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Auger Bits
Auger Bits are engineered with a tri-flute design that provides faster drilling, smoother chip removal, and cleaner hole edges compared to traditional two-flute bits. Made from high-speed steel or tungsten carbide, these bits offer superior strength and wear resistance, allowing efficient drilling in hardwood, softwood, MDF, and composite panels. The three-edge geometry reduces tear-out and enhances cutting precision, making them ideal for fine woodworking, furniture production, and joinery applications. Designed for use with both handheld drills and CNC machines, these bits combine speed, durability, and accuracy—delivering professional results even under continuous operation.
Hex Shank Three-edge Woodworking Cutting Auger
| LENGTH /SPECIFICATION |
155L | 230L | 300L | 400L | 460L | 600L |
| 6 | 3.06 | 3.92 | 4.85 | 5.77 | 6.41 | 8.34 |
| 8 | 3.41 | 4.44 | 5.51 | 6.66 | 7.44 | 9.68 |
| 10 | 3.85 | 5.09 | 6.48 | 7.88 | 8.8 | 11.18 |
| 12 | 4.5 | 5.97 | 7.58 | 9.28 | 10.39 | 13.19 |
| 14 | 5.36 | 7.25 | 9.35 | 11.83 | 13.11 | 16.58 |
| 16 | 5.89 | 7.87 | 10.1 | 12.77 | 14.16 | 17.9 |
| 18 | 6.81 | 9.23 | 11.42 | 15.2 | 16.85 | 20.78 |
| 20 | 7.72 | 10.49 | 13.08 | 17.22 | 19.15 | 23.72 |
| 22 | 8.98 | 12.32 | 14.68 | 20.45 | 22.3 | 28.6 |
| 24 | 10.09 | 13.93 | 16.94 | 23.03 | 25.23 | 32.34 |
| 25 | 10.54 | 14.61 | 17.83 | 24.22 | 26.59 | 34.11 |
| 26 | 11 | 15.29 | 18.72 | 25.4 | 27.95 | 35.88 |
| 28 | 12.13 | 17.19 | 20.68 | 28.91 | 32.49 | 39.84 |
| 30 | 13.51 | 18.8 | 24.99 | 31.71 | 35.71 | 45.3 |
| 32 | 14.64 | 20.48 | 27.19 | 34.64 | 39.08 | 49.7 |
Auger Bits Industry Knowledge
About CHENGGONG
Yueqing Chenggong Tools Co., Ltd. was established in 2001. The company produces glass drill bits, woodworking milling cutters, countersink drills, marble hole openers, branch drills, woodworking hole openers, aircraft-type woodworking hole openers, ceramic alloy drill bits, Aluminum plate forming knives, etc., are one of the professional manufacturers in China and one of the important suppliers in the world.
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