| CLICK HERE FOR INDEX PAGE | |
| NUTS AND BOLTS (2) | |
| V. Ryan © 2003 - 2022 | |
| PDF FILE - NUTS AND BOLTS - BOX LEARNING EXERCISE | |
| The countersunk machine screw fits level with the surface of the wood/metal/plastic. A screwdriver is used to keep the bolt still whilst the wing nut is tightened by hand. | |
 |
|
| The diagrams below - The dotted lines show the clearance hole, through which the bolt passes. It should be slightly larger than the diameter of the bolt. As a general rule, it should be 10% larger. | |
 |
|
 |
|
| MACHINE SCREW - ROUND HEAD | |
A plain washer prevents the nut sinking into the surface of the wood/plastic/metal If there is a need to prevent A nut and bolt loosening a spring washer is used. |
|
 |
|
| MACHINE SCREW - PAN HEAD | |
 |
|
 |
|
| QUESTIONS: 1. Draw an example of the use of one of the bolts seen above. Add explanatory notes. |
|
|
PDF FILE - CLICK HERE FOR PRINTABLE VERSION OF EXERCISE SEEN BELOW |
|
| CLICK HERE FOR POWERPOINT VERSION OF WORKSHEET | |
|
|
|
|
|
|
