- 21 drill bits for cutting hard metals，such as stainless steel, aluminum alloy and titanium alloy
- 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, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32,23/64, and 3/8inch.
- Made of high-speed steel with a titanium finish and quenching treatment. Titanium coating can extend the life by 5 times.
- Precision grinding inclined blade helps ensure fast drilling, impressive cutting power, and excellent chip removal.
- 21 sets of high-speed steel twist drills, with durable plastic storage boxes, sizes from 3/64" to 1/2". Fully meet your different needs.
YIYITOOLS
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Hassle-free returns
30-day postage paid returns
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