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Best Bits For

Taper Length Drill Bit Chart

Taper length drill bits are renowned for their extended reach and ability to drill deeper holes with precision. They’re used across various applications, from woodworking to metal fabrication. At BestBitsFor.com, we recognize the importance of selecting the right taper length drill bit for the job, and our Taper Length Drill Bit Chart serves as an essential guide in this process.

Our Taper Length Drill Bit Chart is more than just a list of sizes. It’s a comprehensive resource that provides detailed information on different taper lengths, corresponding diameters, and suitable applications. Whether you’re a professional tradesperson or a DIY enthusiast, understanding the subtleties of these drill bits can make all the difference in your work.

The chart is designed to help you quickly identify the right taper length drill bit for your specific needs. It not only aids in selecting the right size but also helps you understand the unique characteristics of each bit, ensuring that you achieve the desired results with ease and accuracy.

At BestBitsFor.com, we strive to provide resources that elevate your drilling experience. Our Taper Length Drill Bit Chart is crafted with care, precision, and an understanding of the practical challenges faced in the field. Feel free to use it online or download it for offline reference. With this chart by your side, choosing the perfect taper length drill bit for your next project will be a breeze. It’s a valuable addition to the toolbox of anyone looking to excel in drilling, offering clarity and confidence in every selection.

Fractional Sizes Decimal Equivalent (Inches) Flute Length (Inches) Overall Length (Inches)
1/64” 0.0156 5/16” 1-1/2”
1/32” 0.0312 3/4” 2”
3/64” 0.0469 1-1/8” 2-1/4”
1/16” 0.0625 1-3/4” 3”
5/64” 0.0781 2” 3-3/4”
3/32” 0.0938 2-1/4” 4-1/4”
7/64” 0.1094 2-1/2” 4-5/8”
1/8” 0.125 2-3/4” 5-1/8”
9/64” 0.1406 3” 5-3/8”
5/32” 0.1562 3” 5-3/8”
11/64” 0.1719 3-3/8” 5-3/4”
3/16” 0.1875 3-3/8” 5-3/4”
13/64” 0.2031 3-5/8” 6”
7/32” 0.2188 3-5/8” 6”
15/64” 0.2344 3-3/4” 6-1/8”
1/4” 0.25 3-3/4” 6-1/8”
17/64” 0.2656 3-7/8” 6-1/4”
9/32” 0.2812 3-7/8” 6-1/4”
19/64” 0.2969 4” 6-3/8”
5/16” 0.3125 4” 6-3/8”
21/64” 0.3281 4-1/8” 6-1/2”
11/32” 0.3438 4-1/8” 6-1/2”
23/64” 0.3594 4-1/4” 6-3/4”
3/8” 0.375 4-1/4” 6-3/4”
25/64” 0.3906 4-3/8” 7”
13/32” 0.4062 4-3/8” 7”
27/64” 0.4219 4-5/8” 7-1/4”
7/16” 0.4375 4-5/8” 7-1/4”
29/64” 0.4531 4-3/4” 7-1/2”
15/32” 0.4688 4-3/4” 7-1/2”
31/64” 0.4844 4-3/4” 7-3/4”
1/2” 0.5 4-3/4” 7-3/4”
33/64” 0.5156 4-3/4” 8”
17/32” 0.5312 4-3/4” 8”
35/64” 0.5469 4-7/8” 8-1/4”
9/16” 0.5625 4-7/8” 8-1/4”
37/64” 0.5781 4-7/8” 8-3/4”
19/32” 0.5938 4-7/8” 8-3/4”
39/64” 0.6094 4-7/8” 8-3/4”
5/8” 0.625 4-7/8” 8-3/4”
41/64” 0.6406 5-1/8” 9”
21/32” 0.6562 5-3/8” 9”
43/64” 0.6719 5-3/8” 9-1/4”
11/16” 0.6875 5-3/8” 9-1/4”
45/64” 0.7031 5-5/8” 9-1/2”
23/32” 0.7188 5-5/8” 9-1/2”
47/64” 0.7344 5-7/8” 9-3/4”
3/4” 0.75 5-7/8” 9-3/4”
49/64” 0.7656 6” 9-7/8”
25/32” 0.7812 6” 9-7/8”
51/64” 0.7969 6-1/8” 10”
13/16” 0.8125 6-1/8” 10”
53/64” 0.8281 6-1/8” 10”
27/32” 0.8438 6-1/8” 10”
55/64” 0.8594 6-1/8” 10”
7/8” 0.875 6-1/8” 10”
57/64” 0.8906 6-1/8” 10”
29/32” 0.9062 6-1/8” 10”
59/64” 0.9219 6-1/8” 10-3/4”
15/16” 0.9375 6-1/8” 10-3/4”
61/64” 0.9531 6-3/8” 11”
31/32” 0.9688 6-3/8” 11”
63/64” 0.9844 6-3/8” 11”
1” 1 6-3/8” 11”
1-1/8” 1.125 7-1/8” 11-3/4”
1-1/4” 1.25 7-7/8” 12-1/2”
1-3/8” 1.375 8-7/8” 14-1/2”
1-1/2” 1.5 9-3/8” 15”
       
