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What is Bolt?

bolt is a form of threaded fastener with an external male thread. A bolt is a type of fastener which is used to join more than two parts together. The bolts join the part non- permanently, any time you can separate joint parts by using an appropriate tool. Nuts are also used on the bolts so as to make the fastening process more effective.

what is bolt

Parts Of The Bolt

Head: The upper portion of the bolt is called the head. The head may have different shapes. The shape of the head depends upon the purpose for which the bolt is required.

Shank: The cylindrical portion of the bolt is called the shank. The tail end of the bolt is threaded to a sufficient length so that a nut can be engaged on it. 

Specification Of The Bolt

If You Want To Completely Specify A-Bolt, You need Following Information,

1) Shape or form of the thread

2) Pitch on the bolt

3) Shape of the head

4) Outline of the body, barrel, and stem

5) Size or diameter

6) Direction of the thread as right-handed or left-handed

7) Length

8) A material of steel, brass, aluminium, brass, copper alloy, plastic, steel, hardened steel, stainless steel, and titanium. The selection of materials for the making of the bolt depends upon where it is going to be used.

Dimensions Of The Bolt

Types Of The Bolts

1) Anchor bolt 

2) Carriage bolt 

3) Elevator bolt 

4) Flange bolt 

5) Hanger bolt 

6) Hexagon bolt

7) Lag bolt 

8) Machine bolt 

9) Plow bolt 

10) Sex bolt 

11) Shoulder bolt 

12) Square head bolt 

13) Stud bolt 

14) Timber bolt 

15) T-head bolt 

16) Toggle bolt 

17) U-bolt 

18) J-bolt

19) Eye bolts

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