non adjustable wrench
type of wrench whose size cannot be adjusted
combined wrench
wrench with one open end and one closed end. Fits a certain size screw head, as opposed to an adjustable spanner which can be adjusted to fit multiple screw head sizes.
square drive
square pin or shaft to use with a tool or connect a matching (machine) part (an internal square hole)
peanut butter wrench
15 mm (or 14 mm) ring spanner used on older crank and wheel nuts or modern track bicycles
lug wrench
tool for assembly or disassembly of wheels consisting of two crossed metal bars with sockets in each end
cone wrench
tool for adjusting the cones on cup and cone bearings
socket wrench
Type of wrench, often hexagonal, where the toolhead encloses the screw head of the bolt or nut
hex key
tool for screws with an internal hex head.
torque wrench
tool used to precisely apply a specific torque to a fastener such as a nut or bolt