Unit 2

Spacers & washers

• Sometimes used in machinery.
• Used in situations where components need to be separated on a shaft, such as on a bicycle gears where it is sometimes necessary to put a spacer to separate the gears.
• Come in various materials e.g. HDPE, nylon, steel.
• Can also be used as spacers, anti-vibration devices and locking devices.

Screws

• Often used as part of a temporary joint.
• Machine screws used for engineering and woodscrews used…