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Masonry Core Drill Bits
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  8. DAMO 1-3/8 inch…
DAMO

DAMO 1-3/8 inch Diamond Core Drill Bit for Porcelain, Ceramic, Tile, Quartzite, Granite, Marble, Stone & Brick | Vacuum Brazed Technology

DAMO 1-3/8 inch Diamond Core Drill Bit for Porcelain, Ceramic, Tile, Quartzite, Granite, Marble, Stone & Brick | Vacuum Brazed Technology - main product image
All-inclusive price — duties & taxes paid, no customs charges at delivery
₹3,940₹5,830

You save ₹1,890 (32%)

Qty
DAMO 1-3/8 inch Diamond Core Drill Bit for Porcelain, Ceramic, Tile, Quartzite, Granite, Marble, Stone & Brick | Vacuum Brazed Technology — 35mm 1-3/8"
35mm 1-3/8"
₹3,940
₹5,830
In Stock
DAMO 1-3/8 inch Diamond Core Drill Bit for Porcelain, Ceramic, Tile, Quartzite, Granite, Marble, Stone & Brick | Vacuum Brazed Technology — 39mm 1-1/2"
39mm 1-1/2"
₹4,170
₹6,620
In Stock
DAMO 1-3/8 inch Diamond Core Drill Bit for Porcelain, Ceramic, Tile, Quartzite, Granite, Marble, Stone & Brick | Vacuum Brazed Technology — 64mm 2-1/2"
64mm 2-1/2"
₹6,060
₹9,350
In Stock
DAMO 1-3/8 inch Diamond Core Drill Bit for Porcelain, Ceramic, Tile, Quartzite, Granite, Marble, Stone & Brick | Vacuum Brazed Technology — 20 mm
20 mm
₹3,190
₹4,660
In Stock

Estimated doorstep delivery by 23 Nov - 25 Nov from USA

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Get Professional-Grade Drilling at a Competitive Price

About this item

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.

Key Features

  • Diameter 1-3/8", Max. drilling depth 2";
  • 5/8"-11 thread fits on most popular high-speed grinders;
  • Dry or wet use. Wet drilling is always recommended for enhanced cooling and effective dust control;
  • Vacuum brazed technology prevents chipping of stone and ensures aggressive drilling;
  • Max. speed 11,000 RPM.

Why choose this product

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.

How to use

  • Prepare the surface — Clamp a scrap stone underneath to support backside, mark the hole position, and set the template for accuracy.
  • Start drilling — Use a slow speed to initiate, then increase RPM up to 11,000, applying water for cooling if wet drilling is preferred.
  • Complete the hole — Apply steady pressure, keep the drill straight, and stop once the desired depth (2 inches) is reached.

Example scenarios

Typical situations where DAMO 1-3/8 inch Diamond Core Drill Bit for Porcelain helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

A Mumbai-based contractor needs to drill 20 granite countertop holes weekly.

How this product helps

DAMO 35mm drill bits handle tough granite with minimal chipping, reducing rework and saving ₹ on replacements.

2
Scenario 2
Illustrative example
Where it helps

A renovation worker in Delhi drills ceramic tiles for bathroom fixtures.

How this product helps

The vacuum brazed tech ensures smooth, chip-free holes, supporting quick, professional results in humid conditions.

Specifications & installation

Specifications

Active MaterialDiamond
CoatingVacuum Brazed
Max RPM11,000

Installation & usage

Drilling Depth2 inches
Shank Type5/8" -11 thread
Suitable ForPorcelain, ceramic, granite, marble, engineered stone
Cost per use₹3,940 per bit
Shelf life after openingNot specified
Reapplication mathSupports multiple holes with proper cooling
ContraindicationsAvoid dry drilling on very hard surfaces without cooling
Allergens / irritantsNone

How we compare

FeatureDAMO 1-3/8 inchOthers
Material DurabilityDiamond vacuum brazed tech extends bit life, prevents chippingStandard carbide bits wear faster, chip more in tough stone
Size RangeAvailable from 1/4" to 3" sizes, including 1-3/8" (35mm)Limited sizes, often below 1 inch, less versatile
Drilling PerformanceSupports up to 11,000 RPM for fast, clean holesLower 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

Product details

SKUtwp5492
GTIN0733353647935
BrandDAMO
Size35mm (1-3/8 inch)
MaterialDiamond
ColorBlack
Item Weight5.12 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.

Customer Reviews

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FAQ, See What Others Asked

What angle countersink bit do I need?
The angle should match your screw head. Imperial flat-head screws typically use 82°, while metric screws often use 90°. Check your fastener's head profile and select accordingly.
Will a hex-shank countersink fit my drill?
A 1/4" hex shank fits standard quick-change chucks and impact drivers, while round-shank bits work in any keyless or keyed drill chuck. Confirm shank type before purchase.
Is this drill bit suitable for Indian stone and tile?
Yes, DAMO diamond core drill bits are designed for tough materials like granite, marble, and ceramic, common in Indian construction and renovation projects.
How do I prevent chipping when drilling stone?
Use a template and clamp a scrap piece of stone underneath to support the backside. Wet drilling with water improves cooling and reduces chipping.
What is the maximum RPM for this drill bit?
Supports up to 11,000 RPM, enabling fast, efficient drilling in tough surfaces like granite and engineered stone.

Frequently bought together

DAMO 1-3/8 inch Diamond Core Drill Bit for Porcelain, Ceramic, Tile, Quartzite, Granite, Marble, Stone & Brick | Vacuum Brazed Technology

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

DAMO 1-3/8 inch Diamond Core Drill Bit for Porcelain, Ceramic, Tile, Quartzite, Granite, Marble, Stone & Brick | Vacuum Brazed Technology

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%) Extra

3 items selected

3 items

₹8,620

You save ₹4,310 (33%) Extra

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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 NameDAMOPHITUODABRSCHNITTBRSCHNITTBRSCHNITTMIPMAWA
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
Sold ByCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrow
Imported from USA
₹3,940₹5,830

You Save ₹1,890

Estimated doorstep delivery by 23 Nov - 25 Nov from USA
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Packed & shipped
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You Order
Place your order
USA Warehouse dispatch
Packed & shipped
International Air Shipping
Fast transit
Consignment to India Warehouse
Customs cleared
Doorstep delivery
Delivered to you

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₹11,820+ (3× the price)
₹3,940 locked, all-in
Hard to get the original US version in India
Original US version, shipped to your door
Extra pay for Import Duties, GST, and forex fees
One price in INR, no customs charges at delivery
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11-13 days · live tracking
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