Tornado Core Drill Bits

Wet or Dry / For very hard quartzite / Turbo segments / Coarse grit diamonds

Professional Core Drill Bit for Very Hard Quartzite

Very hard quartzite requires a core drill bit capable of maintaining aggressive drilling performance through dense and difficult stone materials.

DIATOP Tornado Core Drill Bit is designed for easy drilling of very hard quartzite, including Taj Mahal quartzite.

The bit uses a DIATOP original super soft metal bond together with top-quality diamonds specifically suited to hard quartzite.

Turbo segments support fast drilling, while coarse-grit diamonds provide aggressive drilling performance.

Type of Equipment: D / D / HG (Drill Press / Power Drill / Handheld Grinder)

Key Features

• Easy drilling of very hard quartzite such as Taj Mahal.

• DIATOP original super soft metal bond.

• Top-quality diamonds for drilling hard quartzite.

• Turbo segments for fast drilling.

• Coarse-grit diamonds for aggressive drilling.

• Wet or Dry drilling.

Available Sizes

Item – Diameter inch / Diameter mm / Thickness mm

• TQC 25 – 1 inch / 25 mm / 3.0 mm

• TQC 28 – 1 1/8 inch / 28 mm / 3.0 mm

• TQC 32 – 1 1/4 inch / 32 mm / 3.0 mm

• TQC 35 – 1 3/8 inch / 35 mm / 3.0 mm

• TQC 38 – 1 1/2 inch / 38 mm / 3.0 mm

• TQC 40 – 1 5/8 inch / 40 mm / 3.0 mm

• TQC 45 – 1 3/4 inch / 45 mm / 3.0 mm

• TQC 50 – 2 inch / 50 mm / 3.3 mm

• TQC 64 – 2 1/2 inch / 64 mm / 3.3 mm

• TQC 75 – 3 inch / 75 mm / 3.3 mm

* Segment height: 7 mm

* Thread: 5/8"-11, M14

Technical Notes

• Wet or Dry drilling

• Bond: DIATOP original super soft metal bond

• Segment Type: Turbo

• Diamond Type: Coarse grit

• Segment Height: 7 mm

• Thread options: 5/8"-11, M14

• Suitable material: Very hard quartzite, including Taj Mahal

Typical Applications

quartzite drilling, Taj Mahal quartzite drilling, very hard quartzite drilling, wet quartzite drilling, dry quartzite drilling, countertop hole drilling, quartzite countertop fabrication, aggressive core drilling, stone fabrication, vanity drilling

Q1. What core drill bit is recommended for very hard quartzite such as Taj Mahal?

A. DIATOP Tornado Core Drill Bit is designed specifically for easy drilling of very hard quartzite such as Taj Mahal. It uses a super soft metal bond, turbo segments, and coarse-grit diamonds.

Q2. What features make the Tornado Core Drill Bit suitable for hard quartzite?

A. The catalog specifies a DIATOP original super soft metal bond, top-quality diamonds for hard quartzite, turbo segments for fast drilling, and coarse-grit diamonds for aggressive drilling.

Q3. Can the Tornado Core Drill Bit be used for both wet and dry drilling?

A. Yes. DIATOP Tornado Core Drill Bit is designed for both wet and dry drilling. Available thread options are 5/8"-11 and M14.

For Tornado core drill bit selection guidelines, thread compatibility, wet or dry drilling conditions, and troubleshooting guidance, please visit the DIATOP Tech Notes section.