You save 1,490 (32%)
32% off the seller list price
Estimated doorstep delivery by 11 Nov - 13 Nov from USA
High-Performance Core Drilling at Competitive Price
The DAMO 3/4 inch diamond core drill bit is engineered for precision drilling in tough materials like granite, marble, and ceramic tiles. Using vacuum brazed technology, it offers aggressive cutting and chip-free performance, ideal for countertop and construction applications in India. Compatible with high-speed angle grinders, it ensures durability and clean cuts even in dense stone surfaces. Whether drilling faucet holes or pipe openings, this bit provides reliable results with minimal chipping. Its design supports wet or dry operation, with wet cutting recommended for optimal cooling and dust control. Imported from the USA, it guarantees quality and performance for professional and DIY projects.
In Indian workshops, this drill bit handles natural stone and engineered surfaces efficiently, reducing rework and material waste. Its 20mm diameter matches common hole sizes for plumbing and electrical installations. The vacuum brazed tech extends the bit's lifespan, making it a cost-effective choice for frequent use. Delivered via ExpressBox, it arrives factory-sealed, ready for immediate use, with all duties pre-paid. Perfect for contractors, masons, and renovation specialists seeking reliable, high-performance core drilling tools.
Premium Vacuum Brazed Technology
DAMO's vacuum brazed tech provides superior cutting performance, preventing chipping and ensuring long-lasting durability even in dense stone surfaces. This method offers cleaner cuts and minimizes material wastage, making it ideal for professional use in India.
Designed for Tough Natural and Engineered Stone
This drill bit is optimized for granite, marble, quartzite, and engineered stone, supporting both wet and dry drilling modes. It helps Indian masons and contractors achieve precise, chip-free holes in countertops and construction projects, with minimal rework.
Typical situations where DAMO 3/4 inch Diamond Core Drill Bit for Porcelain helps — illustrative scenarios, not customer reviews.
A Mumbai-based contractor needs to drill 20 granite countertop holes for kitchen installation, requiring clean cuts and minimal chipping.
DAMO 20mm core bit drilled all holes with precision, supporting wet operation, reducing rework, saving ₹ on material waste, completed in 2 days.
A Delhi masons' team frequently drills through engineered stone for vanity sinks, needing durable tools for daily use.
This vacuum brazed core bit withstands daily heavy use, delivers consistent performance, and arrives factory-sealed in 11-13 days.
| Active Ingredient | Diamond abrasive |
| Coating | Vacuum brazed |
| Durability | Extended edge life |
| Recommended Use | Wet or dry drilling in porcelain, ceramic, granite, marble, stone, brick |
| Recomm. Speed | Up to 11,000 RPM |
| Shelf Life | Factory-sealed on arrival, check manufacturer's date |
| Cost per use | ₹3,220 per bit |
| Reapplication math | Supports multiple holes; use in continuous operation for best results |
| Contraindications | Avoid dry drilling in extremely dense materials without cooling |
| Allergens / irritants | Diamond abrasive, no chemical allergens |
| Feature | DAMO 3/4 inch | Others |
|---|---|---|
| Material Durability | Vacuum brazed diamond technology offers longer lifespan and chip-free cuts | Standard carbide bits with shorter lifespan and more chipping |
| Cutting Performance | Supports wet/dry operation, up to 11,000 RPM, drills through 1-1/4" granite | Limited to dry use, lower RPM, struggles with dense stone |
| Size Compatibility | 20mm (3/4") diameter, fits most high-speed angle grinders | Commonly available in smaller sizes, less precise for large holes |
| Price & Cost-Per-Use | ₹3,220 for 1 piece — ₹3,220 per bit | ₹1500-2000 per bit, shorter lifespan, higher cost per hole |
| SKU | njq0430 |
| GTIN | 6946937102476 |
| Brand | DAMO |
| Size | 20mm 3/4" |
| Material | Diamond |
| Item Dimensions | 1 in x 3 in x 1 in |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners |
About DAMO
DAMO is a leading manufacturer of diamond tools, known for innovative vacuum brazed tech and reliable performance in construction and renovation projects.
Compliance & Legal
This is a diamond core drill bit for professional use. No medical or safety claims. Factory-sealed, imported from USA, with all duties included.
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This item:
DAMO 3/4 inch Diamond Core Drill Bit for Porcelain, Ceramic, Tile, Quartzite, Granite, Marble, Stone & Brick | 20mm Diameter, Vacuum Brazed Tech
3,220
This item
DAMO 3/4 inch Diamond Core Drill Bit for Porcelain, Ceramic, Tile, Quartzite, Granite, Marble, Stone & Brick | 20mm Diameter, Vacuum Brazed Tech
3,220
Total price:
10,000
You save 4,140 (29%) Extra3 items selected
3 items
10,000You save 4,140 (29%) Extra
| Attributes | Current |  |  |  |  | ||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 3,220 4,710 | 3,100 4,320 | 3,680 5,110 | 3,290 4,360 | 26,130 37,180 | 2,710 4,330 | 3,870 3,890 |
| Brand Name | DAMO | BRSCHNITT | BRSCHNITT | BRSCHNITT | ArcherPro | KKOYING | TOREGE |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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