Micro Carbide Drill Size Chart — Inch, Metric & Number Sizes

Use this micro carbide drill size chart to find the decimal inch, metric, numbered wire gauge, or fractional drill size you need. These solid carbide drills are commonly used for PCB drilling, CNC drilling, carburetor jet tuning, plastics, composites, fiberglass, FR-4, G-10, and other precision drilling applications.

Most drills listed here have a standard 1/8" shank and approximately 1.50" overall length. Drill sizes are ordered through grouped size-range listings. Find your size in the chart, then click the matching size-range link to select the exact drill diameter and quantity.

Ready to order? Find your drill size in the chart below, then click the matching “Select size” link to open the correct product page and choose your exact diameter from the dropdown.
Tip: Use your browser’s search/find feature to quickly locate a size on this page. On most computers, press Ctrl+F and search for a size such as #56, .0465, 0.0465, 1.18mm, or 1/8.

Micro Carbide Drill Size Chart

Drill Size Decimal Inch Metric Select Size
0.10 mm 0.0040" 0.10 mm Select size in .004"–.036" range
0.13 mm 0.0051" 0.13 mm Select size in .004"–.036" range
#97 0.0059" 0.15 mm Select size in .004"–.036" range
#96 0.0063" 0.16 mm Select size in .004"–.036" range
#95 0.0067" 0.17 mm Select size in .004"–.036" range
0.18 mm 0.0070" 0.18 mm Select size in .004"–.036" range
#94 0.0071" 0.18 mm Select size in .004"–.036" range
#93 0.0075" 0.19 mm Select size in .004"–.036" range
#92 0.0079" 0.20 mm Select size in .004"–.036" range
#91 0.0083" 0.21 mm Select size in .004"–.036" range
0.22 mm 0.0085" 0.22 mm Select size in .004"–.036" range
#90 0.0087" 0.22 mm Select size in .004"–.036" range
#89 0.0091" 0.23 mm Select size in .004"–.036" range
#88 0.0095" 0.24 mm Select size in .004"–.036" range
#87 0.0098" 0.25 mm Select size in .004"–.036" range
#86 0.0105" 0.27 mm Select size in .004"–.036" range
#85 0.0110" 0.28 mm Select size in .004"–.036" range
0.30 mm 0.0118" 0.30 mm Select size in .004"–.036" range
#83 0.0120" 0.30 mm Select size in .004"–.036" range
#82 0.0125" 0.32 mm Select size in .004"–.036" range
#81 0.0130" 0.33 mm Select size in .004"–.036" range
#80 0.0135" 0.34 mm Select size in .004"–.036" range
#79 0.0145" 0.37 mm Select size in .004"–.036" range
#78 0.0160" 0.41 mm Select size in .004"–.036" range
#77 0.0180" 0.46 mm Select size in .004"–.036" range
#76 0.0200" 0.51 mm Select size in .004"–.036" range
#75 0.0210" 0.53 mm Select size in .004"–.036" range
#74 0.0225" 0.57 mm Select size in .004"–.036" range
#73 0.0240" 0.61 mm Select size in .004"–.036" range
#72 0.0250" 0.64 mm Select size in .004"–.036" range
#71 0.0260" 0.66 mm Select size in .004"–.036" range
#70 0.0280" 0.71 mm Select size in .004"–.036" range
#69 0.0292" 0.74 mm Select size in .004"–.036" range
#68 0.0310" 0.79 mm Select size in .004"–.036" range
#67 0.0320" 0.81 mm Select size in .004"–.036" range
#66 0.0330" 0.84 mm Select size in .004"–.036" range
#65 0.0350" 0.89 mm Select size in .004"–.036" range
#64 0.0360" 0.91 mm Select size in .004"–.036" range
#63 0.0370" 0.94 mm Select size in .037"–.0787" range
#62 0.0380" 0.97 mm Select size in .037"–.0787" range
#61 0.0390" 0.99 mm Select size in .037"–.0787" range
#60 0.0400" 1.02 mm Select size in .037"–.0787" range
#59 0.0410" 1.04 mm Select size in .037"–.0787" range
#58 0.0420" 1.07 mm Select size in .037"–.0787" range
#57 0.0430" 1.09 mm Select size in .037"–.0787" range
1.12 mm 0.0440" 1.12 mm Select size in .037"–.0787" range
1.15 mm 0.0453" 1.15 mm Select size in .037"–.0787" range
#56 0.0465" 1.18 mm Select size in .037"–.0787" range
1.20 mm 0.0472" 1.20 mm Select size in .037"–.0787" range
1.25 mm 0.0492" 1.25 mm Select size in .037"–.0787" range
1.30 mm 0.0512" 1.30 mm Select size in .037"–.0787" range
