Jobber Length Drill Bits are the standard in the drilling world, known for their versatility and applicability in various industries. They come in a vast array of sizes, finishes, and materials, allowing users to select the perfect bit for any given task. At BestBitsFor.com, we provide an invaluable resource with our Jobber Length Drill Bit Chart to help you navigate this extensive landscape.
Our Jobber Length Drill Bit Chart displays detailed specifications of these essential tools, linking the flute length and overall length to the diameter of the drill bit. This comprehensive guide makes it easy for both professionals and enthusiasts to find the ideal bit, be it for woodworking, metalworking, or any other application.
The chart goes beyond mere numbers. It’s a testament to our understanding of the industry’s needs and our commitment to aiding every drilling project’s success. With the Jobber Length Drill Bit Chart, you can quickly grasp the relationship between different sizes and make informed decisions that will enhance the efficiency and quality of your work.
At BestBitsFor.com, we strive to create tools and resources that resonate with our users’ practical requirements. Our Jobber Length Drill Bit Chart is more than just a reference; it’s a tool designed to simplify the complex world of standard size drill bits. You can access it online or download it for convenience, allowing it to be a dependable partner in all your drilling endeavors. Trust our chart to guide you in your selection of Jobber Length Drill Bits, leading you to precision and excellence in every project.
Fractional Sizes | Decimal Equivalent (Inches) | Flute Length (Inches) | Overall Length (Inches) |
1/64” | 0.0156 | 3/16” | 3/4” |
1/32” | 0.0312 | 1/2” | 1-3/8” |
3/64” | 0.0469 | 3/4” | 1-3/4” |
1/16” | 0.0625 | 7/8” | 1-7/8” |
5/64” | 0.0781 | 1” | 2” |
3/32” | 0.0938 | 1-1/4” | 2-1/4” |
7/64” | 0.1094 | 1-1/2” | 2-5/8” |
1/8” | 0.125 | 1-5/8” | 2-3/4” |
9/64” | 0.1406 | 1-3/4” | 2-7/8” |
5/32” | 0.1562 | 2” | 3-1/8” |
11/64” | 0.1719 | 2-1/8” | 3-1/4” |
3/16” | 0.1875 | 2-5/16” | 3-1/2” |
13/64” | 0.2031 | 2-7/16” | 3-5/8” |
7/32” | 0.2188 | 2-1/2” | 3-3/4” |
15/64” | 0.2344 | 2-5/8” | 3-7/8” |
1/4” | 0.25 | 2-3/4” | 4” |
17/64” | 0.2656 | 2-7/8” | 4-1/8” |
9/32” | 0.2812 | 2-15/16” | 4-1/4” |
19/64” | 0.2969 | 3-1/16” | 4-3/8” |
5/16” | 0.3125 | 3-3/16” | 4-1/2” |
21/64” | 0.3281 | 3-5/16” | 4-5/8” |
11/32” | 0.3438 | 3-7/16” | 4-3/4” |
