KFFKFF Diamond Core Drill Bit, 3-1/2 inch Diameter, 9-1/2 inch Depth, 5/8-11 Internal Thread, Includes 3 Adapters, Pilot Drill, and Hex Wrench, Suitable for Concrete, Red Bricks, and Masonry

☆☆☆☆☆ reviews

US$15.20
Price when purchased online
Free shipping Free 30-day returns

Sold and shipped by
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
US$15.20
Price when purchased online
Free shipping Free 30-day returns

How do you want your item?
You get 30 days free! Choose a plan at checkout.
Shipping
Arrives Nov 11
Free
Pickup
Check nearby
Delivery
Not available

Sold and shipped by
Free 30-day returns Details

Product details

Management number 254197236 Release Date 2026/11/07 List Price US$15.20 Model Number 254197236
Category

<div> <h3> <strong>Product Description</strong><br> </h3> <strong> <div>3-1/2 inch dry-use diamond core drill bits designed for efficient and precise drilling.</div> </strong> <div> <div>This durable core drill bit is designed with a pilot drill and precision-engineered cutting teeth, utilizing high-frequency welding for efficient and smooth drilling. Equipped with a 5/8-11 universal thread, it works seamlessly with a range of machines, making it suitable for drilling through tough concrete and brick materials.</div> </div> </div> <div> <div> <strong> <div>Constructed with robust and reliable materials for long-lasting performance</div> </strong> <div> <div>Crafted from high-quality carbon steel and equipped with diamond-grit teeth, this core drill bit ensures precise cutting and grinding of tough materials. It offers exceptional durability and resistance to wear, making it a reliable tool for demanding tasks.</div> </div> <strong> <div>Wide Compatibility</div> </strong> <div> <div>This diamond dry core drill bit set comes with three adapters, ensuring seamless compatibility with SDS Plus, SDS Max, and 1/2-inch hex drill bits. It eliminates the need for extra purchases, providing a convenient solution for various drilling tasks.</div> </div> <strong> <div>Precisely Welded for Enhanced Accuracy</div> </strong> <div> <div>Designed with precise welding techniques, this concrete core drill bit offers exceptional resistance to wear and stability under high temperatures. Its durable diamond teeth remain firmly in place during demanding drilling tasks, reducing the risk of detachment and ensuring extended usability.</div> </div> <strong> <div>Simple and Convenient to Operate</div> </strong> <div> <div>This diamond core drill bit is simple to operate. Begin by placing the pilot drill into the adapter, ensuring its angle aligns with the adapter's bolt hole. Securely tighten the screws to hold it in place. Make sure the pilot drill is properly centered, with a maximum deviation of 1 mm, to achieve precise drilling results.</div> </div> <strong> <div>Suitable for Various Uses</div> </strong> <div> <div>The drill bit is designed to create accurate and clean holes in durable materials such as concrete, red bricks, and foam blocks. Ideal for various drilling tasks in construction and remodeling projects.</div> </div> <strong> <div>Versatile Compatibility</div> </strong> <div> <div>This concrete core bit works with a wide range of hammer drills and drilling machines. It can be effortlessly attached to your current tools for smooth operation.</div> </div> </div> </div> <div> <h3> <strong>Specifications</strong><br> </h3> <div>Item Model Number: dry drill 89*240 5/8-11 internal thread</div> <div>Diameter: 3-1/2 in/89 mm</div> <div>Inner Thread: 5/8-11</div> <div>Max Drilling Depth: 9-1/2 in/241 mm</div> <div>Welding Method: Laser Welding</div> <div>Wet/Dry Application: Dry</div> <div>Compatible Machines: Hammer Drills, Drills</div> <div>Compatible Cutting Materials: Reinforced Concrete, Red Bricks, Concrete ,Foam Bricks</div> <div>Net Weight (Including Accessories): 4.34 lb/1.97 kg</div> <div>Product Dimensions: 10.94 x 3.50 x 3.50 in/278 x 89 x 89 mm</div> </div> <div> <h3> <strong>Package Content</strong><br> </h3> <div>1 x Core Drill Bit</div> <div>1 x SDS Plus to 5/8-11 Adapter</div> <div>1 x SDS Max to 5/8-11 Adapter</div> <div>1 x 1/2" Hex to 5/8-11 Drill Adapter</div> <div>1 x Pilot Drill</div> <div>1 x Hex Wrench</div> <div>1 x User Manual</div> <div>1 x Label</div> </div>

  • Wide Compatibility: This set features a 3-1/2-inch diameter core drill bit, three versatile adapters, and a pilot drill, ensuring it works seamlessly with most common drills and hammer drills. Designed to offer flexibility and ease for multiple applications.
  • Accurate Drilling: This diamond dry core bit is equipped with a pilot drill, eliminating the need for pre-drilling. Its sharp tip efficiently pierces surfaces, enabling quicker and more precise alignment for seamless operation without requiring mode changes.
  • Robust and Long-Lasting: Made from premium carbon steel and featuring precise welding, this concrete core drill bit offers a hardness rating of 95HRB. It effectively minimizes heat generation during high-speed or dry drilling, reducing the risk of blade separation and ensuring extended durability.
  • Efficient Drilling Capability: These concrete core bits are designed with precision-engineered teeth to deliver clean, smooth edges and ensure quicker, accurate drilling. The centered tooth alignment maintains stability, minimizing wobble or misalignment during high-speed operations.
  • Versatile Usage: Perfect for drilling into reinforced concrete, red brick, standard concrete, and foam brick. This core drill bit is frequently utilized in tasks such as air conditioning setups, plumbing projects, stair railing installations, road construction, airport projects, and other building applications.
Cutting edge material Diamond
Compatibility SDS Plus, SDS Max, 1/2-inch hex drill bits
Drill bit & set type Drill Bits
Piece count 1
Brand KFFKFF
Material Steel
Accessories SDS Plus to 5/8-11 Adapter, SDS Max to 5/8-11 Adapter, 1/2" Hex to 5/8-11 Drill Adapter, Pilot Drill, Hex Wrench, User Manual, Label
Rec. use Construction

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Customer ratings & reviews

0 out of 5
☆☆☆☆☆
0 ratings | 0 reviews
How item rating is calculated
View all reviews
5 stars
15% (0)
4 stars
30% (0)
3 stars
15% (0)
2 stars
8% (0)
1 star
32% (0)
Sort by

There are currently no written reviews for this product.