What if you could optimize your drilling efficiency and extend tool life with just a few key adjustments? This article explores the essential drilling speed charts and formulas for carbon and stainless steel. By understanding these critical factors, you can enhance precision and productivity in your machining processes. Dive in to learn how to select the correct drilling speed, calculate the ideal parameters, and achieve superior results with every drill. Get ready to transform your approach to drilling and unlock new levels of efficiency and accuracy.
| Feed rate | Linear speed v | Drill bit diameter | Guide length | Drilling speed | Feed amount |
| 1000 | 25 | φ16 | 4.7 | 400 | 0.4 |
| 1000 | 25 | φ17 | 5 | 400 | 0.4 |
| 1000 | 25 | φ18 | 5.2 | 250 | 0.25 |
| 1000 | 25 | φ19 | 5.5 | 400 | 0.4 |
| 1000 | 25 | φ20 | 5.8 | 400 | 0.4 |
| 1000 | 25 | φ21 | 6.1 | 320 | 0.32 |
| 1000 | 25 | φ22 | 6.4 | 320 | 0.32 |
| 1000 | 25 | φ23 | 6.7 | 320 | 0.32 |
| 1000 | 25 | φ24 | 7 | 320 | 0.32 |
| 1000 | 25 | φ25 | 7.3 | 320 | 0.32 |
| 1000 | 25 | φ26 | 7.6 | 320 | 0.32 |
| 1000 | 25 | φ27 | 7.9 | 250 | 0.25 |
| 1000 | 25 | φ28 | 8.1 | 250 | 0.25 |
| 1000 | 25 | φ29 | 8.4 | 250 | 0.25 |
| 1000 | 25 | φ30 | 8.7 | 250 | 0.25 |
| 1000 | 25 | φ31 | 9 | 250 | 0.25 |
| 1000 | 25 | φ32 | 9.3 | 250 | 0.25 |
| 1000 | 25 | φ33 | 9.6 | 250 | 0.25 |
| 1000 | 25 | φ34 | 9.9 | 200 | 0.2 |
| 1000 | 25 | φ35 | 10.2 | 200 | 0.2 |
| 1000 | 25 | φ36 | 10.5 | 200 | 0.2 |
| 1000 | 25 | φ37 | 10.7 | 200 | 0.16 |
| 1000 | 25 | φ38 | 11 | 200 | 0.16 |
| 1000 | 25 | φ39 | 11.3 | 200 | 0.16 |
| 1000 | 25 | φ40 | 11.6 | 200 | 0.16 |
| 1000 | 25 | φ41 | 11.9 | 200 | 0.16 |
| 1000 | 25 | φ42 | 12.2 | 160 | 0.16 |
| 1000 | 25 | φ43 | 12.5 | 160 | 0.16 |
| 1000 | 25 | φ44 | 12.8 | 160 | 0.16 |
| 1000 | 25 | φ45 | 13 | 160 | 0.16 |
| 1000 | 25 | φ46 | 13.3 | 160 | 0.16 |
| 1000 | 25 | φ47 | 13.6 | 160 | 0.16 |
| 1000 | 25 | φ48 | 13.9 | 160 | 0.16 |
| 1000 | 25 | φ49 | 14.2 | 160 | 0.16 |
| 1000 | 25 | φ50 | 14.5 | 125 | 0.13 |
| 1000 | 25 | φ51 | 14.8 | 125 | 0.13 |
| 1000 | 25 | φ52 | 15 | 125 | 0.13 |
| 1000 | 25 | φ53 | 15.3 | 125 | 0.13 |
| 1000 | 20 | φ54 | 15.6 | 125 | 0.13 |
| 1000 | 20 | φ55 | 15.9 | 125 | 0.13 |
| 1000 | 20 | φ56 | 16.2 | 125 | 0.13 |
| 1000 | 20 | φ57 | 16.5 | 100 | 0.1 |
| 1000 | 20 | φ58 | 16.8 | 100 | 0.1 |
| 1000 | 20 | φ59 | 17 | 100 | 0.1 |
| 1000 | 20 | φ60 | 17.3 | 100 | 0.1 |
| 1000 | 20 | φ61 | 17.6 | 100 | 0.1 |
| 1000 | 20 | φ62 | 17.9 | 100 | 0.1 |
