Machine Screw Type:Machine ScrewDefinition:Machine screws are
typically designed with finer, more accurate threads than
alternative fastener types. They are generally intended for use
with a pre-drilled interior tapped hole or a nut. Machine screws
are most often used for fastening metal parts securely together in
various types of machinery or
construction.Description: Machine Screws are usually threaded
to preexisting holes. One significant difference between the
machine screws and tapping screws is that the machine screws are
typically used in threaded holes. But like most other types of
screws available in the market, these can create a hole when you
drive them into the material. Machine screw dimensions are given
with two numbers separated by a dash. The first number indicates
the screw's diameter the second indicates thread pitch. A screw
labeled "3/8 - 16" will have a diameter of 3/8 of an inch, with 16
threads per inch.Machine Screw has Nominal Diameter, Pitch, Pitch
Diameter, Minor Diameter, Thread Angle and Thread Length, they have
to be confirmed before the start of production.Application:The two
most commonly used machine screw types have either coarse or fine
threads. Coarse threads are better suited to quick and dirty
applications, while fine threaded screws are better for precise
products. The most common types of machine screw head shapes are
pan head, flat head, round head, oval head, truss head and hex
head. While round heads are probably used most often, flat heads
are particularly useful when the screw needs to be flush with the
surface it's screwed into.Others:The American Society of Mechanical
Engineers (ASME) defines machine screws as featuring a diameter of
up to 0.75 inches. They can be smaller than 0.75 inches in
diameter, but they can't be larger than this size.Feel Free to
contact us if you have any questions. /* March
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