ANSI/ASME B1.1 Unified National Thread - UNC Coarse series and UNF Fine series. US and Metric Fasteners - Thread Sizes Printable fastener chart. US Bolts - Tensile Strength and Proof Loads Tensile strength and proof loads SAE bolts. US Hex Bolts - Metric ANSI/ASME B18.2.3M Dimensions ...
relationship between the torque required to tap (solid black line) and the strength of the tapped hole (dashed line). When We accept the 75% percent of thread the average drill chart hands us, we're subjecting our poor taps to a huge amount of additional torque for very little extra ...
A good one will have a small notch at the bottom of each V so the point of the tool won't bottom out before the sides contact. The cheap imports omit the notch, something you can fix with a jeweler's saw or a fine hacksaw blade. On the back of the gage is usually a chart of...
As of this date, the article above is no longer available. Go to the end of the thread for a short post on breather tubes. "The greatest mental derangement is to believe things because we want them to be true, not because we observe that they are in effect." --Jacques-Bénigne Bossue...
Please see the Tolerance Chart within the Mass Standards Handbook for the specific tolerances of each weight in any given class. Construction and General Shape Weights 500 mg and lower are made of sheet metal and are one-piece construction with one side turned up to make them easy to handle ...