| 1000 | 20 | φ63 | 18.2 | 100 | 0.1 |
| 1000 | 20 | φ64 | 18.5 | 100 | 0.1 |
| 1000 | 20 | φ65 | 18.8 | 100 | 0.1 |
| 1000 | 20 | φ66 | 19.1 | 80 | 0.06 |
| 1000 | 20 | φ67 | 19.4 | 80 | 0.06 |
| 1000 | 20 | φ68 | 19.7 | 80 | 0.06 |
| 1000 | 20 | φ69 | 20 | 80 | 0.06 |
| 1000 | 20 | φ70 | 20.3 | 80 | 0.06 |
| 1000 | 20 | φ71 | 20.6 | 80 | 0.06 |
| 1000 | 20 | φ72 | 20.9 | 80 | 0.06 |
| 1000 | 20 | φ73 | 21.2 | 80 | 0.06 |
| 1000 | 20 | φ74 | 21.4 | 80 | 0.06 |
| 1000 | 20 | φ75 | 21.7 | 80 | 0.06 |
Calculation formula: Drilling speed × Drill bit diameter × Π = Linear speed v
∏＝3.141592654
| Feed rate | Linear speed v | Drill bit diameter | ∏ | Guide length | n | Drilling speed | Feed amount |
| 1000 | 15 | 16 | 3.14 | 4.7 | 298.42 | 320 | 0.32 |
| 1000 | 15 | 17 | 3.14 | 5 | 280.86 | 320 | 0.32 |
| 1000 | 15 | 18 | 3.14 | 5.2 | 265.26 | 250 | 0.2 |
| 1000 | 15 | 19 | 3.14 | 5.5 | 251.30 | 250 | 0.25 |
| 1000 | 15 | 20 | 3.14 | 5.8 | 238.73 | 250 | 0.25 |
| 1000 | 15 | 21 | 3.14 | 6.1 | 227.36 | 200 | 0.2 |
| 1000 | 15 | 22 | 3.14 | 6.4 | 217.03 | 200 | 0.2 |
| 1000 | 15 | 23 | 3.14 | 6.7 | 207.59 | 200 | 0.2 |
| 1000 | 15 | 24 | 3.14 | 7 | 198.94 | 200 | 0.2 |
| 1000 | 15 | 25 | 3.14 | 7.3 | 190.99 | 200 | 0.2 |
| 1000 | 15 | 26 | 3.14 | 7.6 | 183.64 | 200 | 0.2 |
| 1000 | 15 | 27 | 3.14 | 7.9 | 176.84 | 160 | 0.16 |
| 1000 | 15 | 28 | 3.14 | 8.1 | 170.52 | 160 | 0.16 |
| 1000 | 15 | 29 | 3.14 | 8.4 | 164.64 | 160 | 0.16 |
| 1000 | 15 | 30 | 3.14 | 8.7 | 159.15 | 160 | 0.16 |
| 1000 | 15 | 31 | 3.14 | 9 | 154.02 | 160 | 0.16 |
| 1000 | 15 | 32 | 3.14 | 9.3 | 149.21 | 160 | 0.16 |
| 1000 | 15 | 33 | 3.14 | 9.6 | 144.69 | 125 | 0.13 |
| 1000 | 15 | 34 | 3.14 | 9.9 | 140.43 | 125 | 0.13 |
| 1000 | 15 | 35 | 3.14 | 10.2 | 136.42 | 125 | 0.13 |
| 1000 | 15 | 36 | 3.14 | 10.5 | 132.63 | 125 | 0.13 |
| 1000 | 15 | 37 | 3.14 | 10.7 | 129.04 | 125 | 0.13 |
| 1000 | 15 | 38 | 3.14 | 11 | 125.65 | 100 | 0.13 |
| 1000 | 15 | 39 | 3.14 | 11.3 | 122.43 | 100 | 0.13 |
| 1000 | 15 | 40 | 3.14 | 11.6 | 119.37 | 100 | 0.1 |
| 1000 | 15 | 41 | 3.14 | 11.9 | 116.45 | 80 | 0.1 |
| 1000 | 15 | 42 | 3.14 | 12.2 | 113.68 | 80 | 0.1 |
| 1000 | 15 | 43 | 3.14 | 12.5 | 111.04 | 80 | 0.1 |
| 1000 | 15 | 44 | 3.14 | 12.8 | 108.51 | 80 | 0.08 |
| 1000 | 15 | 45 | 3.14 | 13 | 106.10 | 80 | 0.08 |
| 1000 | 15 | 46 | 3.14 | 13.3 | 103.80 | 63 | 0.08 |
| 1000 | 15 | 47 | 3.14 | 13.6 | 101.59 | 63 | 0.08 |
| 1000 | 15 | 48 | 3.14 | 13.9 | 99.47 | 63 | 0.08 |
| 1000 | 15 | 49 | 3.14 | 14.2 | 97.44 | 63 | 0.08 |
