Drill Bit Set 1/16"-1/4" M2 HSS 135° Black Oxide - 13 Pack

√FEATURE:
-This drill bit set includes sizes from 1/16" to 1/4" are made of M2 high-speed steel material, it has high hardness and wear resistance, suitable for processing medium-high hardness materials; It is the best all-rounder, offering the optimal balance of versatility, cost-effectiveness, and performance. With a hardness of HRC 63 and a red-hardness of 600°C, it is the preferred choice for machining carbon/alloy steels and aluminum, covering 90% of conventional scenarios from DIY to general industry.
-Black Oxide Finish can enhance the surface properties of the drill bits, improving its wear resistance and corrosion resistance, thereby extending the drill bits' service life and operational efficiency.
-The 135-degree tip angle drill provides excellent processing stability and is well-suited for harder materials. It effectively reduces the risk of cutting-edge chipping, thereby improving drilling efficiency and hole quality.
√APPLICATION:
The drills are suitable for high-hardness metals, such as steel, alloy cast iron, stainless steel, iron, copper, aluminum alloy, and cast iron. They are also effective in plastics and wood.
√PACKING LIST: 13 sets of drill bits include 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4"
| Cutting Edge Diameter | Total Length (mm) | Total Length (inch) | Flute Length (mm) | Flute Length (inch) |
| 1/16" | 42 | 1.65 | 20 | 0.79 |
| 5/64" | 50 | 1.97 | 26 | 1.02 |
| 3/32" | 56 | 2.2 | 31 | 1.22 |
| 7/64" | 60 | 2.36 | 33 | 1.3 |
| 1/8" | 68 | 2.68 | 36 | 1.42 |
| 9/64" | 71 | 2.8 | 45 | 1.77 |
| 5/32" | 74 | 2.91 | 44 | 1.73 |
| 11/64" | 79 | 3.11 | 49 | 1.93 |
| 3/16" | 86 | 3.39 | 52 | 2.05 |
| 13/64" | 85 | 3.35 | 55 | 2.17 |
| 7/32" | 91 | 3.58 | 57 | 2.24 |
| 15/64" | 92 | 3.62 | 58 | 2.28 |
| 1/4" | 100 | 3.94 | 69 | 2.72 |
| 17/64" | 107 | 4.21 | 73 | 2.87 |
| 9/32" | 109 | 4.29 | 73 | 2.87 |
| 19/64" | 108 | 4.25 | 69 | 2.72 |
| 5/16" | 115 | 4.53 | 77 | 3.03 |
| 21/64" | 115 | 4.53 | 77 | 3.03 |
| 11/32" | 114 | 4.49 | 74 | 2.91 |
| 23/64" | 124 | 4.88 | 89 | 3.5 |
| 3/8" | 124 | 4.88 | 89 | 3.5 |