Best Hex Drill Bits in 2026

Features a full-cone threaded tip for fast and effortless drilling

Contoured paddle for fast chip removal

Hex shank power groove to reduce slippage

Features a full-cone threaded tip for fast and effortless drilling

Contoured paddle for fast chip removal

Hex shank power groove to reduce slippage

INCLUDES: 1-1/4", 1-1/8", 1”, 7/8", 3/4", 5/8", 9/16", 1/2", 3/8", 1/4"

FULL CONE THREADED TIP: This will jab into your woods and sink through it effortlessly

CONTOURED PADDLE shrugs chips off as you’re drilling through wood, cutting down on heat and friction and preserving the overall structural integrity of the bit

Manufacturer: Bosch

Country of manufacture: China

Power Cutting & Sawing

MULTIPURPOSE - designed to drill concrete, concrete with light steel reinforcement or hard masonry

HEAVY DUTY - embedded diamond concentration guarantees longer core life and efficient drilling

ARBOR SIZE - 1-1/4"-7 threaded arbor

BIT SIZES INCLUDE: 3/8", 1/2", 5/8", 3/4", 7/8", and 1” in size. Bit length is 6”

POWER GROOVE HEX SHANK: The hex shanks are reinforced to reduce the risk slipping in your drill / driver while in use

SPUR AND REAMER TIPS: When you’re drilling into a project, these bits provide 3 points of contact. This keeps a stronger grip on the wood for greater accuracy

STANDARD DRILL CHUCK Adapter for 5/8-11 threaded core bits to regular 3/8 inch shank.

CONVERTS and TRANSFORMS - 5/8" - 11 Thread to 3/8 inch Triangle Shank for Standard Drill Use For marble polishing kit, polishing wheel for drill, sanding drill bit , and sanding wheel for drill

Light to Medium Duty Alloy - Twist Resistant - Most Diamond Core Masonry Bits, tile drill bits, stone polishing kit, granite polishing kit, diamond polishing pads, diamond cup grinding wheel, grinding stone for drill and Back Holders are 5/8 inch - 11 threaded.

Features a full-cone threaded tip for fast and effortless drilling

Contoured paddle for fast chip removal

Hex shank power groove to reduce slippage

Stubby mechanics length drill bit for additional strength

Left hand stub drill bit for removal of right hand threaded broken bolts or studs without tightening

Made from premium cobalt steel

MULTIPURPOSE - designed to drill soft brick and building block

HEAVY DUTY - embedded diamond concentration guarantees longer core life and efficient drilling

ARBOR SIZE - 5/8"-11 threaded arbor

7/16 In. hex shank for reduced slippage (3 In. and larger three-flat shank)

Chip lifters and spurs can be re-sharpened to maximize bit life

Deep cutter gullets prevent stalling and provide smoother drilling

✔️【WOOD AUGER BIT SIZE】: 3/8" (Diameter)  x 9"(Overall Length)

✔️【SCREW POINT TIP】: Screw Point Tip Allows Bit to Self-feed for Easy Drilling Fast Boring in Hard and Soft Wood.

✔️【MATERIAL】: Made of High Carbon Steel with Threaded Tip.

Efficient & Smooth Drilling: This diamond core drill comprises premium aluminum alloy components, and high-quality diamond grits ensure a longer coring life. Diameter: 2.5 in / 63.5 mm, Drilling Depth: 9.5"/241.3 mm. A pilot bit and an extra 4.5"/114.3 mm blade is included to increase your efficiency.

Engineered for Exact Fitting: With a 5/8"-11 universal thread, this core drill bit allows easy and rapid assembling to a standard fixed core or handheld drilling machine. It is compatible with most concrete core drill devices.

Humanized Structure: Our diamond dry coring bit features chip removal holes, highly regular sawteeth, and concentric axes design. The innovative construction provides high drilling performance while keeping a long lifetime.

Diamond core drill bit adapter hexagonal 1/2" to 1 1/4" 7 male threaded for core drill bits hole saw - - OVERALL LENGTH - 3 3/4". Extra long length to fit core bit adapter

Connects to core bits with 1 1/4" 7 threaded female arbor, and changes to connector to 1/2" hexagonal

1 1/4" 7 male length 1 1/2" - OVERALL LENGTH - 3 3/4"

High Quality Material - The wood auger bit is made of high carbon steel with threaded tip that can create deep holes quickly and cleanly in hard or soft wood.

Flute Design - The hollow center flutes collect clips to the inside of the bit and away from the outside diameter, so that can product a faster and cleaner cut and clear quickly chips out of holes.

Shank Type - The hexagonal shank can be fixed in all power tools more safety for slipping reducing in standard chucks.

8" Wet Type Core Bit Diamond Tip BLUEROCK BRAND

Thread Type: Industry Standard 1 1/4" (Directly fits our BLUEROCK  Z1 Core Drills) 

Overall Length: 17” Approximate, Inside Barrel Depth: 14.5"

{Specification} 4 inch core drill bits for concrete Wet Drilling Core Bits

{Thread} 1-1/4" - 7 threaded arbor

{Drilling Depth} 14" with mesh segments. Fast,smoothly, long life

Diameter: 3 inches

#30/40 diamond grit, designed for drilling hard concrete, hard brick, and other hard masonry.

