Thread Identifier, #6 - 1/2", M4 - M12

Easy-to-use thread identifier for nuts and bolts (internal and external inch and metric threads).
• Easy-to-read size markings
• Color-coded dividers allow recognition between inch and metric
• Extra-long wire rope for those hard-to-reach places, and loops on each end for convenient hanging
• Equipped with a 3-3/8" (85mm) ruler for measuring small screw, bolt and stud lengths
• Standard Size comes supplied in coarse and fine threads, #6 dia. through 1/2" and M4 through M12
• Large Size comes supplied in coarse and fine threads, 5/8" through 1" and M14 through M24
Standard Size
• Inch thread identifier contain the following sizes: 6-32, 8-32, 10-24, 10-32, 1/4-20, 1/4-28, 5/16-18, 5/16-24, 3/8-16, 3/8-24, 7/16-14, 7/16-20, 1/2-13, 1/2-20
• Metric thread identifier contain the following sizes: M4x0.7, M5x0.8, M6x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.25, M10x1.50, M12x1.25, M12x1.5, M12x1.75
Bolt Thread Identification
Nut Thread Identification