Question: What Size Wrench for 1/2 Bolt

US Bolt Head/Wrench Size Bolt Diameter Head and Wrench Size Hex Bolt – Lag Bolt – Square Bolt Heavy Hex Bolt 1/2″ 3/4″ 7/8″ 9/16″ 13/16″ – 5/8″ 15/16″ 1-1/16″.

What are bolt sizes?

A bolt’s size is classified based on a number of dimensions, namely the bolt’s diameter, length of shank, thread pitch, grade, thread length and head size. Bolts can me specified in metric using millimeters, but the standard, internationally-recognized descriptions of bolt sizes are in inches.

What size socket is my nut?

How to Determine the Right Size Socket for a Nut Turn on the digital caliper and set it to read in inches, not millimeters. Close the caliper jaws until each jaw rests on one flat side of the nut on opposite sides. Check the caliper display. Turn on the digital caliper and set it to read in millimeters, not inches.

Sarah Jenkins

Sarah Jenkins

Senior Technology Editor & AI Specialist

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.

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