How to buy original Semderm diamond drill bits in India?

Semderm diamond drill bits are imported directly from authorized US retailers and authorized brand partners and sold exclusively through crowcrowcrow.com. Each set is factory-sealed and comes with all customs duties and GST pre-paid, ensuring you receive authentic tools without hidden charges. Delivery is handled via ExpressBox for secure tracking across India.

What materials can these diamond drill bits cut?

These diamond drill bits are designed for hard, brittle materials including glass, ceramic tile, porcelain, marble, granite, stone, and bottles. They are ideal for creating clean holes in these surfaces. For drilling dense metal or concrete, specialized bi-metal or carbide-tipped bits are recommended.

How do I ensure the best performance and longevity of the diamond bits?

To maximize performance and extend the life of your Semderm diamond drill bits, always use water lubrication during drilling. This helps cool the bit, prevents overheating, and flushes away debris. Maintain a steady, controlled speed and avoid excessive force, especially on delicate materials.

Are these drill bits suitable for drilling through glass bottles?

Yes, these diamond drill bits are specifically designed to drill through glass bottles, as well as ceramic, porcelain, marble, and granite. The diamond coating ensures a sharp, precise cut on these hard surfaces. Remember to use water lubrication for best results and to prevent cracking.

What is the size range of the diamond hole saw set?

The Semderm 15-piece diamond hole saw set includes a comprehensive range of sizes from 6 mm (1/4") up to 50 mm (2"). This variety ensures you have the correct bit for most common drilling tasks on hard surfaces, from small holes to larger openings.

Will the arbors fit my drill?

The Semderm diamond hole saw set typically includes straight shank arbors designed to fit standard drill chucks. While specific arbor shank sizes are not detailed, these are generally compatible with common 10mm or 13mm chucks found on most corded and cordless drills. Always check your drill's chuck capacity.

Can I use these drill bits for metal drilling?

These diamond drill bits are optimized for hard, brittle materials like glass, tile, and stone. They are not designed for drilling dense metals. For metal drilling, you would typically need bi-metal or cobalt drill bits, which are specifically engineered to cut through steel and other alloys.

Semderm Diamond Hole Saw Set 15 PCS (6mm-50mm)

Name: Semderm Diamond Hole Saw Drill Bit Set 15 PCS (6 mm - 50 mm) | For Tile, Glass, Granite, Stone
Brand: Semderm
SKU: tkm3706
Price: 2102.00 INR
Availability: InStock

About this item

Semderm's 15-piece diamond hole saw drill bit set provides a versatile solution for cutting hard materials like glass, tile, porcelain, marble, granite, and stone. Crafted from upgraded carbon steel with a smooth nickel plating, these bits are built for durability and corrosion resistance, ensuring sharp, precise cuts without edge collapse. The set includes 15 different sizes, ranging from 6 mm (1/4") to 50 mm (2"), meeting a wide array of drilling demands for various projects.

Each diamond-coated bit is designed for premium quality and improved drilling efficiency, creating smooth, high-precision holes. The hollow core design features a large clearance hole that facilitates cooling water entry and chip escape, making the drilling process easier and more relaxed. For optimal performance and to extend the life of the drill bits, it is recommended to continuously add water during the drilling process for lubrication.

These diamond drill bits are imported from authorized US retailers and authorized brand partners and are available in India with all customs duties and GST included. Delivered via ExpressBox, they offer a reliable solution for DIY enthusiasts and professionals tackling tough materials. Ensure your projects are completed with precision and ease.

Key Features

Diamond Drill Bits — These Diamond drill bits are made of upgraded carbon steel with smooth nickel plating surface to resist corrosion, sharp and durable without edge collapse.
Premium Quality — Hollow Core Drill Bit Set Coated with high quality diamond to improve drill efficiency and creates a sharp, high precision and smooth cut.
Diamond Hole Saw 15 Sizes — 1/4", 5/16", 3/8", 1/2", 9/16", 5/8", 11/16", 4/5", 7/8", 1", 1-10", 1-1/5", 1-3/8", 1-3/5", 2", to meet various drill needs.
Versatile Uses — Glass drill bits are used to drill Glass Ceramic Bottles Pots Porcelain Marble Granite Stone.
Tips — Please keep adding water when drilling to extend the life.Besides the water lubrication will improve the drilling experience.

Why choose this product

Engineered for Hard Materials

Semderm's diamond hole saws are specifically engineered for demanding materials like granite, marble, and porcelain. Unlike standard drill bits, their diamond coating and robust carbon steel construction ensure efficient cutting and longevity. The integrated cooling system, facilitated by large clearance holes, prevents overheating and extends the life of the bits, making them a reliable choice for tough jobs. This imported set offers a quality alternative for Indian users tackling challenging drilling tasks.

