Brazed Diamond Core Bit/Hole Saw for Granite, Quartzite, Marble, Concrete, Porcelain, Ceramic and Other Stones. These vacuum brazed diamond core bits are highly aggressive and capable of drilling smooth, precise holes without chipping on granite, quartzite, marble, ceramic, porcelain tiles, and other types of stones. The vacuum brazed technology ensures these bits will outlast electroplated diamond bits, providing superior longevity. While suitable for dry use, wet drilling is recommended for optimal performance and extended bit life. Effortlessly cut through the toughest materials with these durable, high-quality core bits. Whether tackling home improvement projects or professional construction tasks, these bits are a must-have tool for anyone working with hard surfaces like stone, tile, and concrete. Achieve clean, accurate holes every time with this reliable and long-lasting diamond core bit set.

FEATURES

• Aggressive Drilling: Vacuum brazed diamond core bits aggressively drill smooth holes with high precision.
• Multi-Material Use: Suitable for drilling granite, quartzite, marble, concrete, porcelain, ceramic tiles, and other stones.
• Chip-Free Cutting: Prevents chipping on delicate surfaces like granite, quartzite, marble, and ceramic/porcelain tiles.
• Long-Lasting: Vacuum brazed technology ensures longer lifespan compared to electroplated diamond bits.
• Versatile Use: Can be used dry or wet, although wet use is recommended for extended bit life.

Where do your products come from?
We source inventory through liquidation and wholesale channels, including overstock, closeouts, shelf-pulls, and inspected customer returns from major retailers and distributors.

Why are your prices so much cheaper than retail?
We buy inventory in bulk and price items to move quickly. This reduces overhead and removes typical retail markups.

Are the products authentic?
We focus on legitimate sourcing channels and aim to describe items accurately with clear condition information.

What does “Like New” mean?
Like New items are in excellent condition with little to no signs of use. This can include items that were opened but are still in like-new condition.

Why do some items have different packaging?
Liquidation inventory may include items with opened or replacement packaging. Condition is always shown on the listing.

Do you combine shipping?
Yes—when possible, items may ship together. For the continental U.S. (lower 48 states), the applicable flat-rate or free-shipping rule applies to the combined order. Shipping to Alaska, Hawaii, other U.S. destinations, and international addresses is calculated at checkout based on destination and package details.

Do you offer free shipping?
Yes—orders of $35 or more ship free in the continental U.S. (lower 48 states). Orders under $35 in the continental U.S. ship for a flat rate of $8.99. Shipping to Alaska, Hawaii, other U.S. destinations, and international addresses is calculated at checkout.

How fast do you ship and which carriers do you use?
For calculated destinations, shipping options and timelines are shown at checkout. We typically use major carriers such as USPS, UPS, and FedEx depending on package and destination.

What is your return policy?
Please refer to our Returns Policy page for eligibility and timelines.