Plain Color DIN6921 Stainless Steel Bolts , Hex Flange Bolt With
Stainless steel hexagonal flange bolts, made of stainless steel
material, the standard is DIN6921. Flange bolts are made of
hexagonal head and flange. They are used to fasten and connect the
through hole parts of two bolts. According to the position of
flange bolts, the size and requirements of discs are different, and
the anti-slip effect of flattened teeth and teeth are also
included. The surface color is of color. It can also be divided
into white, green, yellow and corrosion resistant Dacromet coatings
according to different needs. The company operates fasteners for
many years, has rich experience, high quality, and has a
professional testing agency, providing relevant testing
certificates, and can be customized according to customer needs and
drawings. Customers are welcome to come to consult and buy.
|Item Weight||it depends on length|
The head of hexagonal flange bolt is composed of hexagonal head and
flange face. The word ratio of support area to stress area of
hexagonal head bolt is larger than that of ordinary hexagonal head
bolt. Therefore, this kind of bolt can withstand higher preload and
has better anti-loosening performance. Therefore, it is widely used
in automobile engines, heavy machinery and other products. Bolts
with holes and grooves in the head of hexagonal head can be locked
by mechanical method in order to prevent loosening and reliability.
1 Flange connections may have to withstand high tensile,
compressive, torsional, and shear strength. Carbon steel flanges
are a good choice. The nominal pressure is determined not only
according to the highest working pressure, but also according to
the highest working temperature and material characteristics, not
just the nominal pressure greater than the working pressure.
2. A flange is a connection between two large diameter pipes,
usually two flanges plus a number of fastening bolts. Carbon steel
flanges are flanges made of carbon steel. Low-carbon steel has good
plasticity and low strength. When a proper amount of carbon is
added, it becomes hard and the plasticity is reduced.
5.Specification for bolts with six angles and flanges
GB/T5789-1986 six angle flange face bolts increase B series.
GB/T5790-1986 six angle flange face bolts increase series thin rod
GB/T16674.1-2004 six angle flange face bolts small series
GB/T16674.2-2004 six angle flanges bolts, thin teeth series
Six angle flange face bolts national standard GB/T16674.2-2004
The specification of thread is M8*1-M16*1.5, fine thread,
performance grade is 8.89.8 10.9 12.9 and A 2-70, product grade is
A small hexagonal series fine teeth.
Marking method according to GB/T1237 regulations
Thread specification d=M12*1.25, fine thread, nominal length
L=80mm, F or U type selected by the manufacturer, performance grade
8.8, surface oxidation, product grade A small hexagonal series
hexagonal flange face bolt marking
Bolt GB/T16672.2 M12 * 1.25 * 80