Deli 43 Twist Drill Industrial Grade Round Shank High Hardness Fast Drilling Stainless Steel Aluminum Alloy [3.5mm] 10pcs

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

Only suitable for cold-rolled steel; do not use on quenched or tempered materials

Larger diameter drill bits require slower rotation speeds

Confirm drill chuck compatibility for drill bits 10mm and above before purchase

1.0mm / 12mm / 34mm

1.5mm / 18mm / 40mm

2.0mm / 24mm / 49mm

2.5mm / 30mm / 57mm

2.8mm / 30mm / 57mm

3.0mm / 33mm / 61mm

3.2mm / 33mm / 61mm

3.5mm / 33mm / 61mm

4.0mm / 33mm / 61mm

4.2mm / 43mm / 75mm

4.5mm / 47mm / 80mm

5.0mm / 47mm / 80mm

5.2mm / 47mm / 80mm

6.0mm / 57mm / 93mm

7.5mm / 69mm / 109mm

8.0mm / 75mm / 117mm

8.5mm / 75mm / 117mm

9.0mm / 81mm / 125mm

9.5mm / 81mm / 125mm

10.0mm / 87mm / 133mm

10.5mm / 87mm / 133mm

11.0mm / 94mm / 142mm

11.5mm / 94mm / 142mm

12.0mm / 101mm / 151mm

12.5mm / 101mm / 151mm

14.0mm / 101mm / 151mm

All dimensions are manually measured; slight deviations may occur. Actual product received shall prevail.

Compatible with a wide range of models including household electric drills, lithium drills, impact drills, bench drills, industrial drilling machines, magnetic drills, and machining centers.

deli brand ensures professional quality and reliable performance

Designed for grooving and cutting applications

High toughness and wear resistance make it ideal for demanding drilling tasks

Clear laser marking for easy identification and authenticity verification

Secure grip and anti-slip round shank design for stable operation and easy handling

Product images are real photos showcasing the actual product without gimmicks.

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