Key Features

• The Screw Checker will identify screw sizes ranging from #1 through 5/16" in NC, NF, and NS pitches.
• It will identify size, pitch, length, tap series and drill size.
• Will identify machine screws, bolts, wood screws, sheet metal screws, self-tapping screws, & rivets.
• This tool can also be used to straighten bent screws and clean up dirty or rusty threads.
• Made of heavy gauge steel for long term use. 1/8" thick for accurate identification.

Product Description