0.05 Aluminum on steel 0.61 …
Read more