       
Wire Sizes Decimal Equivalent (Inches) Flute Length (Inches) Overall Length (Inches)
1 0.228 3-3/4” 6-1/8”
2 0.221 3-5/8” 6”
3 0.213 3-5/8” 6”
4 0.209 3-5/8” 6”
5 0.2055 3-5/8” 6”
6 0.204 3-5/8” 6”
7 0.201 3-5/8” 6”
8 0.199 3-5/8” 6”
9 0.196 3-5/8” 6”
10 0.1935 3-5/8” 6”
11 0.191 3-5/8” 6”
12 0.189 3-5/8” 6”
13 0.185 3-3/8” 5-3/4”
14 0.182 3-3/8” 5-3/4”
15 0.18 3-3/8” 5-3/4”
16 0.177 3-3/8” 5-3/4”
17 0.173 3-3/8” 5-3/4”
18 0.1695 3-3/8” 5-3/4”
19 0.166 3-3/8” 5-3/4”
20 0.161 3-3/8” 5-3/4”
21 0.159 3-3/8” 5-3/4”
22 0.157 3-3/8” 5-3/4”
23 0.154 3” 5-3/8”
24 0.152 3” 5-3/8”
25 0.1495 3” 5-3/8”
26 0.147 3” 5-3/8”
27 0.144 3” 5-3/8”
28 0.1405 3” 5-3/8”
29 0.136 3” 5-3/8”
30 0.1285 3” 5-3/8”
31 0.12 2-3/4” 5-1/8”
32 0.116 2-3/4” 5-1/8”
33 0.113 2-3/4” 5-1/8”
34 0.111 2-3/4” 5-1/8”
35 0.11 2-3/4” 5-1/8”
36 0.1065 2-1/2” 4-5/8”
37 0.104 2-1/2” 4-5/8”
38 0.1015 2-1/2” 4-5/8”
39 0.0995 2-1/2” 4-5/8”
40 0.098 2-1/2” 4-5/8”
41 0.096 2-1/2” 4-5/8”
42 0.0935 2-1/4” 4-1/4”
43 0.089 2-1/4” 4-1/4”
44 0.086 2-1/4” 4-1/4”
45 0.082 2-1/4” 4-1/4”
46 0.081 2-1/4” 4-1/4”
47 0.0785 2-1/4” 4-1/4”
48 0.076 2” 3-3/4”
49 0.073 2” 3-3/4”
50 0.07 2” 3-3/4”
51 0.067 2” 3-3/4”
52 0.0635 2” 3-3/4”
53 0.0595 1-3/4” 3”
54 0.055 1-3/4” 3”
55 0.052 1-3/4” 3”
56 0.0465 1-1/8” 2-1/4”
57 0.043 1-1/8” 2-1/4”
58 0.042 1-1/8” 2-1/4”
59 0.041 1-1/8” 2-1/4”
60 0.04 1-1/8” 2-1/4”
43      
61 0.039 1-1/8” 2-1/4”
62 0.038 3/4” 2”
63 0.037 3/4” 2”
64 0.036 3/4” 2”
65 0.035 3/4” 2”
66 0.033 3/4” 2”
67 0.032 3/4” 2”
68 0.031 3/4” 2”
69 0.0292 3/4” 2”
70 0.028 3/4” 2”
71 0.026 3/4” 2”
72 0.025 5/16” 1-1/2”
73 0.024 5/16” 1-1/2”
74 0.0225 5/16” 1-1/2”
75 0.021 5/16” 1-1/2”
76 0.02 5/16” 1-1/2”
77 0.018 5/16” 1-1/2”
78 0.016 5/16” 1-1/2”
79 0.0145 5/16” 1-1/2”
80 0.0135 5/16” 1-1/2”
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