Nuts and Bolts

Define a "nut"

• A type of fastener with a threaded hole

• A type of component that is only used underwater

• A type of matrix add to fibre

• Un equal balanced spring fitting

English units for bolts are which?

• MM and KM

• pitch and length

• inches and thread count

• Thread length and width

Which units will metric use for bolt sizes?

• thread count and colour

• MM and thread pitch

• length and width

• KM and MM

In most cases the nut material will be the same as the bolt?

• True

• False

Should the nut material be a harder metal alloy than the bolt?

• Yes

• No

Define a washer:

• A thin plate disc with a hole in the middle

• something that cleans metal

• a way to edit pith and thread settings

• A tool

What is the purpose of a washer?

• to keep nuts and bolts separate

• to eliminate the need for torque settings

• generally to distribute the load of a fastener

• to make it look better

Why would we use a flat washer?

• to add more weight to the product

• to make it look stronger

• to distribute the tensile load and prevent damage

• because it is a good way to add colour

Why is a spring/split washer used?

• used to prevent loosening caused by vibration

• used to eliminate the need for a nut

• used to add character to the product

• used to make it look high tech

Why are locking washers used?

• used instead of a nut

• used to prevent loosening by torsion/twist forces

• used because they are lighter

• used to prevent rust