A Mumbai-based contractor needs to drill 20 granite countertop holes weekly.
DAMO 35mm drill bits handle tough granite with minimal chipping, reducing rework and saving ₹ on replacements.
You save 1,890 (32%)
Estimated doorstep delivery by 23 Nov - 25 Nov from USA






Get Professional-Grade Drilling at a Competitive Price
DAMO 1-3/8 inch diamond core drill bit is a high-performance tool designed for drilling through porcelain, ceramic, granite, marble, and engineered stone in India. Utilizing vacuum brazed technology, it ensures aggressive cutting and chip-free results, even on the toughest surfaces. Suitable for high-speed angle grinders with 5/8" -11 spindle, it supports wet and dry use, with wet drilling recommended for optimal cooling and dust control. Perfect for countertop, vanity, and construction pipe holes, it offers precise, clean cuts with minimal backside chipping. Compatible with standard electric drills via optional adapter, it is a reliable choice for professional and DIY projects.
Its vacuum brazed tech extends bit life, reducing replacement costs. The 35mm size fits common countertop and tile applications, making it versatile for builders and renovators. Delivered in 48 hours via ExpressBox, duties are pre-paid, ensuring hassle-free import. Suitable for use in construction, plumbing, and renovation projects, it supports efficient, professional-grade drilling in Indian conditions.
Advanced Vacuum Brazed Technology
DAMO's vacuum brazed tech provides superior cutting performance, preventing chipping and extending bit life. This ensures clean, precise holes in natural stone and ceramic surfaces, ideal for Indian builders seeking durability and efficiency.
Ideal for Tough Stone & Tile Drilling
Designed for use on high-speed angle grinders, it handles granite, quartzite, and engineered stone with ease. Perfect for countertop, vanity, and construction pipe holes, supporting professional and DIY projects in India.
Typical situations where DAMO 1-3/8 inch Diamond Core Drill Bit for Porcelain helps — illustrative scenarios, not customer reviews.
A Mumbai-based contractor needs to drill 20 granite countertop holes weekly.
DAMO 35mm drill bits handle tough granite with minimal chipping, reducing rework and saving ₹ on replacements.
A renovation worker in Delhi drills ceramic tiles for bathroom fixtures.
The vacuum brazed tech ensures smooth, chip-free holes, supporting quick, professional results in humid conditions.
| Active Material | Diamond |
| Coating | Vacuum Brazed |
| Max RPM | 11,000 |
| Drilling Depth | 2 inches |
| Shank Type | 5/8" -11 thread |
| Suitable For | Porcelain, ceramic, granite, marble, engineered stone |
| Cost per use | ₹3,940 per bit |
| Shelf life after opening | Not specified |
| Reapplication math | Supports multiple holes with proper cooling |
| Contraindications | Avoid dry drilling on very hard surfaces without cooling |
| Allergens / irritants | None |
| Feature | DAMO 1-3/8 inch | Others |
|---|---|---|
| Material Durability | Diamond vacuum brazed tech extends bit life, prevents chipping | Standard carbide bits wear faster, chip more in tough stone |
| Size Range | Available from 1/4" to 3" sizes, including 1-3/8" (35mm) | Limited sizes, often below 1 inch, less versatile |
| Drilling Performance | Supports up to 11,000 RPM for fast, clean holes | Lower RPM support, slower drilling, more chipping |
| Price & Cost-Per-Use | ₹3,940 for 1 bit — ₹3,940 per bit | ₹1500-2000 per bit, higher cost, shorter lifespan |
| SKU | twp5492 |
| GTIN | 0733353647935 |
| Brand | DAMO |
| Size | 35mm (1-3/8 inch) |
| Material | Diamond |
| Color | Black |
| Item Weight | 5.12 oz (145 g) |
About DAMO
DAMO Diamond Tools specializes in high-performance cutting tools, trusted globally for durability and precision in stone and tile drilling.
Compliance & Legal
This is a diamond core drill bit for professional use. Always wear eye protection during drilling. No medical claims.
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This item:
DAMO 1-3/8 inch Diamond Core Drill Bit for Porcelain, Ceramic, Tile, Quartzite, Granite, Marble, Stone & Brick | Vacuum Brazed Technology
3,940

This item
DAMO 1-3/8 inch Diamond Core Drill Bit for Porcelain, Ceramic, Tile, Quartzite, Granite, Marble, Stone & Brick | Vacuum Brazed Technology
3,940
Total price:
8,620
You save 4,310 (33%) Extra3 items selected
3 items
8,620You save 4,310 (33%) Extra
| Attributes | Current ![]() | ![]() | ![]() | ![]() | |||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 3,940 5,830 | 1,580 2,780 | 3,100 4,320 | 3,480 5,420 | 3,680 5,110 | 5,530 7,900 | 5,030 7,930 |
| Brand Name | DAMO | PHITUODA | BRSCHNITT | BRSCHNITT | BRSCHNITT | MIP | MAWA |
| 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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