Difference Between Bolt And Screw

Bolt Bolt has an external thread at the lower end.

Bolt Bolts are always assembled with nuts.

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Bolt It has uniform cross-section..

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Bolt The threads are spiral in shape..

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Bolt THoles are required for inserting the bolts.

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Bolt Always fixed at a single position and do not need to be turned.

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Bolt Torque is applied to the nut for fastening with the material.

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Bolt Bolts are larger in size..

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Bolt It possesses a greater strength.

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Bolt Bolt has an external thread at the lower end.

Screw Screw has no external thread except one head.

Bolt Bolts are always assembled with nuts.

Screw Screws are always used by itself.

Bolt It has uniform cross-section..

Screw It has non-uniform cross-section.

Bolt The threads are spiral in shape..

Screw The threads are helical in shape.

Bolt THoles are required for inserting the bolts.

Screw Usually, screws are inserted without any holes..

Bolt Always fixed at a single position and do not need to be turned.

Screw Being turned every time to be joined or to be removed.

Bolt Torque is applied to the nut for fastening with the material.

Screw Torque is applied to the head.removed.

Bolt Bolts are larger in size..

Screw Screws are smaller than bolts.

Bolt It possesses a greater strength.

Screw It gives less strength than the bolt.