23/64” | 0.3594 | 3-1/2” | 4-7/8” |
3/8” | 0.375 | 3-5/8” | 5” |
25/64” | 0.3906 | 3-3/4” | 5-1/8” |
13/32” | 0.4062 | 3-7/8” | 5-1/4” |
27/64” | 0.4219 | 3-15/16” | 5-3/8” |
7/16” | 0.4375 | 4-1/16” | 5-1/2” |
29/64” | 0.4531 | 4-3/16” | 5-5/8” |
15/32” | 0.4688 | 4-5/16” | 5-3/4” |
31/64” | 0.4844 | 4-3/8” | 5-7/8” |
1/2” | 0.5 | 4-1/2” | 6” |
33/64” | 0.5156 | 4-13/16” | 6-5/8” |
17/32” | 0.5312 | 4-13/16” | 6-5/8” |
35/64” | 0.5469 | 4-13/16” | 6-5/8” |
9/16” | 0.5625 | 4-13/16” | 6-5/8” |
37/64” | 0.5781 | 4-13/16” | 6-5/8” |
19/32” | 0.5938 | 5-3/16” | 7-1/8” |
39/64” | 0.6094 | 5-3/16” | 7-1/8” |
5/8” | 0.625 | 5-3/16” | 7-1/8” |
41/64” | 0.6406 | 5-3/16” | 7-1/8” |
21/32” | 0.6562 | 5-3/16” | 7-1/8” |
43/64” | 0.6719 | 5-5/8” | 7-5/8” |
11/16” | 0.6875 | 5-5/8” | 7-5/8” |
Letter Sizes | Decimal Equivalent (Inches) | Flute Length (Inches) | Overall Length (Inches) |
A | 0.234 | 2-5/8” | 3-7/8” |
B | 0.238 | 2-3/4” | 4” |
C | 0.242 | 2-3/4” | 4” |
D | 0.246 | 2-3/4” | 4” |
E | 0.25 | 2-3/4” | 4” |
F | 0.257 | 2-7/8” | 4-1/8” |
G | 0.261 | 2-7/8” | 4-1/8” |
H | 0.266 | 2-7/8” | 4-1/8” |
I | 0.272 | 2-7/8” | 4-1/8” |
J | 0.277 | 2-7/8” | 4-1/8” |
K | 0.281 | 2-15/16” | 4-1/4” |
L | 0.29 | 2-15/16” | 4-1/4” |
M | 0.295 | 3-1/16” | 4-3/8” |
N | 0.302 | 3-1/16” | 4-3/8” |
O | 0.316 | 3-3/16” | 4-1/2” |
P | 0.323 | 3-5/16” | 4-5/8” |
Q | 0.332 | 3-7/16” | 4-3/4” |
R | 0.339 | 3-7/16” | 4-3/4” |
S | 0.348 | 3-1/2” | 4-7/8” |
T | 0.358 | 3-1/2” | 4-7/8” |
U | 0.368 | 3-5/8” | 5” |
V | 0.377 | 3-5/8” | 5” |
W | 0.386 | 3-3/4” | 5-1/8” |
X | 0.397 | 3-3/4” | 5-1/8” |
Y | 0.404 | 3-7/8” | 5-1/4” |
Z | 0.413 | 3-7/8” | 5-1/4” |
Wire Sizes | Decimal Equivalent (Inches) | Flute Length (Inches) | Overall Length (Inches) |
1 | 0.228 | 2-5/8” | 3-7/8” |
2 | 0.221 | 2-5/8” | 3-7/8” |
3 | 0.213 | 2-1/2” | 3-3/4” |
4 | 0.209 | 2-1/2” | 3-3/4” |
5 | 0.2055 | 2-1/2” | 3-3/4” |
6 | 0.204 | 2-1/2” | 3-3/4” |
7 | 0.201 | 2-7/16” | 3-5/8” |
8 | 0.199 | 2-7/16” | 3-5/8” |
9 | 0.196 | 2-7/16” | 3-5/8” |
10 | 0.1935 | 2-7/16” | 3-5/8” |
11 | 0.191 | 2-5/16” | 3-1/2” |
12 | 0.189 | 2-5/16” | 3-1/2” |
13 | 0.185 | 2-5/16” | 3-1/2” |
14 | 0.182 | 2-3/16” | 3-3/8” |
15 | 0.18 | 2-3/16” | 3-3/8” |
16 | 0.177 | 2-3/16” | 3-3/8” |
17 | 0.173 | 2-3/16” | 3-3/8” |
18 | 0.1695 | 2-1/8” | 3-1/4” |
19 | 0.166 | 2-1/8” | 3-1/4” |
20 | 0.161 | 2-1/8” | 3-1/4” |
21 | 0.159 | 2-1/8” | 3-1/4” |
22 | 0.157 | 2” | 3-1/8” |
23 | 0.154 | 2” | 3-1/8” |
