Dry Diamond Drill Bits, 3/16" 1/4" 5/16" 3/8" 1/2" Tile Drill Bits
$45.59
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- 12-Piece Professional Dry Diamond Drill Bit Set: Includes 10pc multi-size diamond core drill bits (2×5mm /3/16", 2×6mm/1/4", 2×8mm/5/16", 2×10mm/3/8", 2×12mm/1/2" diamond hole saw) + 2pc 6mm/1/4" pilot drill bits. This all-in-one tile drill bit set fit porcelain tile, ceramic, glass, marble, granite, stone, jade, etc. Covers a wide range of applications: kitchen & bathroom renovation, home & commercial decoration, auto repair, equipment maintenance, outdoor furniture & fence installation
- No More Wandering or Slipping: Our glass drill bit set includes a pilot bit that new users can first drill an accurate dimple, then drill at a 45° angle with the diamond hole cutter to prevent slipping on smooth surfaces and protect your expensive tiles from scratches.Always maintain proper drilling speed and avoid excessive pressure, so as to prevent ceramic chipping. The tool protects your costly tiles from scratch damage and delivers neat, perfectly sized holes for delicate ceramic tiles, glass bricks, etc
- High-Carbon Steel & Vacuum Brazing: This diamond core drill bit set uses a premium high-carbon steel body with advanced vacuum brazing technology. Industrial-grade diamond grit is firmly brazed onto the bit body. Compared to standard electroplated diamond drill bits, our vacuum brazed diamond drill bits offer higher hardness, superior wear & corrosion resistance. The upgraded high-carbon steel shank resists bending and breaking, delivering longer service life than conventional electroplated bits
- Built-In Wax Cooling & Cooling Performance Upgrade: Each porcelain tile drill bit is pre-filled with premium cooling lubricant wax that melts automatically during drilling to cool the cutting surface, reduce friction, and prevent diamond grit shedding. This design eliminates the need for continuous water supply in dry drilling, ensuring high-efficiency cutting and extending diamond drill bit life.Ideal for quick dry-drilling tasks on bathroom walls or kitchen backsplashes where water use is inconvenient. For hard materials like granite and marble, wet drilling with water provides a longer lifespan. The diamond tip drill bit are optimized for both dry and wet drilling
- Versatile Use: These diamond drill bits adopt a universal round shank, compatible with most electric drills, bench drills and other common power tools. Widely suitable for ceramic tile, porcelain tile, ceramic floor, glass, marble, granite, natural stone, jade, glass bottles, ceramic pots, bathroom tiles, kitchen backsplash, stone countertops, etc. (NOT for concrete, metal, steel, wood, plastic). Laser-engraved size marks help you accurately control drilling hole dimensions. This 12pc ceramic drill bits set packed in sturdy paper box with foam & EPE pearl cotton liner, shockproof storage protects cutting edges, sorts sizes and cuts plastic waste
- Free 30-Day Returns
- Full Refund for Damaged or Incorrect Items
- Guaranteed Delivery or Money Back
- Secure Checkout & Fast Support
- 12-Piece Professional Dry Diamond Drill Bit Set: Includes 10pc multi-size diamond core drill bits (2×5mm /3/16", 2×6mm/1/4", 2×8mm/5/16", 2×10mm/3/8", 2×12mm/1/2" diamond hole saw) + 2pc 6mm/1/4" pilot drill bits. This all-in-one tile drill bit set fit porcelain tile, ceramic, glass, marble, granite, stone, jade, etc. Covers a wide range of applications: kitchen & bathroom renovation, home & commercial decoration, auto repair, equipment maintenance, outdoor furniture & fence installation
- No More Wandering or Slipping: Our glass drill bit set includes a pilot bit that new users can first drill an accurate dimple, then drill at a 45° angle with the diamond hole cutter to prevent slipping on smooth surfaces and protect your expensive tiles from scratches.Always maintain proper drilling speed and avoid excessive pressure, so as to prevent ceramic chipping. The tool protects your costly tiles from scratch damage and delivers neat, perfectly sized holes for delicate ceramic tiles, glass bricks, etc
- High-Carbon Steel & Vacuum Brazing: This diamond core drill bit set uses a premium high-carbon steel body with advanced vacuum brazing technology. Industrial-grade diamond grit is firmly brazed onto the bit body. Compared to standard electroplated diamond drill bits, our vacuum brazed diamond drill bits offer higher hardness, superior wear & corrosion resistance. The upgraded high-carbon steel shank resists bending and breaking, delivering longer service life than conventional electroplated bits
- Built-In Wax Cooling & Cooling Performance Upgrade: Each porcelain tile drill bit is pre-filled with premium cooling lubricant wax that melts automatically during drilling to cool the cutting surface, reduce friction, and prevent diamond grit shedding. This design eliminates the need for continuous water supply in dry drilling, ensuring high-efficiency cutting and extending diamond drill bit life.Ideal for quick dry-drilling tasks on bathroom walls or kitchen backsplashes where water use is inconvenient. For hard materials like granite and marble, wet drilling with water provides a longer lifespan. The diamond tip drill bit are optimized for both dry and wet drilling
- Versatile Use: These diamond drill bits adopt a universal round shank, compatible with most electric drills, bench drills and other common power tools. Widely suitable for ceramic tile, porcelain tile, ceramic floor, glass, marble, granite, natural stone, jade, glass bottles, ceramic pots, bathroom tiles, kitchen backsplash, stone countertops, etc. (NOT for concrete, metal, steel, wood, plastic). Laser-engraved size marks help you accurately control drilling hole dimensions. This 12pc ceramic drill bits set packed in sturdy paper box with foam & EPE pearl cotton liner, shockproof storage protects cutting edges, sorts sizes and cuts plastic waste
DAYDOOR 12-Piece Dry Diamond Drill Bits Set – Diamond Hole Saw Kit for Porcelain Tile, Ceramic, Glass, Marble & Granite | Universal Round Shank Tile Drill Bits with Carbide Pilot & Cooling Wax – 3/16" 1/4" 5/16" 3/8" 1/2"
Wide Range of Applicable Materials:Ideal for tiles, tile floors, granite, ceramics, glass, mirrors, marble, quartz stone, and jade (not suitable for cement, metal, tempered glass, wood or plastic).
