Drill Sizes
Drill Sizes
Drill Diameter Drill Diameter Drill Diameter Size (in.) (mm) Size (in.) (mm) Size (in.) (mm) 1 0.2280 5.791 41 0.0960 2.438 81 0.0130 0.330 2 0.2210 5.613 42 0.0935 2.375 82 0.0125 0.318 3 0.2130 5.410 43 0.0890 2.261 83 0.0120 0.305 4 0.2090 5.309 44 0.0860 2.184 84 0.0115 0.292 5 0.2055 5.220 45 0.0820 2.083 85 0.0110 0.279 6 0.2040 5.182 46 0.0810 2.057 86 0.0105 0.267 7 0.2010 5.105 47 0.0785 1.994 87 0.0100 0.254 8 0.1990 5.055 48 0.0760 1.930 88 0.0095 0.241 9 0.1960 4.978 49 0.0730 1.854 89 0.0091 0.231 10 0.1935 4.915 50 0.0700 1.778 90 0.0087 0.221 11 0.1910 4.851 51 0.0670 1.702 91 0.0083 0.211 12 0.1890 4.801 52 0.0635 1.613 92 0.0079 0.201 13 0.1850 4.699 53 0.0595 1.511 93 0.0075 0.191 14 0.1820 4.623 54 0.0550 1.397 94 0.0071 0.180 15 0.1800 4.572 55 0.0520 1.321 95 0.0067 0.170 16 0.1770 4.496 56 0.0465 1.181 96 0.0063 0.160 17 0.1730 4.394 57 0.0430 1.092 97 0.0059 0.150 18 0.1695 4.305 58 0.0420 1.067 19 0.1660 4.216 59 0.0410 1.041 20 0.1610 4.089 60 0.0400 1.016 21 0.1590 4.039 61 0.0390 0.991 22 0.1570 3.988 62 0.0380 0.965 23 0.1540 3.912 63 0.0370 0.940 24 0.1520 3.861 64 0.0360 0.914 25 0.1495 3.797 65 0.0350 0.889 26 0.1470 3.734 66 0.0330 0.838 27 0.1440 3.658 67 0.0320 0.813 28 0.1405 3.569 68 0.0310 0.787 29 0.1360 3.454 69 0.0292 0.742 30 0.1285 3.264 70 0.0280 0.711 31 0.1200 3.048 71 0.0260 0.660 32 0.1160 2.946 72 0.0250 0.635 33 0.1130 2.870 73 0.0240 0.610 34 0.1110 2.819 74 0.0225 0.571 35 0.1100 2.794 75 0.0210 0.533 36 0.1065 2.705 76 0.0200 0.508 37 0.1040 2.642 77 0.0180 0.457 38 0.1015 2.578 78 0.0160 0.406 39 0.0995 2.527 79 0.0145 0.368 40 0.0980 2.489 80 0.0135 0.343
Jewelers Saw Sizes
Jewelers Saw Sizes --------------------------------------------- Saw Blade Thickness Width Drill 8/0 0.0063 0.0130 80 7/0 0.0065 0.0135 80 6/0 0.0070 0.0140 79 5/0 0.0080 0.0150 78 4/0 0.0085 0.0170 77 3/0 0.0095 0.0190 76 2/0 0.0103 0.0204 75 0 0.0110 0.0230 73 1 0.0115 0.0250 71 1.5 0.0125 0.0255 71 2 0.0135 0.0270 70 3 0.0140 0.0290 68 4 0.0150 0.0310 67 5 0.0160 0.0340 65 6 0.0173 0.0370 58 7 0.0189 0.0400 56 8 0.0200 0.0480 55 10 0.0215 0.0510 51 12 0.0236 0.0655 51 14 0.0240 0.0689 50
Metal Sheet and Wire Gauge Equivalents
Metal Sheet and Wire Gauge Equivalents -------------------------------------- Gauge Inches Drill 0 0.325 21/64 1 0.289 L 2 0.257 F 3 0.229 1 4 0.204 6 5 0.182 14 6 0.162 20 7 0.144 27 8 0.128 30 9 0.114 32 10 0.102 38 11 0.091 42 12 0.081 46 13 0.072 49 14 0.064 52 15 0.057 53 16 0.051 55 17 0.045 56 18 0.040 60 19 0.036 64 20 0.032 67 21 0.028 79 22 0.025 72 23 0.022 74 24 0.020 76 25 0.018 77 26 0.016 78 27 0.014 79 28 0.012 80 29 0.011 30 0.010 31 0.009 32 0.008 33 0.007 34 0.006 35 0.006 36 0.005
Melting Points
Melting Points Degrees F ------------------------------------ Aluminum 860 to 1240 Brass 930 to 2075 Bronze 1290 to 1890 Copper 1981 Lead 621 Lead Alloys 140 to 640 Nickle Silver 1832 Pewter 392 to 440 Tin 450 Zinc 787 Solder Melting Points ------------------------------------ "Silver, Hard" 1460 "Silver, Hard#1" 1425 "Silver, Medium" 1390 "Silver, easy" 1325 Soft 358 to 484 Aluminum 650
Heat Range Colors
Heat Colors Degrees F -------------------------------------------- Faint Red (barely visible) 650 to 700 Dull Red (faint glow) 700 to 900 Medium Dark Red 900 to 1280 Bright Red 1280 to 1590 Cherry Red 1600 to 1750 Salmon-Orange 1800 to 1850 Bright Yellow 1875 to 1925 Light Yellow 1950 to 2125 White 2210 to 2300 Blinding White 2732+
Annealing Temperatures
Annealing Temperatures Degrees F ------------------------------------ Aluminum 650 Brass 800 to 1300 Bronze 800 to 1200 Copper 700 to 1200 Nickel Silver 1000 to 1400 Silver 900 to 1200 Stainless Steel 1200
If you have comments, suggestions on what you would like to see
or data you might like, you can email me at:
Rick Blanchard - rick@urbaneagle.com
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