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Quick (or exact… your choice) jewelry size conversions between inches and millimeters.Standard (and not-so-standard) Jewelry Units of Measure (gross, mass, etc.).bracelet sizes from old catalog page 777?.OH GOSH DARN IT! I accidentally made this live before I finished it… The new 4-hole punch by Eugenia Chan punches holes that are the exact correct size for 18-gauge, 16-gauge, 14-gauge and 12-gauge wire rivet holes.It can be found in many different shapes and sizes. The chart is usually arranged by metric and imperial units. The new 3-hole punch by Eugenia Chan punches 1/8″, 3/32″ and 1/16″ that correspond with standard tube rivets (aka eyelets): 1.6mm, 2.4mm, and 3.2mm. The drill size chart is a list of drill sizes, from the smallest to the largest, for use in drilling holes.0938 inches, or 2.38mm (roughly 11 gauge)
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0625 inches or 1.59mm (a tiny bit smaller than 14 gauge) – so a 1/16″ hole, plus a few turns of a bead reamer, is perfect for riveting 14ga wire. More info Riveting 101 (for jewelry and small mixed media artworks). Riveting with a hole that is too large, can cause your rivet to bend or slip, both of which can cause additional problems. When riveting, either measure and drill a hole the exact right size, or punch a hole slightly too small, and then enlarge it to the perfect size with a bead reamer (or round file).
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This allows for good freedom of movement. When punching a hole for a jump ring, you normally want a hole at least twice the diameter of your wire. Wire Gauge Conversion Chart (AWG) Picking the right size hole punch or drill bit for your wire gauge: