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Core Drill Bits

Built for demanding coring applications, core drill bits deliver clean, deep holes in concrete, brick, block, and stone. Ideal for plumbing, electrical, and HVAC installations, these coring drill bits are engineered to handle both wet and dry drilling. From diamond core drill bits for precision to hammer drill core bits for aggressive performance, our selection suits professional-grade tasks. Whether you're tackling structural openings or utility passes, our core bits for concrete offer durability, accuracy, and speed.

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  • Core Bore Bits.jpg

    Diamond Products 3" Heavy Duty Orange Wet Core Bore Bit

    Diamond Products
    $112.50 - $112.50
    $112.50
    $130.22
    $130.22 - $130.22
    $130.22
    In Stock

    Features Excellent footage and drilling speed Designed for all types of wet drilling in applications with light to moderate steel Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 3 IN Width: 3 IN Height: 13 IN Weight: 5.842 LBS

  • Core Bore Bits.jpg

    Diamond Products 4" Heavy Duty Orange Wet Core Bore Bit

    Diamond Products
    $174.98 - $174.98
    $174.98
    $174.98 - $174.98
    $174.98
    In Stock

    Features Excellent footage and drilling speed Designed for all types of wet drilling in applications with light to moderate steel Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 4 IN Width: 4 IN Height: 13 IN Weight: 7.925 LBS

  • Core Bore Bits.jpg

    Diamond Products 8" Heavy Duty Orange Wet Core Bore Bit

    Diamond Products
    $392.85 - $392.85
    $392.85
    $392.85 - $392.85
    $392.85
    In Stock

    Features Excellent footage and drilling speed Designed for all types of wet drilling in applications with light to moderate steel Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 9 IN Width: 9 IN Height: 13 IN Weight: 19.891 LBS

  • Core Bore Bits.jpg

    Diamond Products 6" Heavy Duty Orange Wet Core Bore Bit

    Diamond Products
    $256.23 - $256.23
    $256.23
    $256.23 - $256.23
    $256.23
    In Stock

    Features Excellent footage and drilling speed Designed for all types of wet drilling in applications with light to moderate steel Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 7 IN Width: 7 IN Height: 13 IN Weight: 15.918 LBS

  • Core Bore Bits.jpg

    Diamond Products 2" Heavy Duty Orange Wet Core Bore Bit

    Diamond Products
    $85.86 - $85.86
    $85.86
    $85.86 - $85.86
    $85.86
    In Stock

    Features Excellent footage and drilling speed Designed for all types of wet drilling in applications with light to moderate steel Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: USA Length: 2 IN Width: 2 IN Height: 13 IN Weight: 5.958 LBS

  • Core Bore Bits.jpg

    Diamond Products 12" Heavy Duty Orange Diamond Core Bore Bit

    Diamond Products
    $524.07 - $524.07
    $524.07
    $524.07 - $524.07
    $524.07
    In Stock

    Features Excellent footage and drilling speed Designed for all types of wet drilling in applications with light to moderate steel Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 12 IN Width: 12 IN Height: 13 IN Weight: 41.173 LBS

  • Dry Hole Saw_updated.jpg

    Diamond Products 4" Dh Orange Dry Hole Saw Core Bore Bit

    Diamond Products
    $403.82 - $403.82
    $403.82
    $403.82 - $403.82
    $403.82
    In Stock

    Features Very high quality diamond and longer coring life DH bond for block and soft brick (Not for use on concrete.) Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 4 IN Width: 4 IN Height: 10 IN Weight: 4.091 LBS

  • Core Bore Bits.jpg

    Diamond Products 10" Heavy Duty Orange Wet Core Bore Bit

    Diamond Products
    $482.76 - $482.76
    $482.76
    $482.76 - $482.76
    $482.76
    In Stock

    Features Excellent footage and drilling speed Designed for all types of wet drilling in applications with light to moderate steel Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 12 IN Width: 12 IN Height: 13 IN Weight: 35.065 LBS

  • Diamond Products 2" Heavy Duty Orange Precast Core Bore Bit - 50% off
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    Diamond Products 2" Heavy Duty Orange Precast Core Bore Bit

    Diamond Products
    $283.00
    $283.00 - $283.00
    $283.00
    $141.50
    $141.50 - $141.50
    $141.50
    Only 4 left!

    Drill through tough precast and reinforced concrete with the Diamond Products 2" Heavy Duty Orange Precast Core Bore Bit (PCBH2000)—now available at an incredible 50% OFF. Made for durability, stability, and extended cutting life, this premium orange-series core bit is built for demanding industrial coring applications. Whether you're working with heavy precast panels, wire mesh-reinforced structures, or pre-tensioned concrete, this bit delivers clean, efficient, and reliable drilling perform...
  • Premium bit_updated.jpg

    Diamond Products 4" Premium Black Wet Diamond Core Bit

    Diamond Products
    $403.82 - $403.82
    $403.82
    $403.82 - $403.82
    $403.82
    In Stock

    Features Very high diamond concentration gives maximum footage and drilling speed in all types of wet drilling applications Good in moderate to high steel applications Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 4 IN Width: 4 IN Height: 13 IN Weight: 7.639 LBS

  • Premium bit_updated.jpg

    Diamond Products 2" Premium Black Wet Diamond Core Bit

    Diamond Products
    $96.12 - $96.12
    $96.12
    $96.12 - $96.12
    $96.12
    In Stock

    Features Very high diamond concentration gives maximum footage and drilling speed in all types of wet drilling applications Good in moderate to high steel applications Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 2 IN Width: 2 IN Height: 13 IN Weight: 3.826 LBS

  • Core Bore Bits.jpg

    Diamond Products 14" Heavy Duty Orange Diamond Core Bore Bit

    Diamond Products
    $575.37 - $575.37
    $575.37
    $575.37 - $575.37
    $575.37
    In Stock

    Features Excellent footage and drilling speed Designed for all types of wet drilling in applications with light to moderate steel Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 14 IN Width: 14 IN Height: 13 IN Weight: 48.008 LBS

  • BOL Segmented.jpg

    Diamond Products 5" Star Blue Wet Diamond Core Bit

    Diamond Products
    $403.82 - $403.82
    $403.82
    $403.82 - $403.82
    $403.82
    In Stock

    Features Good quality diamond and good coring value BOL bond for general purpose, cured concrete and hard materials Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 5 IN Width: 5 IN Height: 13 IN Weight: 9.447 LBS

  • BDH.jpg

    Diamond Products 4" Star Blue Dry Diamond Hole Saw Core Bore Bit

    Diamond Products
    $403.82 - $403.82
    $403.82
    $403.82 - $403.82
    $403.82
    In Stock

    Features Good quality diamond and good coring value DB bond for block and soft brick (Not for use on concrete.) Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 4 IN Width: 4 IN Height: 10 IN Weight: 5.080 LBS

  • BDH.jpg

    Diamond Products 3" Star Blue Dry Diamond Hole Saw Core Bore Bit

    Diamond Products
    $221.13 - $221.13
    $221.13
    $221.13 - $221.13
    $221.13
    In Stock

    Features Good quality diamond and good coring value DB bond for block and soft brick (not for use on concrete.) Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 3 IN Width: 3 IN Height: 10 IN Weight: 3.439 LBS

  • BDH.jpg

    Diamond Products 2" Star Blue Dry Diamond Hole Saw Core Bore Bit

    Diamond Products
    $45.36 - $45.36
    $45.36
    $45.36 - $45.36
    $45.36
    In Stock

    Features Good quality diamond and good coring value DB bond for block and soft brick (Not for use on concrete.) Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 2 IN Width: 2 IN Height: 10 IN Weight: 2.103 LBS

  • BOL Segmented.jpg

    Diamond Products 4 1/2" Star Blue Wet Core Bore Bit

    Diamond Products
    $105.57 - $105.57
    $105.57
    $105.57 - $105.57
    $105.57
    In Stock

    Features Good quality diamond and good coring value BOL bond for general purpose, cured concrete and hard materials Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 5 IN Width: 5 IN Height: 13 IN Weight: 8.726 LBS

  • BOL Segmented.jpg

    Diamond Products 3 1/2" Star Blue Wet Core Bore Bit

    Diamond Products
    $403.82 - $403.82
    $403.82
    $403.82 - $403.82
    $403.82
    In Stock

    Features Good quality diamond and good coring value BOL bond for general purpose, cured concrete and hard materials Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 5 IN Width: 5 IN Height: 13 IN Weight: 5.990 LBS

  • BOL Segmented.jpg

    Diamond Products 3" Star Blue Wet Core Bore Bit

    Diamond Products
    $403.82 - $403.82
    $403.82
    $403.82 - $403.82
    $403.82
    In Stock

    Features Good quality diamond and good coring value BOL bond for general purpose, cured concrete and hard materials Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 3 IN Width: 3 IN Height: 13 IN Weight: 4.841 LBS

  • BOL Segmented.jpg

    Diamond Products 2 1/2" Star Blue Wet Core Bore Bit

    Diamond Products
    $54.54 - $54.54
    $54.54
    $54.54 - $54.54
    $54.54
    In Stock

    Features Good quality diamond and good coring value BOL bond for general purpose, cured concrete and hard materials Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 3 IN Width: 3 IN Height: 13 IN Weight: 4.190 LBS

  • BOL Segmented.jpg

    Diamond Products 2" Star Blue Wet Core Bore Bit

    Diamond Products
    $45.09 - $45.09
    $45.09
    $45.09 - $45.09
    $45.09
    In Stock

    Features Good quality diamond and good coring value BOL bond for general purpose, cured concrete and hard materials Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 2 IN Width: 2 IN Height: 13 IN Weight: 3.371 LBS

  • Blue-Turbo.jpg

    Diamond Products 4 1/2 Star Blue Turbo Wet Core Bore Bits

    Diamond Products
    $403.82 - $403.82
    $403.82
    $403.82 - $403.82
    $403.82
    In Stock

    Features Turbo segments for fast coring in general purpose concrete TBOWL bond for general purpose, moderate steel Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 5 IN Width: 5 IN Height: 10 IN Weight: 7.948 LBS

  • Premium bit_updated.jpg

    Diamond Products 2-1/2" Premium Black Wet Core Bore Bit

    Diamond Products
    $403.82 - $403.82
    $403.82
    $403.82 - $403.82
    $403.82
    In Stock

    Features Very high diamond concentration gives maximum footage and drilling speed in all types of wet drilling applications Good in moderate to high steel applications Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 3 IN Width: 3 IN Height: 13 IN Weight: 4.729 LBS

  • BOL Segmented.jpg

    Diamond Products 4" Star Blue Wet Diamond Core Bit

    Diamond Products
    $316.24 - $316.24
    $316.24
    $316.24 - $316.24
    $316.24
    In Stock

    Features Good quality diamond and good coring value BOL bond for general purpose, cured concrete and hard materials Prop 65 Warning This product can expose you to chemicals known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. Specifications Country of Origin: United States Length: 5 IN Width: 5 IN Height: 13 IN Weight: 7.050 LBS

Precision Coring Power for Concrete & More


  • Engineered for Concrete & Masonry

    • Our concrete core drill bits are optimized for cutting through reinforced concrete, brick, and block with minimal vibration and wear.


  • Diamond Tips for Smooth Cuts

    • Diamond core drill bits offer high-speed coring with clean, accurate holes, ideal for wet or dry drilling in hard materials.


  • Wet & Dry Coring Options

    • Choose wet core drill bits for reduced dust and increased lifespan, or dry bits for convenience and mobility.


  • Compatible with Standard Drills

    • These core hole drill bits fit rotary drills, hammer drills, and core rigs for job site flexibility.


  • Built for Professional Use

    • Heat-resistant, long-lasting designs make them ideal for contractors, electricians, and industrial users.


  • Various Sizes for Versatile Applications

    • Available in a range of diameters, these bits handle everything from conduit openings to large-diameter utility coring.



Frequently Asked Questions About Core Drill Bits


What are core drill bits used for?

They're used for creating clean, round holes in concrete, stone, and masonry.


Can I use core bits with a regular hammer drill?

Yes, but only if the drill supports core drilling and the bit size.


Do diamond core drill bits last longer?

Yes, they’re designed for durability and high-precision cutting.


Can these be used on reinforced concrete?

Absolutely, they are built to cut through rebar and dense material.


Are multiple core bit sizes available?

Yes, we offer a wide range of sizes for light-duty to heavy-duty applications.

Clearance Center

  • Werner Self Trailing Rope Grab with 50% OFF Stainless Steel
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    Werner Self Trailing Rope Grab with Shock Pack, Stainless Steel

    Werner Fall Protection
    $162.00
    $162.00 - $162.00
    $162.00
    $81.00
    $81.00 - $81.00
    $81.00
    Only 1 left!

