Bolts：a kind of fastener composed of head and screw (cylinder with external thread). It needs to be matched with nut to fasten and connect two parts with through holes.It is mainly used in important places with high assembly accuracy and subject to large impact, vibration or variable load. According to the size of head support area and installation position, it can be divided into hexagonal head and large hexagonal head; Varieties with holes on the head or screw are used when locking is required.
Tail end details：The tail end is smooth, the mechanical texture is good, the use is time-saving and labor-saving, easy to operate and does not slip teeth; Manufacturing process: 304 has good mechanical properties such as rust resistance, corrosion resistance and heat resistance; Deep thread: deep thread, uniform pitch, clear thread, uniform stress and good tightening force; Standard hexagon: standard outer hexagon, uniform stress, not easy to slip, smooth inside and outside, easy to install, even if it is screwed by hand.
Tail end details：The tail end is smooth, the mechanical texture is good, the use is time-saving and labor-saving, easy to operate and does not slip teeth; Manufacturing process: 304 has good mechanical properties such as rust resistance, corrosion resistance and heat resistance; Deep thread: deep thread, uniform pitch, clear thread, uniform stress and good tightening force; Standard hexagon: standard outer hexagon, uniform stress, not easy to slip, smooth inside and outside, easy to install, even if it is screwed by hand.
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