In any list of instuctions
The flange and bolt chart is used to give us the diameters and their bolt circles.
he diameter of the bolt.
no
A bolt is a screw I think.
Proofhouse.com has a store brand chart.
Stud bolts are the ones with no head, only the bolt itself you can fast'em with vise grips or with nuts. Machine bolts are the ones that you need a wrench to fast it(you put the wrench in the head).
how much are they
It is a type of Nut and Bolt
A wrench is a wheel because when put over a bolt it spins like a wheel. The bolt would be the axle. A wrench is a wheel and axle simple machine.
Proofhouse.com has a store brand chart that might help.
The bolt is in the closed (forward) position when the weapon fires, as opposed to an open bolt, in which the bolt is in the open (rearward) position when the weapon fires. Rifles are typically closed bolt weapons, whereas belt fed machine guns usually fire from the open bolt (one exception to this is the belt fed machine guns based on the HK91/93 platform, such as the HK11 and HK21).
Improvement in Bolt Threading Machine, 1870.