TPI is SAE (US) only. Metric bolts use thread pitch. If your Corvette is late-model, meaning from the 1980s forward, you’re bound to see a mix of SAE and Metric fasteners.

Choose from SAE standard or metric sizes for these high torque, 6-point sockets with an extra deep broach to accommodate longer fasteners.

You've seen probably seen the name SAE on ... The threaded fasteners that hold the majority of mechanical components together have standardized hexagonal heads in fractional-inch or metric ...

This 14-piece set includes seven SAE drivers and seven metric varieties that are clearly identifiable by markings on the tip and handle. The 1-inch recessed shaft can fit over longer bolts.

With typically-sized bolts from small to medium sized diameters, the custovator has a choice of threads to repair. These can include SAE, Metric and the always perplexing Whitworth types to match the ...

Home blog Unclutterer has a great way to quickly figure out of your wrenches or sockets are metric or SAE: wrap a line of brightly-colored electrical . Skip to Main Content.