24 | 0.152 | 2” | 3-1/8” |
25 | 0.1495 | 1-7/8” | 3” |
26 | 0.147 | 1-7/8” | 3” |
27 | 0.144 | 1-7/8” | 3” |
28 | 0.1405 | 1-3/4” | 2-7/8” |
29 | 0.136 | 1-3/4” | 2-7/8” |
30 | 0.1285 | 1-5/8” | 2-3/4” |
31 | 0.12 | 1-5/8” | 2-3/4” |
32 | 0.116 | 1-5/8” | 2-3/4” |
33 | 0.113 | 1-1/2” | 2-5/8” |
34 | 0.111 | 1-1/2” | 2-5/8” |
35 | 0.11 | 1-1/2” | 2-5/8” |
36 | 0.1065 | 1-7/16” | 2-1/2” |
37 | 0.104 | 1-7/16” | 2-1/2” |
38 | 0.1015 | 1-7/16” | 2-1/2” |
39 | 0.0995 | 1-3/8” | 2-3/8” |
40 | 0.098 | 1-3/8” | 2-3/8” |
41 | 0.096 | 1-3/8” | 2-3/8” |
42 | 0.0935 | 1-1/4” | 2-1/4” |
43 | 0.089 | 1-1/4” | 2-1/4” |
44 | 0.086 | 1-1/8” | 2-1/8” |
45 | 0.082 | 1-1/8” | 2-1/8” |
46 | 0.081 | 1-1/8” | 2-1/8” |
47 | 0.0785 | 1” | 2” |
48 | 0.076 | 1” | 2” |
49 | 0.073 | 1” | 2” |
50 | 0.07 | 1” | 2” |
51 | 0.067 | 1” | 2” |
52 | 0.0635 | 7/8” | 1-7/8” |
53 | 0.0595 | 7/8” | 1-7/8” |
54 | 0.055 | 7/8” | 1-7/8” |
55 | 0.052 | 7/8” | 1-7/8” |
56 | 0.0465 | 3/4” | 1-3/4” |
57 | 0.043 | 3/4” | 1-3/4” |
58 | 0.042 | 11/16” | 1-5/8” |
59 | 0.041 | 11/16” | 1-5/8” |
60 | 0.04 | 11/16” | 1-5/8” |
61 | 0.039 | 11/16” | 1-5/8” |
62 | 0.038 | 5/8” | 1-1/2” |
63 | 0.037 | 5/8” | 1-1/2” |
64 | 0.036 | 5/8” | 1-1/2” |
65 | 0.035 | 5/8” | 1-1/2” |
66 | 0.033 | 1/2” | 1-3/8” |
67 | 0.032 | 1/2” | 1-3/8” |
68 | 0.031 | 1/2” | 1-3/8” |
69 | 0.0292 | 1/2” | 1-3/8” |
70 | 0.028 | 3/8” | 1-1/4” |
71 | 0.026 | 3/8” | 1-1/4” |
72 | 0.025 | 5/16” | 1-1/8” |
73 | 0.024 | 5/16” | 1-1/8” |
74 | 0.0225 | 1/4” | 1” |
75 | 0.021 | 1/4” | 1” |
76 | 0.02 | 3/16” | 7/8” |
77 | 0.018 | 3/16” | 7/8” |
78 | 0.016 | 3/16” | 7/8” |
79 | 0.0145 | 1/8” | 3/4” |
80 | 0.0135 | 1/8” | 3/4” |
Metric Sizes | Decimal Equivalent (Inches) | Flute Length (mm) | Overall Length (mm) |
0.3mm | 0.0118 | 3mm | 19mm |
0.35mm | 0.0138 | 3mm | 19mm |
0.4mm | 0.0157 | 5mm | 20mm |
0.45mm | 0.0177 | 5mm | 20mm |
0.5mm | 0.0197 | 5mm | 22mm |
0.55mm | 0.0217 | 6mm | 24mm |
0.6mm | 0.0236 | 8mm | 24mm |
0.65mm | 0.0256 | 10mm | 26mm |
0.7mm | 0.0276 | 10mm | 28mm |
0.75mm | 0.0295 | 13mm | 28mm |
0.8mm | 0.0315 | 13mm | 30mm |
0.85mm | 0.0335 | 16mm | 30mm |
0.9mm | 0.0354 | 16mm | 32mm |
0.95mm | 0.0374 | 16mm | 32mm |
1mm | 0.0394 | 17mm | 34mm |
1.05mm | 0.0413 | 17mm | 34mm |
1.1mm | 0.0433 | 19mm | 36mm |
1.15mm | 0.0453 | 19mm | 36mm |
1.2mm | 0.0472 | 22mm | 38mm |
1.25mm | 0.0492 | 22mm | 38mm |
1.3mm | 0.0512 | 22mm | 38mm |
1.35mm | 0.0531 | 22mm | 40mm |
1.4mm | 0.0551 | 22mm | 40mm |