Versatile Application Scenarios:
Different specifications can flexibly meet your diverse drilling needs.
1. Home Renovation and DIY ScenariosKitchen Renovation: For example, use 3/8”(10mm) or 1/2”(12mm) Diamond Drill Bits to make large installation holes for faucets on quartz or granite kitchen countertops, and 1/4”(6mm) or 5/16”(8mm)tile drill bits for smaller holes for soap dispensers or water purifier pipelines.Bathroom Renovation: When installing hardware such as towel racks and storage shelves in the bathroom, use 1/4”(6mm) or 5/16”(8mm) glass drill bit to drill holes in tile walls for installing expansion screws to fix the brackets; installing the fixed bracket for the shower head may require 3/8”(10mm) or even 1/2”(12mm) ceramic drill bit.Home DIY Projects: Use these drill bits to drill holes in wood planks when making wooden bookshelves or storage racks for installing connectors and screws; for crafting handmade decorations (e.g., drilling holes in glass or ceramic materials for hanging or assembling components), 1/4”(6mm) or 5/16”(8mm) ceramic tile drill bits are often used.
2. Construction FieldHouse Construction: Use 1/4”(6mm) or 5/16”(8mm) porcelain drill bits to drill wire holes in walls (such as drywall and wooden partition walls); plumbers use 3/8”(10mm) or 1/2”(12mm) porcelain tile drill bits to drill pipe installation holes in concrete or brick walls for laying water pipes and heating pipes.Commercial Building Renovation: When renovating commercial buildings such as shopping malls and office buildings, installing lighting fixtures, air conditioning ducts, and fire-fighting equipment requires drill bits of different specifications. For example, 1/4”(6mm) or 5/16”(8mm) glass and tile drill bit may be used to drill lighting installation holes in ceiling materials; 3/8”(10mm) or 1/2”(12mm) granite drill bits may be used to drill holes in building facades for installing billboard brackets.
3. Industrial and Maintenance ScenariosAutomotive Maintenance and Modification: 1/4”(6mm) or 5/16”(8mm) stone drill bits are often used to drill holes in automotive interior panels and thin body metal sheets for installing audio equipment, wiring for on-board electrical appliances, or custom decorative components.Equipment Manufacturing and Maintenance: Factories use these drill bits to drill holes in metal, plastic, glass, and other material components when manufacturing mechanical equipment and instruments; during equipment maintenance, drill bits of different specifications are also used when replacing parts or reinstalling fixtures. For example, 1/4”(6mm) or 5/16”(8mm) ceramic hole drill bits may be used to drill heat dissipation holes in metal casings; 3/8”(10mm) or 1/2”(12mm) diamond tip drill bits may be used when installing larger fixing bolts.
4. Gardening and Outdoor Facility InstallationOutdoor Furniture Installation: Residents in the United States and Canada use 1/4”(6mm) or 5/16”(8mm) Diamond Drill Bits to drill holes in wood for assembling components and fixing screws when installing outdoor wooden tables, chairs, awnings, and other facilities in their yards.Fence Installation: When installing garden fences or railings, use 3/8”(10mm) or 1/2”(12mm)glass cutting drill bits to drill holes in metal or wooden posts for installing connectors and fixing fence panels.
Processing Time
- We process and ship orders Monday through Friday, excluding holidays.
- Most orders are processed within 1–3 business days, depending on product availability.
- Processing time does not include delivery time, which varies based on your location and the product’s shipping origin.
Shipping Coverage
We currently ship to addresses within the United States only.
Products may ship from:
- Our U.S. warehouses, or
- Our international fulfillment centers (including Korea, Japan, China, Australia, Mexico, Canada, the United Kingdom, and the EU).
