Wrench

From Simple English Wikipedia, the free encyclopedia

combination box wrench and open end wrench/spanner
combination box wrench and open end wrench/spanner
Adjustable/crescent spanner/wrench
Adjustable/crescent spanner/wrench

A wrench (spanner in British English) is a tool used to turn nuts and bolts, and similarly shaped objects.

Some types of wrenches are:

  • Box wrench
  • Monkey wrench

[edit] Special wrenches

An adjustable spanner, or adjustable wrench, or crescent wrench in American English, is a tool. It may move its jaw to rotate nuts or bolts of different sizes. It was invented by Edwin Beard Budding (1795-1846), who also invented the lawnmower.

An open end spanner or open end wrench is a tool used to turn nuts.