Deli 43 Twist Drill Industrial Grade Round Shank High Hardness Fast Drilling Stainless Steel Aluminum Alloy [1.0mm] 10pcs

Not recommended for lithium battery drills under 24V due to insufficient power

For drilling hard materials, use water cooling to prevent drill bit damage

Designed for cold-rolled steel only; do not use on quenched or tempered materials

Drill bit shank diameter matches drill diameter; confirm chuck compatibility for sizes 10mm and above

When drilling larger diameters, reduce rotation speed accordingly

1.0mm / 1.0mm / 12mm / 34mm

1.5mm / 1.5mm / 18mm / 40mm

2.0mm / 2.0mm / 24mm / 49mm

2.5mm / 2.5mm / 30mm / 57mm

2.8mm / 2.8mm / 30mm / 57mm

3.0mm / 3.0mm / 33mm / 61mm

3.2mm / 3.2mm / 33mm / 61mm

3.5mm / 3.5mm / 33mm / 61mm

4.0mm / 4.0mm / 33mm / 61mm

4.2mm / 4.2mm / 43mm / 75mm

4.5mm / 4.5mm / 47mm / 80mm

5.0mm / 5.0mm / 47mm / 80mm

5.2mm / 5.2mm / 47mm / 80mm

5.5mm / 5.5mm / 57mm / 93mm

6.0mm / 6.0mm / 57mm / 93mm

7.5mm / 7.5mm / 69mm / 109mm

8.0mm / 8.0mm / 75mm / 117mm

8.5mm / 8.5mm / 75mm / 117mm

9.0mm / 9.0mm / 81mm / 125mm

9.5mm / 9.5mm / 81mm / 125mm

10.0mm / 10.0mm / 87mm / 133mm

10.5mm / 10.5mm / 87mm / 133mm

11.0mm / 11.0mm / 94mm / 142mm

11.5mm / 11.5mm / 94mm / 142mm

12.0mm / 12.0mm / 101mm / 151mm

12.5mm / 12.5mm / 101mm / 151mm

14.0mm / 14.0mm / 101mm / 151mm

All dimensions are manually measured; slight deviations may occur, please refer to the actual product received.

For best performance, use appropriate speed and cooling methods.

Product images are real photos, reflecting actual product quality without deception.

Widely used for drilling stainless steel, mold steel, aluminum alloy, cast iron, copper, galvanized pipes, and other metal materials.

Suitable for household and industrial drilling equipment.

Avoid use on hardened or tempered materials.

Use water cooling when drilling hard materials to prevent overheating and damage.

Choose deli for professional, durable, and efficient drilling solutions.

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