Thread Identifier Metric Jumbo Sizes
The Thread Detective is a precise and easy-to-use thread identifier for both nuts and bolts that consists of gliding gauges conveniently assembled onto a wire lanyard. It is especially well suited...
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Metric Thread Identifiers contain nut and bolt sizes of M4x1.5, M14x2.0, M16x1.5, M16x2.0, M20x1.5, M20x2.5, M24x2.0 and M24x3.0