#55 0.0520" 1.32 mm Select size in .037"–.0787" range
1.35 mm 0.0531" 1.35 mm Select size in .037"–.0787" range
#54 0.0550" 1.40 mm Select size in .037"–.0787" range
1.45 mm 0.0571" 1.45 mm Select size in .037"–.0787" range
#53 0.0591" 1.50 mm Select size in .037"–.0787" range
1.55 mm 0.0610" 1.55 mm Select size in .037"–.0787" range
1.60 mm 0.0630" 1.60 mm Select size in .037"–.0787" range
#52 0.0635" 1.61 mm Select size in .037"–.0787" range
1.65 mm 0.0650" 1.65 mm Select size in .037"–.0787" range
#51 0.0670" 1.70 mm Select size in .037"–.0787" range
1.75 mm 0.0690" 1.75 mm Select size in .037"–.0787" range
#50 0.0700" 1.78 mm Select size in .037"–.0787" range
1.80 mm 0.0709" 1.80 mm Select size in .037"–.0787" range
#49 0.0728" 1.85 mm Select size in .037"–.0787" range
1.90 mm 0.0748" 1.90 mm Select size in .037"–.0787" range
#48 0.0760" 1.93 mm Select size in .037"–.0787" range
1.95 mm 0.0768" 1.95 mm Select size in .037"–.0787" range
1.98 mm 0.0781" 1.98 mm Select size in .037"–.0787" range
#47 0.0785" 1.99 mm Select size in .037"–.0787" range
#46 0.0810" 2.06 mm Select size in .081"–.118" range
#45 0.0820" 2.08 mm Select size in .081"–.118" range
2.10 mm 0.0827" 2.10 mm Select size in .081"–.118" range
2.15 mm 0.0846" 2.15 mm Select size in .081"–.118" range
#44 0.0860" 2.18 mm Select size in .081"–.118" range
2.20 mm 0.0866" 2.20 mm Select size in .081"–.118" range
#43 0.0890" 2.26 mm Select size in .081"–.118" range
2.30 mm 0.0906" 2.30 mm Select size in .081"–.118" range
2.35 mm 0.0925" 2.35 mm Select size in .081"–.118" range
#42 0.0935" 2.37 mm Select size in .081"–.118" range
2.40 mm 0.0945" 2.40 mm Select size in .081"–.118" range
#41 0.0960" 2.44 mm Select size in .081"–.118" range
2.45 mm 0.0965" 2.45 mm Select size in .081"–.118" range
#40 0.0980" 2.49 mm Select size in .081"–.118" range
#39 0.0995" 2.53 mm Select size in .081"–.118" range
2.55 mm 0.1004" 2.55 mm Select size in .081"–.118" range
#38 0.1015" 2.58 mm Select size in .081"–.118" range
2.60 mm 0.1024" 2.60 mm Select size in .081"–.118" range
#37 0.1040" 2.64 mm Select size in .081"–.118" range
2.70 mm 0.1063" 2.70 mm Select size in .081"–.118" range
#36 0.1065" 2.71 mm Select size in .081"–.118" range
2.75 mm 0.1083" 2.75 mm Select size in .081"–.118" range
#35 0.1100" 2.79 mm Select size in .081"–.118" range
2.80 mm 0.1102" 2.80 mm Select size in .081"–.118" range
#34 0.1110" 2.82 mm Select size in .081"–.118" range
2.85 mm 0.1122" 2.85 mm Select size in .081"–.118" range
#33 0.1130" 2.87 mm Select size in .081"–.118" range
2.90 mm 0.1142" 2.90 mm Select size in .081"–.118" range
#32 0.1160" 2.95 mm Select size in .081"–.118" range
3.00 mm 0.1181" 3.00 mm Select size in .081"–.118" range
#31 0.1200" 3.05 mm Select size in .120"–.1949" range
3.10 mm 0.1220" 3.10 mm Select size in .120"–.1949" range
3.15 mm 0.1240" 3.15 mm Select size in .120"–.1949" range
1/8" 0.1250" 3.17 mm Select size in .120"–.1949" range
3.20 mm 0.1260" 3.20 mm Select size in .120"–.1949" range
3.25 mm 0.1280" 3.25 mm Select size in .120"–.1949" range
#30 0.1285" 3.26 mm Select size in .120"–.1949" range
3.30 mm 0.1299" 3.30 mm Select size in .120"–.1949" range
3.35 mm 0.1319" 3.35 mm Select size in .120"–.1949" range
3.40 mm 0.1339" 3.40 mm Select size in .120"–.1949" range
#29 0.1360" 3.45 mm Select size in .120"–.1949" range
3.50 mm 0.1378" 3.50 mm Select size in .120"–.1949" range
3.55 mm 0.1398" 3.55 mm Select size in .120"–.1949" range
#28 0.1405" 3.57 mm Select size in .120"–.1949" range
3.60 mm 0.1417" 3.60 mm Select size in .120"–.1949" range
#27 0.1440" 3.66 mm Select size in .120"–.1949" range
3.70 mm 0.1457" 3.70 mm Select size in .120"–.1949" range
#26 0.1470" 3.73 mm Select size in .120"–.1949" range
3.75 mm 0.1476" 3.75 mm Select size in .120"–.1949" range
#25 0.1495" 3.80 mm Select size in .120"–.1949" range
