Hole, drill, bore and wire gauges helps to determine specific measurements. Use a wire gauge to measure the diameter or cross-section of a wire to help determine the amount of electrical current it can safely carry or its weight per unit of length. A bore gauge can help measure out-of-round conditions and tapers of cylinders. Hole gauges help provide quick measurements of small plain or countersunk hole diameters. Use a drill gauge to help identify the size of a drill bit.
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