Ideal for DIY & Professionals

This set is perfect for homeowners undertaking DIY projects like installing fixtures in bathrooms or kitchens, or for professionals needing reliable bits for tile, glass, or stone work. Those who frequently work with hard surfaces and require precise, clean holes will find value. However, individuals needing bits for extremely dense concrete or metal drilling should consider specialized carbide or bi-metal sets, as these diamond bits are optimized for brittle materials.

How to use

Choose the Semderm diamond hole saw bit size appropriate for your material (glass, tile, stone) and the desired hole diameter. Ensure the bit is securely attached to your drill chuck. — Select the Right Bit
Begin drilling at a slight angle to create a starting groove. Continuously apply water to the drilling area to cool the bit and flush away debris, which is crucial for longevity and preventing material cracking. — Apply Water Lubrication
Drill at a steady, moderate speed. Apply consistent, light to moderate pressure. Allow the diamond coating to do the work; do not force the bit. Once the hole is complete, clean the area and the bit. — Drill with Steady Pressure

Example scenarios

Typical situations where Semderm Diamond Hole Saw Drill Bit Set 15 PCS (6 mm - 50 mm) | For Tile helps — illustrative scenarios, not customer reviews.

Scenario 1

Illustrative example

Where it helps

Installing new tiles in a bathroom or kitchen in humid coastal cities like Mumbai or Chennai.

How this product helps

Semderm's diamond bits precisely cut through ceramic and porcelain tiles for fixtures, with water lubrication preventing overheating in humid conditions. The 15-piece set ensures you have the right size for any plumbing or electrical cutout.

Scenario 2

Illustrative example

Where it helps

Creating precise holes in granite countertops or marble for plumbing in construction projects across India.

How this product helps

The diamond coating on these bits ensures clean, accurate holes in hard stone like granite and marble, crucial for professional installations. The set's range of sizes accommodates various pipe and fixture diameters, with water cooling maintaining bit integrity.

Specifications & installation

Specifications

Coating	Diamond
Base Material	Upgraded Carbon Steel

Installation & usage

Recommended Surfaces	Glass, Tile, Ceramic, Porcelain, Marble, Granite, Stone, Bottles
Sizes Included	6 mm (1/4"), 8 mm (5/16"), 10 mm (3/8"), 12 mm (1/2"), 14 mm (9/16"), 16 mm (5/8"), 18 mm (11/16"), 20 mm (4/5"), 22 mm (7/8"), 25 mm (1"), 25 mm (1-10"), 32 mm (1-1/5"), 35 mm (1-3/8"), 40 mm (1-3/5"), 50 mm (2")
Drilling Tip	Diamond
Cooling Method	Water Lubrication Recommended
Cost per use	15 bits at ₹2,102 — ₹140 per bit
Shelf life after opening	N/A (Durable Tool)
Contraindications	Not recommended for dense metal or concrete drilling; may chip brittle materials if excessive force is used.
Allergens / common irritants	None

How we compare

Feature	Semderm Diamond Hole	Others
Material & Coating	Upgraded carbon steel with diamond coating for hard surfaces.	Varies; some local sets use basic steel or carbide-tipped bits, less effective on glass/tile.
Size Range	15 sizes from 6 mm (1/4") to 50 mm (2").	Typically 5-10 sizes, often smaller range, e.g., 19mm-50mm.
Cooling & Chip Removal	Large clearance holes for water entry and chip escape.	Basic hole saws may lack efficient clearance, leading to overheating.
Cost per bit	15 bits at ₹2,102 — ₹140 per bit	Local sets often cost ₹800-1500 for 5-10 bits, making per-bit cost higher.
Surface Suitability	Excellent for glass, tile, porcelain, granite, marble, stone.	Good for wood/plastic; limited on glass/tile unless specifically diamond-coated.

SKU	tkm3706
GTIN	0605500325563
Brand	Semderm
Set Name	15 PCS Diamond Hole Saw Drill Bit Set
Number of Pieces	15
Material	Carbon Steel with Nickel Plating
Finish Type	Nickel
Shank Type	Straight
Item Weight	323.18 grams (11.4 ounces)
Package Dimensions	5 cm x 9.6 cm x 11.6 cm
Country of Origin	Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners

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Semderm Diamond Hole Saw Drill Bit Set 15 PCS (6 mm - 50 mm) | For Tile, Glass, Granite, Stone

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