    The Werner Self-Trailing Rope Grab delivers reliable, hands-free fall protection for professionals working at height. Designed for 5/8-inch (16 mm) synthetic rope lifelines, this stainless steel rope grab automatically follows the user’s movement up and down the lifeline, providing smooth mobility and instant locking in the event of a fall. Built from premium stainless steel, the L240002 offers superior corrosion resistance and long-term durability in tough jobsite conditions. The integrated ...
  • Werner 6 ft DeCoil Tie-Back Twin Leg Lanyard, durable fall protection harness with integrated energy absorber, now available at 50% off.
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    Werner 6 ft DeCoil Tie-Back Twin Leg Lanyard

    Werner Fall Protection
    $415.20
    $415.20 - $415.20
    $415.20
    $207.60
    $207.60 - $207.60
    $207.60
    Only 7 left!

    The Werner Twin Leg Lanyard comes with a 50% offer and is designed to deliver premium fall protection, flexibility, and durability for workers in construction, maintenance, and industrial environments. Featuring tie-back capability, it allows the user to anchor directly to the structure, eliminating the need for a separate anchorage connector. With twin-leg construction, this lanyard offers 100% tie-off — ensuring continuous protection when moving between anchor points. The integrated DeCoil ...
  • Werner LITEFIT™ Small Construction Harness with tongue buckle legs — 50% off.
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    Werner LITEFIT™ Construction Harness Tongue Buckle Legs Small

    Werner Fall Protection
    $1,491.80
    $1,491.80 - $1,491.80
    $1,491.80
    $745.90
    $745.90 - $745.90
    $745.90
    10+ in stock

    The Werner LITEFIT™ Construction Harness in half of the price delivers all-day comfort, superior fit, and dependable safety for construction professionals working at height. Designed with Werner’s trusted engineering, this full-body fall arrest harness provides the perfect balance between lightweight comfort and heavy-duty durability. The tongue buckle leg straps allow for easy adjustment and a secure fit, while the built-in back D-ring ensures reliable fall arrest connection. Featuring durab...
  • Werner 50 ft Max Patrol Self-Retracting Lifeline, Galvanized Cable at 50% off

    Werner 50 ft Max Patrol Self-Retracting Lifeline, Galvanized Cable

    Werner Fall Protection
    $440.80 - $440.80
    $440.80
    $499.00
    $499.00 - $499.00
    $499.00
    Only 1 left!

    The Werner 50 ft Self-Retracting Lifeline (SRL) with galvanized steel cable provides reliable fall protection with superior reach and mobility and get 50% offer. Engineered for overhead use, this Class 1 SRL is designed to arrest falls quickly while minimizing impact forces on the user. Built with Werner’s advanced internal braking system, the Max Patrol™ SRL offers smooth deceleration and quick activation, enhancing safety in elevated work environments. The durable galvanized steel cable res...
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    Safewaze 11 ft Cable Class A Self-Retracting Lifeline with Snap Hook

    Safewaze
    $149.00
    $149.00 - $149.00
    $149.00
    $74.50
    $74.50 - $74.50
    $74.50
    Only 1 left!

    The Safewaze 11 ft Cable Class provides dependable, compact fall protection for workers at height. Designed for safety, portability, and performance, this Class A SRL features a durable galvanized steel cable and double-locking swivel snap hook to ensure secure attachment in all conditions. Engineered for construction, maintenance, and industrial applications, this self-retracting lifeline offers smooth lifeline retraction, rapid fall arrest, and minimal impact force in the event of a fall. I...
  • Radians Tecona® Smoke Anti-Fog Safety Glasses
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    Radians Tecona® Smoke Anti-Fog Safety Glasses

    Radians
    $201.24
    $201.24 - $201.24
    $201.24
    $100.62
    $100.62 - $100.62
    $100.62
    10+ in stock

    The Radians Tecona offers dependable eye protection with a lightweight and stylish wraparound design. Engineered for comfort and durability, these glasses feature a scratch-resistant smoke lens that reduces glare and eye strain in bright outdoor conditions — perfect for construction, landscaping, or industrial work. The anti-fog coating ensures clear vision even in humid or high-heat environments, while the vented rubber nosepiece and rubber-tipped temples provide a secure, non-slip fit throu...