Metricthread angle

Pg thread usage is trying to be phased out in continental Europe. A new metric thread standard (EN 50262) will be phased in as mandatory beginning on March 1, 2001 replacing the Pg thread. There was a different standard for electrical conduit threads based on the 55° Whitworth thread form. That standard has been made obsolete. An unofficial survey of UK gage makers done May 2010 found that most did not know EN 50262 existed as a standard. One gage maker did know about the standard, but had made no gages to that standard.

The spray form process imparts a more homogeneous structure with improved carbide distribution and a preferred spherical carbide shape.

Buttressthread angle

PSB38 is a premium Spray Form High Speed Steel with a similar chemical composition to M2. It is ideal for many high speed applications providing improved toughness and higher wear resistance than conventional M2.

PM32CO is a Particle Metallurgy Super High Speed steel with excellent hot hardness along with good wear resistance and toughness.

Acmethread angle

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It is a molybdenum-tungsten high speed steel and is a tough general purpose high speed steel with high cutting efficiency and excellent finishing properties.

The High Speed Steel grades below are generally available from stock. The technical data sheets for each grade are available for download.

It is a molybdenum type high speed steel designed with higher carbon and vanadium to provide higher hardness after heat treatment and improved wear resistance compared to M1 high speed steel.

M2 is the most popular grade of high speed steel worldwide and commonly used in a wide variety of cutting tools and metal forming applications.

Thread angle chartmetric

High Speed steels are highly alloyed steels designed to cut other materials efficiently at high speeds while withstanding the extreme heat generated at the tools cutting edge.

M50 is a general purpose high speed steel with a good balance of toughness, wear resistance, and red hardness. M50 is used for metal cutting, wood and plastics cutting and cold work tooling.