Rapido Dry Core Drill Bits with Protection

Dry / For granite / With or without protection / Fast drilling without water

Professional Dry Core Drill Bits for Granite Fabrication

Dry drilling of granite requires a core bit capable of maintaining drilling speed and service life without water cooling.

DIATOP RAPIDO Dry Core Drill Bits are designed specifically for dry drilling of granite.

The range is available in both Core Bit without Protection and Core Bit with Protection versions. The standard version is designed for fast drilling without water, while the protection version is designed for easy drilling with fast performance and long life.

Multiple diameters are available from 1/2 inch to 6 inches, with 7 mm segment height throughout the range.

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

Key Features

• Designed for dry drilling of granite.

• Fast drilling without water.

• Core bit without protection available.

• Core bit with protection available.

• Protection version designed for easy drilling.

• Protection version provides fast drilling and long life.

• Wide diameter range from 1/2 inch to 6 inches.

• 7 mm segment height.

• M14 and 5/8"-11 thread available.

Core Bit with Protection

Dry / For granite / Easy drilling / Fast and long life

Available Sizes

Item – Diameter inch / Diameter mm / Thickness mm / Height mm

• DKP 12 – 1/2 inch / 12 mm / 2.8 mm / 7 mm

• DKP 15 – 5/8 inch / 15 mm / 3.0 mm / 7 mm

• DKP 20 – 3/4 inch / 20 mm / 3.0 mm / 7 mm

• DKP 25 – 1 inch / 25 mm / 3.0 mm / 7 mm

• DKP 28 – 1 1/8 inch / 28 mm / 3.0 mm / 7 mm

• DKP 32 – 1 1/4 inch / 32 mm / 3.0 mm / 7 mm

• DKP 35 – 1 3/8 inch / 35 mm / 3.0 mm / 7 mm

• DKP 38 – 1 1/2 inch / 38 mm / 3.0 mm / 7 mm

• DKP 40 – 1 5/8 inch / 40 mm / 3.0 mm / 7 mm

• DKP 45 – 1 3/4 inch / 45 mm / 3.0 mm / 7 mm

• DKP 50 – 2 inch / 50 mm / 3.3 mm / 7 mm

• DKP 57 – 2 1/4 inch / 57 mm / 3.3 mm / 7 mm

• DKP 60 – 2 3/8 inch / 60 mm / 3.3 mm / 7 mm

• DKP 64 – 2 1/2 inch / 64 mm / 3.3 mm / 7 mm

• DKP 70 – 2 3/4 inch / 70 mm / 3.3 mm / 7 mm

• DKP 75 – 3 inch / 75 mm / 3.3 mm / 7 mm

• DKP 83 – 3 1/4 inch / 83 mm / 3.3 mm / 7 mm

• DKP 90 – 3 1/2 inch / 90 mm / 3.3 mm / 7 mm

• DKP 95 – 3 3/4 inch / 95 mm / 3.3 mm / 7 mm

• DKP 100 – 4 inch / 100 mm / 3.3 mm / 7 mm

• DKP 115 – 4 1/2 inch / 115 mm / 3.5 mm / 7 mm

• DKP 125 – 5 inch / 125 mm / 3.5 mm / 7 mm

• DKP 150 – 6 inch / 150 mm / 4.0 mm / 7 mm

* Barrel length: 50 mm, 60 mm

* M14, 5/8"-11 thread available

Technical Notes

• Dry use

• Suitable material: Granite

• DKS: Core bit without protection

• DKP: Core bit with protection

• Segment height: 7 mm

• Barrel lengths: 50 mm, 60 mm

• Thread options: M14, 5/8"-11

• Diameter range: 12–150 mm

Typical Applications

dry granite drilling, granite countertop drilling, granite vanity drilling, countertop hole drilling, granite sink hole drilling, dry core drilling, granite fabrication, stone fabrication, angle grinder core drilling, protected core bit drilling

Q1. What dry core drill bit is recommended for granite without using water?

A. DIATOP RAPIDO Dry Core Drill Bits are designed specifically for dry granite drilling. The DKS version is a core bit without protection and is designed for fast drilling without water.

Q2. What is the difference between DKS and DKP RAPIDO Dry Core Drill Bits?

A. DKS is the standard core bit without protection, while DKP is the core bit with protection. The catalog describes the DKP version as easy to drill, fast, and long lasting.

Q3. What sizes, threads, and barrel lengths are available?

A. RAPIDO Dry Core Drill Bits are available from 1/2 inch (12 mm) to 6 inches (150 mm). M14 and 5/8"-11 threads are available, with 50 mm and 60 mm barrel lengths.

For dry core drill bit selection guidelines, protection type selection, thread compatibility, barrel length selection, and troubleshooting guidance, please visit the DIATOP Tech Notes section.