1.45mm | 0.0571 | 22mm | 40mm |
1.5mm | 0.0591 | 22mm | 40mm |
1.55mm | 0.061 | 22mm | 43mm |
1.6mm | 0.063 | 22mm | 43mm |
1.65mm | 0.065 | 25mm | 43mm |
1.7mm | 0.0669 | 25mm | 43mm |
1.75mm | 0.0689 | 25mm | 46mm |
1.8mm | 0.0709 | 25mm | 46mm |
1.85mm | 0.0728 | 25mm | 46mm |
1.9mm | 0.0748 | 25mm | 46mm |
1.95mm | 0.0768 | 25mm | 49mm |
2mm | 0.0787 | 25mm | 49mm |
2.05mm | 0.0807 | 29mm | 49mm |
2.1mm | 0.0827 | 29mm | 49mm |
2.15mm | 0.0846 | 29mm | 53mm |
2.2mm | 0.0866 | 32mm | 53mm |
2.25mm | 0.0886 | 32mm | 53mm |
2.3mm | 0.0906 | 32mm | 53mm |
2.35mm | 0.0925 | 32mm | 53mm |
2.4mm | 0.0945 | 35mm | 57mm |
2.45mm | 0.0965 | 35mm | 57mm |
2.5mm | 0.0984 | 35mm | 57mm |
2.55mm | 0.1003 | 35mm | 57mm |
2.6mm | 0.1024 | 37mm | 57mm |
2.65mm | 0.1043 | 37mm | 57mm |
2.7mm | 0.1063 | 37mm | 61mm |
2.75mm | 0.1083 | 37mm | 61mm |
2.8mm | 0.1102 | 38mm | 61mm |
2.85mm | 0.1122 | 38mm | 61mm |
2.9mm | 0.1142 | 41mm | 61mm |
2.95mm | 0.1161 | 41mm | 61mm |
3mm | 0.1181 | 41mm | 61mm |
3.05mm | 0.1201 | 41mm | 65mm |
3.1mm | 0.122 | 41mm | 65mm |
3.15mm | 0.124 | 41mm | 65mm |
3.2mm | 0.126 | 41mm | 65mm |
3.25mm | 0.128 | 41mm | 65mm |
3.3mm | 0.1299 | 44mm | 65mm |
3.35mm | 0.1319 | 44mm | 70mm |
3.4mm | 0.1339 | 44mm | 70mm |
3.45mm | 0.1358 | 44mm | 70mm |
3.5mm | 0.1378 | 44mm | 70mm |
3.55mm | 0.1397 | 48mm | 70mm |
3.6mm | 0.1417 | 48mm | 70mm |
3.65mm | 0.1437 | 48mm | 70mm |
3.7mm | 0.1457 | 48mm | 70mm |
3.75mm | 0.1476 | 48mm | 75mm |
3.8mm | 0.1496 | 48mm | 75mm |
3.85mm | 0.1516 | 51mm | 75mm |
3.9mm | 0.1535 | 51mm | 75mm |
3.95mm | 0.1555 | 51mm | 75mm |
4mm | 0.1575 | 54mm | 75mm |
4.05mm | 0.1594 | 54mm | 75mm |
4.1mm | 0.1614 | 54mm | 75mm |
4.2mm | 0.1654 | 54mm | 75mm |
4.25mm | 0.1673 | 54mm | 80mm |
4.3mm | 0.1693 | 54mm | 80mm |
4.35mm | 0.1713 | 54mm | 80mm |
4.4mm | 0.1732 | 56mm | 80mm |
4.5mm | 0.1772 | 56mm | 80mm |
4.6mm | 0.1811 | 56mm | 80mm |
4.65mm | 0.1831 | 56mm | 80mm |
4.7mm | 0.185 | 59mm | 80mm |
4.75mm | 0.187 | 59mm | 86mm |
4.8mm | 0.189 | 59mm | 86mm |
4.85mm | 0.1909 | 62mm | 86mm |
4.9mm | 0.1929 | 62mm | 86mm |
5mm | 0.1969 | 62mm | 86mm |
5.1mm | 0.2008 | 62mm | 86mm |
5.2mm | 0.2047 | 64mm | 86mm |
5.25mm | 0.2067 | 64mm | 86mm |
5.3mm | 0.2087 | 64mm | 86mm |
5.4mm | 0.2126 | 64mm | 93mm |
5.5mm | 0.2165 | 64mm | 93mm |
5.6mm | 0.2205 | 67mm | 93mm |
5.7mm | 0.2244 | 67mm | 93mm |
5.75mm | 0.2264 | 67mm | 93mm |
5.8mm | 0.2283 | 67mm | 93mm |
5.9mm | 0.2323 | 67mm | 93mm |
