4341 High Speed Steel Black - Gold Small Shank Drills: Multiple Models, 12-10mm to 35-12.7mm, for Stainless Steel, Copper, Plastic, Wood & More

1. The small-shank twist drill bit is made of high-quality high-speed steel, featuring good wear resistance, high cutting edge strength, and fast cutting speed.
2. With numerically controlled precision grinding of the double relief angle, it cuts more sharply and drills holes more quickly.
3. The widened chip removal groove enables rapid and efficient chip removal, effectively preventing the drill bit from burning due to accumulated heat.
4. The universal shank is compatible with more devices and can be clamped more firmly.
5. There are various models ranging from 12-10mm to 35-12.7mm for you to choose from, meeting your different needs.
6. It is suitable for a variety of different devices. For the electric hand drill: within Φ16mm (it cannot be used when the thickness of the steel plate is greater than 5mm and the hole diameter is greater than 16mm). For the bench drill: within Φ20mm (it cannot be used when the thickness of the steel plate is greater than 20mm and the hole diameter is greater than 20mm). For the magnetic drill: within Φ30mm (it cannot be used when the thickness of the steel plate is greater than 30mm and the hole diameter is greater than 30mm).
7. When drilling stainless steel, it is essential to inject water.

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