Skip to main content

LAIWEI Diamond Hole Saw 40mm, Glass, Ceramic, Granite, Marble Drill Bits, Electric Drill Bits, 1-9/16” (40mm) Cutting Diameter

Product Overview

  • ⭐ LAIWEI quality: The diamond hole saw 40mm core drill is made of high-strength 45# steel, which is more wear-resistant and durable than ordinary steel. Cutting diameter 28mm, cutting depth: less than 20mm thick, shank size: diameter 10mm.
  • ⭐ Cutting edge thickness: The thickness of the diamond grit on the cutting edge of the glass drill is about 2mm, while the thickness of the ordinary diamond hole saw is only 1mm. The emery and the cutter head are combined with Levi's original brazing technology. Make it stronger, more durable and sharper. Cuts will be smoother and holes will be more perfect.
  • ⭐ Wide range of applications: Porcelain drill bits are widely used to drill holes in glass, ceramics, ceramic tiles, granite, limestone, marble and other materials.
  • ⭐ Heat dissipation hole design: The ceramic drill body has heat dissipation holes to accelerate heat dissipation. It is worth noting that water needs to be added to keep the water moist during the excavation process, so that a more perfect hole can be obtained. Granite bits are also more durable.
  • ⭐ High adaptability: Lewei marble drill bits are suitable for most electric drills, impact drills, CNC drilling machines, bench drills, cordless electric drills, cordless drives, etc.
Size:
40mm
Color:
Silver
Manufacturer:
Laiwei
Part Number:
6BVR19R
Material Type:
Metal
Isin:
I7LVUUVECFBD

$35.49

  • Free shipping in US
  • $14.50 extended delivery from United Kingdom
  • Arrives

In Stock

Ships from: USASold by

IBSPOT Buyer Protection

Guaranteed as described or your money back.

  • 30-Day Money-Back Guarantee
  • Secure Checkout
  • Reliable Shipping & Tracking
  • Responsive Customer Support
supported payment methods:Visa, Mastercard, Discover, Amex, Apple Pay, Google Pay
scroll to top arrow
LAIWEI Diamond Hole Saw 40mm, Glass, Ceramic, Granite, Marble Drill Bits, Electric Drill Bits, 1-9/16” (40mm) Cutting Diameter

LAIWEI Diamond Hole Saw 40mm, Glass, Ceramic, Granite, Marble Drill Bits, Ele...

$35.49

Product Overview

  • ⭐ LAIWEI quality: The diamond hole saw 40mm core drill is made of high-strength 45# steel, which is more wear-resistant and durable than ordinary steel. Cutting diameter 28mm, cutting depth: less than 20mm thick, shank size: diameter 10mm.
  • ⭐ Cutting edge thickness: The thickness of the diamond grit on the cutting edge of the glass drill is about 2mm, while the thickness of the ordinary diamond hole saw is only 1mm. The emery and the cutter head are combined with Levi's original brazing technology. Make it stronger, more durable and sharper. Cuts will be smoother and holes will be more perfect.
  • ⭐ Wide range of applications: Porcelain drill bits are widely used to drill holes in glass, ceramics, ceramic tiles, granite, limestone, marble and other materials.
  • ⭐ Heat dissipation hole design: The ceramic drill body has heat dissipation holes to accelerate heat dissipation. It is worth noting that water needs to be added to keep the water moist during the excavation process, so that a more perfect hole can be obtained. Granite bits are also more durable.
  • ⭐ High adaptability: Lewei marble drill bits are suitable for most electric drills, impact drills, CNC drilling machines, bench drills, cordless electric drills, cordless drives, etc.
Size:
40mm
Color:
Silver
Manufacturer:
Laiwei
Part Number:
6BVR19R
Material Type:
Metal
Isin:
I7LVUUVECFBD

LAIWEI Diamond Hole Saw 40mm glass drill 1-9/16” (40mm) Depth of cut: less than 20mm thick Shank size: diameter 10mm Applicable tools: electric drill, impact drill, CNC drilling machine, bench drill, cordless electric drill, cordless driver, etc. LAIWEI emery is about 2 mm thick and uses excellent brazing technology for a very long service life. The excellent processing technology of LAIWEI marble drills enables precise cuts and high-quality cutting surfaces. LAIWEI glass drills last 10 times longer than ordinary metal hole saws. Granite drills quickly and accurately drill holes in a variety of materials Based on thousands of active lab tests. LAIWEI hole saws have the same excellent test results as the best brands on the market, with reliable product quality. Application field Ceramic drill bit The hole saw can smoothly cut materials with thickness less than 20mm, such as glass, ceramics, tiles, granite, limestone and marble. Electric drill bits are widely used for home improvement work such as drilling holes in kitchen countertops, washbasins and glass table tops. What LAIWEI can do for you  7x24 customer service.

 

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 $14.50 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:

  1. Check with your local USPS or UPS office.
  2. Confirm that the shipping address provided was correct.
  3. 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:

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 will provide a free return shipping label.

If a return is sent back without prior contact or without our provided label, we cannot be held responsible for return shipping costs.

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

Oops!

Sorry, it looks like some products are not available in selected quantity.

OK

Subscribe To Our Newsletter

Disclaimer: Statements made, or products sold through this website, have not been evaluated by the United States Food and Drug Administration. Products are not intended to diagnose, treat, cure or prevent any disease.