Drilling Depth: 14"

[Finish Your Projects]: Smooth out edges and other imperfections on your projects or crafts with the ABN 0.1 to 0.8-Inch Deburring Chamfer Tool; Create smooth, beveled edges on your art, home, or vehicle projects with stainless steel deburring tool

[Perfect Cut Every Time]: Deburr chamfer bit repairs damaged bolts and fasteners to get the most uses; Deburring repair tool cuts rough edges off fresh-cut pipes and bolts to create a beveled edge

[Designed for Different Materials]: Metal and PVC deburring tool can be used on stainless steel, hardened steel, mild steel, copper, brass, aluminum, fiberglass, wood, and plastic; Use copper deburring tool on round bars, nuts, bolts, or rebar 0.1 to 0.8-inch (3 to 19mm) in diameter

Heavy duty. pro grade, vacuum brazed diamond hole saw for quartz, granite, concrete, cinder block, brick drilling.

Diameter is 1-3/8 inch with 5/8 inch - 11 threaded connection, maximum depth of cut is 1-3/8 inches.

Diamond vacuum brazed commercial grade, long life diamond core drill bit hole saw. For heavy duty professional applications.

➽High Quality: Made of high quality alloy steel, heat treated to make it last longer and more durable than general connecting rods;

➽Size: 5/8-11 male thread, Total length 72MM, shank length 45MM.

➽Package:Include 1pc Adapter for 5/8-11 threaded male to 3/8" SDS Plus Shank for diamond core drill bit, and 1pc Adapter for 5/8-11 threaded male to 3/8" hex Shank for diamond core drill bit；

Drill bits are made of M7 high-speed steel (HSS), for drilling hard materials

135-degree split-point, 1/4-28 threads and a 5/16 inch hex adapter for removal of drill bit

Three lengths of drill bits: Longs=2-3/8 inches; Shorts=1-1/4 inches; Stubs=3/4-7/8 inch

【Size】Diameter 1-1/2"(38mm),5/8-11 Threaded,Diamond height 10mm,Total height 60mm,3/8" Hex Shank drilling adapter

【Function】This 1-1/2" Dry Diamond Core Drill Bit is a great tool for cutting holes for split AC units plumbing, shower/tub grab bars, shower plumbing, faucet, garbage disposal button, gas forge and more projects

【Used for】The Diamond Hole Saw is great for drilling clean holes to tile,ceramic,granite,marble,masonry,concrete,stone,brick, and normal stone

✅ This adapter is designed unique for 5/8-11 threaded core bits to regular 1/4 inch quick change hex shank.

✅ This CORTOOL adapter is for standard drill use in marble polishing kit, polishing wheel for drill, sanding drill bit , and sanding wheel for drill or polishing wheel for drill.

✅ Most diamond core masonry bits, tile drill bits, stone polishing kit, granite polishing kit, diamond polishing pads, diamond cup grinding wheel, grinding stone for drill and Back Holders are 5/8 inch - 11 threaded adapter for core bits

Professional Grade 1 inch Diamond Core Hole Saw.

Permanent Diamond Coating with Vacuum Brazed Technology

Secure 5/8"-11 Threaded Connection for Angle Grinders

Exceptional Quality Pro Series Diamond Core Hole Saw 3 Inches

Drill 100+ Holes with A Single Tool, Ultimate Performance Dry or Wet Use - Fast and Clean Holes in Seconds

Secure and Strong 5/8"-11 Threaded Connection for Angle Grinders

High-Quality, Professional-Grade Diamond Hole Saw: Our 4-inch diamond hole saw features pro-grade quality and utilizes vacuum brazed technology for exceptional performance and durability.

Versatile and Efficient: With high-speed drilling capabilities, this diamond hole saw can handle a wide range of materials, including concrete, granite, quartz countertops, porcelain ceramic tile, brick, cinder blocks, and pavement. It's a versatile tool that can be used for various applications.

Increased Cutting Depth and Threaded Connection: Enjoy an increased depth of cut of 1-3/8 inches, allowing you to tackle thicker materials effortlessly. The 5/8 inch - 11 threaded connection ensures a secure and stable fit. We also provide an adapter for drill chuck inclusion, making it compatible with standard 1/2 inch drills.

Blu-Mol Xtreme Threaded Spade Bits 10X Faster than the standard spade bit

Threaded Tip for fast effortless drilling and twin spurs for cleaner holes

Coating that prevents rust and extends the life

Size: #30; Material: Cobalt; Finish: Black Oxide;

Overall Length: 1-1/4"; Shank Size: 1/4"-28;

Shank Type: Threaded; Style: Threaded Shank;

{Specification} Core Bit Adapter 1 1/4"-7 female thread to 5/8"-11 male thread

{Application} Designed for using smaller diameter wet core bits or all the size of the dry core bits that have the 5/8"-11 female threaded using a Core Drill.

{Working method} Using smaller diameter core bits threaded at 5/8"-11 on a core drill machine threaded at 1-1/4"-7.