A mandrel is a shaft or bar that is inserted into a hole in your work to hold it in place during machining.

Types of Mandrels

• Expanding mandrels are slightly tapered with an expandable wedge for holding your work.

• Plain mandrels are hardened with tempered steel bar-holding mechanisms.

• Nut mandrels are straight mandrels with a thread at one end.

Use of Mandrels

• Lathes

• Jewellery making for forming the perfect shape

• Tube bending and formation

• Mounting s gear blank or pulley between centres