Each product page clearly displays the “Ships From” location before checkout.
Shipping Methods & Estimated Delivery
| Shipping Method | Estimated Delivery | Cost |
|---|---|---|
| Free Shipping (US) | 5–10 business days | Free, available on eligible items |
| Standard Shipping (US to US by Item) | 5–10 business days | $5.95 for the first item, $3.00 each additional |
| Standard Shipping (From US Warehouse by Weight) | 3–7 business days | Starts at $5.95, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb. |
| Extended Delivery (Ships from Overseas Warehouse) | 10–20 business days | $14.99 for the first item, $2.00 each additional |
Shipping costs vary by product weight, quantity and origin. Exact rates and delivery estimates are displayed on each product page and confirmed during checkout.
Free Shipping
We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout.
Carriers
We primarily use USPS and UPS for U.S. deliveries. Items shipped from international warehouses may be handled by partner carriers depending on the country of origin.
Import Duties & Taxes
All import duties and taxes for goods imported into the United States are included in the product price. There are no hidden fees or additional charges at checkout.
Tracking & Notifications
Every order is fully trackable. You will receive a tracking number via email once your order ships. If your order ships in multiple packages, each package will have its own tracking number. If you don’t receive a shipping confirmation immediately, your order is still being processed and will arrive within the estimated timeframe shown at checkout.
You can track your shipment anytime using the Track Your Order page on our website.
Order Changes & Cancellations
If you need to modify or cancel an order, please contact our customer support team as soon as possible. Orders can only be canceled before they ship. Once shipped, cancellations are not possible, but you may request a return after the item is delivered.
Contact: support@ibspot.com
Item Not Received
If your tracking number shows “Delivered” but you haven’t received your package:
- Check with your local USPS or UPS office.
- Confirm that the shipping address provided was correct.
- If the issue remains unresolved, contact support@ibspot.com for assistance.
Damaged or Lost Parcels
If your package arrives damaged or fails to arrive, please contact us immediately. For deliveries to P.O. boxes, ibspot is not responsible for damage caused by weather, temperature, or theft.
Customer Support
For any questions about shipping, tracking, or delivery, our customer support team is here to help.
Email: support@ibspot.com
We’re always happy to help.
Please read our policy carefully before making a purchase.
We aim to ensure every customer has a smooth and transparent experience with ibspot.com.
Order Cancellation Policy
Customers may request to cancel an order before it has been shipped.
Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.
How to Request a Cancellation
You can contact us through:
- Email: support@ibspot.com
- Contact Form: Submit a request through our Contact Us page
Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.
Return Policy
We accept returns for most items within 30 days of delivery for a full refund.
To be eligible for a return:
- The item must be unused, in the same condition as received, and in its original packaging.
- A tracking number must be provided to confirm the return shipment.
Non-Returnable Items
Certain products cannot be returned, including:
- Perishable goods (for example, food, flowers, newspapers, magazines)
- Intimate or sanitary goods
- Hazardous materials or flammable liquids/gases
- Gift cards
- Downloadable software
- Some health and personal care items
Partial Refunds (If Applicable)
Partial refunds may be granted in specific situations, such as:
- Books with obvious signs of use
- Opened CDs, DVDs, software, or vinyl records
- Items not in their original condition, damaged, or missing parts not due to our error
- Items returned more than 30 days after delivery
How to Return an Item
To initiate a return, please contact us at support@ibspot.com with your order number and details about the product you wish to return.
Our team will provide you with return instructions and a prepaid return label.
Shipping Cost for Returns
Please contact us before returning any item.
We may provide a return shipping label for your return. If the return is due to our error, such as receiving the wrong item, a damaged item, or a defective product, we will cover the return shipping cost.
If the return is due to the customer’s reason, such as ordering the wrong item, changing your mind, or no longer needing the item, the original shipping fee and the return label fee will be deducted from your refund amount.
If a return is sent back without prior contact or without using our provided label, we cannot be held responsible for any return shipping costs or delivery issues.
For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee that we will receive your returned item if shipped independently.
Refund Processing
Once your return is received and inspected:
- In-store returns are refunded to the original form of payment or issued as a gift card.
- Mail-in returns using our prepaid label are refunded to the original payment method within 3–5 business days after we receive your return.
Please allow:
- 5–7 business days for the return to reach our Returns Center.
- An additional 3–10 business days for your bank to post the refund to your account.
Damages, Issues & Claims
Please inspect your order immediately upon receipt.
If you receive a defective, damaged, or incorrect item, contact us right away at support@ibspot.com.
We’ll evaluate the issue promptly and make it right.
Product Claims
Before purchasing, please review product details carefully.
If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.
Exchanges
We do not process direct exchanges.
The fastest way to get what you need is to return the original item and place a new order once your return is accepted.
Return Address
IBSPOT Return Center
15 Sawmill Ln
Dover Plains, NY 12522
United States
Customer Support
Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.
Email: support@ibspot.com
Contact Form: Contact Us page
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