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- Fast Processing — Ships Within 3 Business Days
- Express Shipping — Delivered in 5–8 Business Days
- Free Shipping — Orders Over $10 (Most Destinations)
- Tax-Inclusive Delivery — No Hidden Duties for Most Orders
Warranty
Within 30 days of product delivery, if you encounter any of the following issues, we will offer a refund or product replacement.
Product arrived damaged, Incorrect product received, Quality problems during use.
FAQ
For more details, please visit our complete FAQ page. If you need further assistance, our professional team is always ready to help. Please contact us.
The BRSCHNITT M5 Thread Diamond Dry Core Drill Bit is designed for dry drilling on porcelain tile, ceramic tile, granite, marble, and other hard materials. Featuring vacuum brazed diamond technology, it provides fast cutting performance, smooth drilling results, and extended service life. The M5 spindle thread design ensures a secure connection with mini angle grinders, while the built-in cooling wax helps reduce heat buildup during drilling. Available in 5mm, 6mm, 8mm, and 10mm sizes, it is ideal for small-hole drilling and installation projects.
Why Choose This Diamond Core Drill Bit?
1. Vacuum Brazed Diamond Technology
Provides fast cutting performance, excellent wear resistance, and longer service life for hard material drilling.
2. M5 Thread Design
Ensures stable connection with M5 spindle thread mini angle grinders for precise and efficient drilling.
3. Dry Drilling with Cooling Wax
Allows clean dry drilling without water setup while helping control heat during operation.
Applications
Suitable for:
• Porcelain Tile
• Ceramic Tile
• Granite
• Marble
• Stone Materials
Operating Notice
• Recommended speed: 6000 RPM
• Maximum speed: 11000 RPM
• Do not apply excessive pressure during drilling.
• Keep the drill stable during operation for better drilling results.
Specifications
Diamond Dry Core Drill Bit
• Quantity: 1pc / 2pcs
• Connection Type: M5 Spindle Thread
• Diameter: 5mm / 6mm / 8mm / 10mm
• Total Length: 53mm
• Diamond Height: 9mm
• Grit: #40/50
• Technology: Vacuum Brazed Diamond
• Drilling Type: Dry Drilling
• Compatible Machine: M5 Thread Mini Angle Grinder
At BRSCHNITT, customer satisfaction is our priority. If you are not completely satisfied with your purchase, we are happy to assist you with returns and refunds according to the policy below.
Returns
Our return policy lasts 30 days from the date you receive your order.
To be eligible for a return:
• The item must be unused and in the same condition as received.
• The product must be in its original packaging.
• Proof of purchase or order information is required.
Returns requested after 30 days from delivery cannot be accepted.
Please note that used, modified, or damaged products caused by improper use, incorrect installation, or failure to follow product instructions may not be eligible for return or refund.
Refunds
Once your returned item is received and inspected, we will send you an email confirming receipt.
After approval, your refund will be processed to your original payment method.
Please note that refund processing time may vary depending on your payment provider or bank.
Return Shipping
BRSCHNITT will cover return shipping costs if:
• The product is defective;
• The item was damaged during delivery;
• The wrong product was shipped.
For returns caused by personal reasons, such as ordering the wrong item, selecting the wrong size/specification, or changing your mind, customers are responsible for the return shipping costs.
Exchanges
We provide product replacements for defective, damaged, or incorrect items.
If you receive an incorrect or damaged product, please contact us within 30 days of delivery and provide relevant order details and photos if needed.
Late or Missing Refunds
If you have not received your refund:
1. Please check your bank account again;
2. Contact your credit card company or payment provider;
3. Contact your bank, as processing times may vary.
If you have completed these steps and still have not received your refund, please contact us:
Email: customer-service@br-tool.com
WhatsApp: +86 186 1696 4557