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HILLMAN 9977527
Hillman bolt, nut and screw gauges are ideal to have handy in every tool box or garage, bringing an industrial-quality measurement tool to your workshop. This gauge tool measures diameter, length and hex size across myriad fastener types, ensuring you have the right part for the job every time.
- Capable of gauging measurements for both metric and standard fasteners
- Offers both a 6 in ruler and 80 mm metric ruler
- Capable of gauging the length of flat, round, hex, pan, truss and fillister head screws
- Includes cap screw head markings for SAE and ISO strength comparisons
- Gauge UNC coarse and UNF fine nut diameter
- Features spaces to check the hex size of bolts, nuts or screws