Workshop News
Allen Keys
Metric or Imperial Allen Keys: Which Does Your Machine Need?
How to tell whether a machine takes metric or imperial Allen keys, the near-miss size pairs that round screws when you guess wrong, and when the combined 26 piece answer makes sense.
Allen Keys
How to Remove a Rounded Allen Bolt: 7 Methods That Work
Seven methods for removing a rounded or stripped hex socket bolt, in order of escalation - from reseating the right key to the oversize Torx rescue - plus the five habits that stop sockets rounding...
Allen Keys
Allen Key Sizes Chart: Metric and Imperial Hex Key Sizes Explained
Every standard metric and imperial Allen key size, which bolts they fit, the near-miss pairs that round screws, and how to measure a hex key you cannot identify.
