Master 530641 Marble Granite Diamond Core Drill Bit 18 mm

Master 530641 Marble Granite Hole Saw Diamond Tipped 18 mm

Precise Hole Drilling on Hard Surfaces

The Master 530641 Marble Granite Hole Saw Diamond Tipped 18 mm is a professional cutting tool designed to create precise, clean, and smooth holes in extremely hard and brittle materials such as ceramic, porcelain, marble, granite, natural stone, and glass, which traditional drill bits cannot cut. This hole saw is used with electric drills for wet or dry cutting techniques.

The cutting surface of the hole saw is coated with high-density diamond particles. Since diamond is the hardest known material, it allows the hole saw to easily grind and cut even dense mineral stones like marble and granite. Its 18 mm diameter is ideal for small-diameter pipe passages, sensor installations, decorative screw points, and bathroom accessories. This hole saw minimizes the risk of breaking or cracking, providing a professional finish when working on expensive and delicate materials.

Product Features

Feature	Detail
Product Name	Master 530641 Marble Granite Hole Saw
Cutting Diameter	18 mm
Cutter Tip Material	Diamond Coated Tip (High density)
Intended Use	Creating circular holes in hard and brittle surfaces
Compatible Materials	Marble, Granite, Ceramic, Porcelain, Natural Stone, Tile, Glass
Advantage	Maximum cutting hardness, reduced risk of cracking, clean and smooth hole edges, long lifespan

Areas of Use and Industries

The Master 530641 Diamond Tipped Hole Saw 18 mm is a critical tool in all construction, decoration, and manufacturing sectors that require precise hole drilling in hard and aesthetic materials:

Sectors

Kitchen and Bathroom Renovation: Drilling holes in tiles, ceramics, and porcelain for mounting accessories such as shower cabins, towel rails, mirrors, and soap dishes.

Marble and Granite Processing: Creating precise openings for small sink faucets, edge screw points, or decorative element installations in kitchen countertops.

Natural Stone Applications: Drilling holes for lighting fixtures, sensors, or small pipe passages in interior and exterior cladding.

Glass Industry and Decoration: Drilling holes for small connecting screws and mounting systems in thick glass panels or mirrors (at low speeds and with plenty of water).

Plumbing and Electrical (Precise Installation): Working through hard tiled floors and walls for water pipes or electrical cables, preventing breakage.

Applications

Accessory Installation: Drilling holes in tiles for connection elements with a diameter of 18 mm or similar in bathrooms.

Screwing Points: Pre-drilling screw points for fixing granite or marble slabs to the sub-structure.

Sensor and Thin Pipe Passages: Creating watertight and crack-free holes for water meter pipe passages or thermometer sensor installations.

Tile Repair: When a broken tile needs repair, drilling a precise hole to prevent the damage from spreading.

About the Product - Diamond Coating: The Savior of Brittle Materials

Why Diamond Coating? The Balance of Hardness and Precision

The main challenge with materials like marble, granite, and porcelain is that they are both very hard and brittle enough to break. Standard metal or carbide drill bits tend to crack the surface, damage the hole edges, and can completely break the tile when attempting to drill holes in these materials. The diamond-tipped structure of the Master 530641 solves this problem in two ways:

Maximum Hardness: Diamond particles cut the material surface by slowly and controllably grinding it. This means a precise abrasive force is applied instead of a striking or breaking force.

Low Vibration: Controlled cutting minimizes vibration and shock during drilling, which prevents cracking or roughening of the edges of the brittle material. The result is aesthetically flawless, smooth, and clean hole edges after installation.

Wet Use and Long Lifespan

Diamond hole saws achieve the highest performance and longest lifespan with wet (water-cooled) use. Water rapidly dissipates the excessive heat generated in the cutting zone, extending the life of the diamond coating and preventing thermal cracks in the material. This small 18 mm diameter hole saw ensures a fast and reliable drilling process, especially in tasks frequently encountered by professionals, such as bathroom accessory installations. The quality of the hole saw means that dozens, even hundreds, of holes can be drilled with a single tool, which creates significant cost-effectiveness for the professional.

The Master 530641 Marble Granite Hole Saw Diamond Tipped 18 mm is an essential and indispensable cutting tool for all professionals seeking a flawless and reliable hole-drilling solution in expensive and hard materials within the kitchen/bathroom renovation, marble/granite processing, and precise plumbing installation sectors, thanks to its superior cutting power provided by the diamond coating, precise cutting that minimizes the risk of cracking in brittle materials, and its 18 mm diameter suitable for common accessory mounting standards.