Square Head Bolts are generally used for ______

Explanation:

A cylindrical piece/job with a head on one side and threaded length on the other side is called a bolt.

The function and purpose of a bolt decide the shape of the head of the bolt. The bolt is used along with the nut to tighten two parts.

The different types of bolts generally used:

• Hexagonal headed bolt: the shape of the head is hexagonal. It is most common for of bolt and widely used in machines and the engineering works to tighten two or more parts together.
• Square-headed bolt: It is also a common form of the bolt and is generally used where the head of the bolt is to be accommodated in a recess (inadequate space). The recess is also made of square shape so that the bolt is prevented from turning when the nut is screwed on or off.
• Cylindrical or Cheese headed bolt: It Is used when the space for accommodating the bolt-head is comparatively limited or where the use of a spanner for holding and at the same time screwing off or on is to be avoided.
• Cup or Rounded headed bolt: It is used largely in tank construction and in certain parts of locomotives construction. The cup headed bolt is provided with a square neck.