6mm | 0.2362 | 70mm | 93mm |
6.1mm | 0.2402 | 70mm | 101mm |
6.2mm | 0.2441 | 70mm | 101mm |
6.25mm | 0.2461 | 70mm | 101mm |
6.3mm | 0.248 | 70mm | 101mm |
6.4mm | 0.252 | 73mm | 101mm |
6.5mm | 0.2559 | 73mm | 101mm |
6.6mm | 0.2598 | 73mm | 101mm |
6.7mm | 0.2638 | 73mm | 101mm |
6.75mm | 0.2657 | 73mm | 109mm |
6.8mm | 0.2677 | 73mm | 109mm |
6.9mm | 0.2717 | 73mm | 109mm |
7mm | 0.2756 | 73mm | 109mm |
7.1mm | 0.2795 | 75mm | 109mm |
7.2mm | 0.2835 | 75mm | 109mm |
7.25mm | 0.2854 | 75mm | 109mm |
7.3mm | 0.2874 | 75mm | 109mm |
7.4mm | 0.2913 | 78mm | 109mm |
7.5mm | 0.2953 | 78mm | 109mm |
7.6mm | 0.2992 | 78mm | 117mm |
7.7mm | 0.3031 | 81mm | 117mm |
7.75mm | 0.3051 | 81mm | 117mm |
7.8mm | 0.3071 | 81mm | 117mm |
7.9mm | 0.311 | 81mm | 117mm |
8mm | 0.315 | 81mm | 117mm |
8.1mm | 0.3189 | 84mm | 117mm |
8.2mm | 0.3228 | 84mm | 117mm |
8.25mm | 0.3248 | 84mm | 117mm |
8.3mm | 0.3268 | 84mm | 117mm |
8.4mm | 0.3307 | 87mm | 117mm |
8.5mm | 0.3346 | 87mm | 117mm |
8.6mm | 0.3386 | 87mm | 125mm |
8.7mm | 0.3425 | 87mm | 125mm |
8.75mm | 0.3445 | 87mm | 125mm |
8.8mm | 0.3465 | 89mm | 125mm |
8.9mm | 0.3504 | 89mm | 125mm |
9mm | 0.3543 | 89mm | 125mm |
9.1mm | 0.3583 | 89mm | 125mm |
9.2mm | 0.3622 | 92mm | 125mm |
9.25mm | 0.3642 | 92mm | 125mm |
9.3mm | 0.3661 | 92mm | 125mm |
9.4mm | 0.3701 | 92mm | 125mm |
9.5mm | 0.374 | 92mm | 125mm |
9.6mm | 0.378 | 95mm | 133mm |
9.7mm | 0.3819 | 95mm | 133mm |
9.75mm | 0.3839 | 95mm | 133mm |
9.8mm | 0.3858 | 95mm | 133mm |
9.9mm | 0.3898 | 95mm | 133mm |
10mm | 0.3937 | 95mm | 133mm |
10.2mm | 0.4016 | 98mm | 133mm |
10.25mm | 0.4035 | 98mm | 133mm |
10.5mm | 0.4134 | 98mm | 133mm |
10.7mm | 0.4213 | 100mm | 142mm |
10.75mm | 0.4232 | 101mm | 142mm |
10.8mm | 0.4252 | 103mm | 142mm |
11mm | 0.4331 | 103mm | 142mm |
11.5mm | 0.4528 | 106mm | 142mm |
11.7mm | 0.4606 | 110mm | 142mm |
12mm | 0.4724 | 111mm | 151mm |
12.5mm | 0.4921 | 114mm | 151mm |
12.8mm | 0.5039 | 114mm | 151mm |
13mm | 0.5118 | 114mm | 151mm |
13.5mm | 0.5315 | 122mm | 160mm |
14mm | 0.5512 | 122mm | 160mm |
14.5mm | 0.5709 | 122mm | 169mm |
15mm | 0.5906 | 132mm | 169mm |
15.5mm | 0.6102 | 132mm | 178mm |
16mm | 0.6299 | 132mm | 178mm |
16.5mm | 0.6496 | 132mm | 184mm |
17mm | 0.6693 | 143mm | 184mm |
17.5mm | 0.689 | 143mm | 191mm |
18mm | 0.7087 | 145mm | 191mm |
18.5mm | 0.7283 | 149mm | 198mm |
19mm | 0.748 | 149mm | 198mm |
19.5mm | 0.7677 | 154mm | 205mm |
20mm | 0.7874 | 154mm | 205mm |