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.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 0.2 inch
Height : 0.1 inch
Length : 6.7 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 0 ounce (View shipping rates and policies)

ASIN : B0006NFUJW

Product Description

Used to check the size of screws that are No.1 to 5/16.