| 1000 | 15 | 50 | 3.14 | 14.5 | 95.49 | 63 | 0.08 |
| 1000 | 15 | 51 | 3.14 | 14.8 | 93.62 | 63 | 0.08 |
| 1000 | 15 | 52 | 3.14 | 15 | 91.82 | 63 | 0.06 |
| 1000 | 15 | 53 | 3.14 | 15.3 | 90.09 | 63 | 0.06 |
| 1000 | 15 | 54 | 3.14 | 15.6 | 88.42 | 63 | 0.06 |
| 1000 | 15 | 55 | 3.14 | 15.9 | 86.81 | 63 | 0.06 |
| 1000 | 15 | 56 | 3.14 | 16.2 | 85.26 | 63 | 0.06 |
| 1000 | 15 | 57 | 3.14 | 16.5 | 83.77 | 63 | 0.06 |
| 1000 | 15 | 58 | 3.14 | 16.8 | 82.32 | 63 | 0.06 |
| 1000 | 15 | 59 | 3.14 | 17 | 80.93 | 63 | 0.06 |
| 1000 | 15 | 60 | 3.14 | 17.3 | 79.58 | 63 | 0.06 |
| 1000 | 15 | 61 | 3.14 | 17.6 | 78.27 | 63 | 0.06 |
| 1000 | 15 | 62 | 3.14 | 17.9 | 77.01 | ||
| 1000 | 15 | 63 | 3.14 | 18.2 | 75.79 | ||
| 1000 | 15 | 64 | 3.14 | 18.5 | 74.60 | ||
| 1000 | 15 | 65 | 3.14 | 18.8 | 73.46 | ||
| 1000 | 15 | 66 | 3.14 | 19.1 | 72.34 | ||
| 1000 | 15 | 67 | 3.14 | 19.4 | 71.26 | ||
| 1000 | 15 | 68 | 3.14 | 19.7 | 70.22 | ||
| 1000 | 15 | 69 | 3.14 | 20 | 69.20 | ||
| 1000 | 15 | 70 | 3.14 | 20.3 | 68.21 | ||
| 1000 | 15 | 71 | 3.14 | 20.6 | 67.25 | ||
| 1000 | 15 | 72 | 3.14 | 20.9 | 66.31 | ||
| 1000 | 15 | 73 | 3.14 | 21.2 | 65.41 | ||
| 1000 | 15 | 74 | 3.14 | 21.4 | 64.52 | ||
| 1000 | 15 | 75 | 3.14 | 21.7 | 63.66 |
Calculation formula: Drilling speed × Drill bit diameter × ∏ = Linear speed v
∏＝3.141592654
In conclusion, optimizing your drilling speed is crucial for achieving efficient and cost-effective drilling. With the help of our drilling speed chart and calculation formula, sourced from machinemfg.com, you can take the guesswork out of the equation and achieve maximum efficiency.
By selecting the right drilling speed, you can reduce tool wear, increase drilling speed, and improve the quality of your workpiece. So why settle for subpar results when you can achieve excellence?
Use our drilling speed chart and calculation formula to take your drilling process to the next level. Thank you for reading, and happy drilling!
As the founder of MachineMFG, I have dedicated over a decade of my career to the metalworking industry. My extensive experience has allowed me to become an expert in the fields of sheet metal fabrication, machining, mechanical engineering, and machine tools for metals. I am constantly thinking, reading, and writing about these subjects, constantly striving to stay at the forefront of my field. Let my knowledge and expertise be an asset to your business.
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