Hand Tools
How to Identify Nut and Bolt Threads: Metric, Inch and Pitch
Read diameter and pitch together, check gently, and keep size identification separate from choosing a replacement fastener.
THE HARDWICK FIELD GUIDE
Hand Tools guides
Understand the specifications. Compare the configuration. Choose for the job.
Hand Tools
How to Choose a Socket and Bit Set
Decide whether you need a ratchet-containing kit, compatible accessories or just a few missing sockets.
How these guides are prepared
Our selection guides use named manufacturer references and current catalog information. They distinguish general explanations from product-specific requirements.
Read our editorial approach →