3.85 mm 0.1516" 3.85 mm Select size in .120"–.1949" range
#24 0.1520" 3.86 mm Select size in .120"–.1949" range
3.90 mm 0.1535" 3.90 mm Select size in .120"–.1949" range
#23 0.1540" 3.91 mm Select size in .120"–.1949" range
3.95 mm 0.1555" 3.95 mm Select size in .120"–.1949" range
#22 0.1570" 3.99 mm Select size in .120"–.1949" range
4.00 mm 0.1575" 4.00 mm Select size in .120"–.1949" range
#21 0.1590" 4.04 mm Select size in .120"–.1949" range
4.06 mm 0.1598" 4.06 mm Select size in .120"–.1949" range
#20 0.1610" 4.09 mm Select size in .120"–.1949" range
4.10 mm 0.1614" 4.10 mm Select size in .120"–.1949" range
4.20 mm 0.1654" 4.20 mm Select size in .120"–.1949" range
#19 0.1660" 4.22 mm Select size in .120"–.1949" range
4.30 mm 0.1693" 4.30 mm Select size in .120"–.1949" range
#18 0.1695" 4.31 mm Select size in .120"–.1949" range
#17 0.1730" 4.39 mm Select size in .120"–.1949" range
4.40 mm 0.1732" 4.40 mm Select size in .120"–.1949" range
#16 0.1770" 4.50 mm Select size in .120"–.1949" range
4.50 mm 0.1772" 4.50 mm Select size in .120"–.1949" range
#15 0.1800" 4.57 mm Select size in .120"–.1949" range
4.60 mm 0.1811" 4.60 mm Select size in .120"–.1949" range
#14 0.1820" 4.62 mm Select size in .120"–.1949" range
4.70 mm 0.1850" 4.70 mm Select size in .120"–.1949" range
#13 0.1850" 4.70 mm Select size in .120"–.1949" range
4.80 mm 0.1890" 4.80 mm Select size in .120"–.1949" range
#12 0.1890" 4.80 mm Select size in .120"–.1949" range
4.90 mm 0.1929" 4.90 mm Select size in .120"–.1949" range
4.95 mm 0.1949" 4.95 mm Select size in .120"–.1949" range
#9 0.1960" 4.98 mm Select size in .196"–.295" range
5.00 mm 0.1968" 5.00 mm Select size in .196"–.295" range
#8 0.1990" 5.05 mm Select size in .196"–.295" range
#7 0.2010" 5.11 mm Select size in .196"–.295" range
5.15 mm 0.2028" 5.15 mm Select size in .196"–.295" range
5.16 mm 0.2031" 5.16 mm Select size in .196"–.295" range
#6 0.2040" 5.18 mm Select size in .196"–.295" range
5.20 mm 0.2047" 5.20 mm Select size in .196"–.295" range
#5 0.2055" 5.22 mm Select size in .196"–.295" range
5.25 mm 0.2067" 5.25 mm Select size in .196"–.295" range
#4 0.2090" 5.31 mm Select size in .196"–.295" range
5.35 mm 0.2106" 5.35 mm Select size in .196"–.295" range
#3 0.2130" 5.41 mm Select size in .196"–.295" range
5.45 mm 0.2146" 5.45 mm Select size in .196"–.295" range
5.50 mm 0.2165" 5.50 mm Select size in .196"–.295" range
5.55 mm 0.2185" 5.55 mm Select size in .196"–.295" range
5.60 mm 0.2205" 5.60 mm Select size in .196"–.295" range
5.70 mm 0.2244" 5.70 mm Select size in .196"–.295" range
5.75 mm 0.2264" 5.75 mm Select size in .196"–.295" range
#1 0.2280" 5.79 mm Select size in .196"–.295" range
5.80 mm 0.2283" 5.80 mm Select size in .196"–.295" range
5.85 mm 0.2303" 5.85 mm Select size in .196"–.295" range
5.90 mm 0.2323" 5.90 mm Select size in .196"–.295" range
6.00 mm 0.2362" 6.00 mm Select size in .196"–.295" range
6.10 mm 0.2402" 6.10 mm Select size in .196"–.295" range
6.20 mm 0.2441" 6.20 mm Select size in .196"–.295" range
6.30 mm 0.2480" 6.30 mm Select size in .196"–.295" range
1/4" 0.2500" 6.35 mm Select size in .196"–.295" range
6.50 mm 0.2559" 6.50 mm Select size in .196"–.295" range
6.60 mm 0.2598" 6.60 mm Select size in .196"–.295" range
6.70 mm 0.2638" 6.70 mm Select size in .196"–.295" range
6.80 mm 0.2677" 6.80 mm Select size in .196"–.295" range
6.90 mm 0.2717" 6.90 mm Select size in .196"–.295" range
7.00 mm 0.2756" 7.00 mm Select size in .196"–.295" range
7.10 mm 0.2795" 7.10 mm Select size in .196"–.295" range
7.20 mm 0.2835" 7.20 mm Select size in .196"–.295" range
7.50 mm 0.2953" 7.50 mm Select size in .196"–.295" range

Note: This chart is intended as an ordering guide for micro solid carbide drills. Availability may vary by size and condition, including new, factory resharpened, and lightly used options.

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