Screw: meaning, definitions and examples

A screw is commonly used to attach objects together or fasten objects to surfaces. It often requires a screwdriver to install or remove and can either be inserted into wood, metal or plastic.

• The picture frame was hung on the wall using a screw
• I need to replace the loose screw in my chair

A bolt is typically used in construction and machinery to hold components together. It usually requires a nut to be fastened and can be tightened using a wrench or spanner.

• The mechanic tightened the bolts on the car's engine
• Make sure the bolts are secure before starting the machine

A fastener is a general term that refers to various devices like screws, bolts, nuts, or nails used to hold materials together. It is commonly used in engineering and construction contexts.

• We need the correct fasteners to complete the assembly
• There are different types of fasteners for various applications

A nut and bolt are used together in construction and mechanical projects to join parts. The bolt is a type of screw while the nut is threaded, and both are used together to provide a strong and secure hold.

• Ensure you have both nut and bolt of the same size for the assembly
• The furniture was assembled using several nut and bolt pairs

Used to describe the action of turning a screw into something to hold it in place.

• I need to screw this shelf into the wall

Used for making something secure or fixed in a general sense, can refer to belts, buttons, or safety harnesses.

• Please fasten your seatbelts

Used to describe making something tighter or more firmly fixed, often with bolts or screws.

• You need to tighten the bolts on this chair

Used to describe the action of making something safe or preventing it from moving.

• Make sure to securely lock the door before you leave