3-Part Wet Diamond Core Drill Bit

The modular diamond core drill bit is designed with a three-section threaded structure, offering maximum flexibility, efficiency, and cost-effectiveness for professional drilling applications. The tool is ideal for core drilling through concrete, masonry, stone, granite, and other hard materials.

3-Part Wet Diamond Core Drill Bit

Product Overview

The 3-Part Wet Diamond Core Drill Bit is a modular, professional-grade tool designed for wet drilling in concrete, brick, granite, and other hard construction materials. Built for demanding job site conditions, this bit features a screw-type threaded assembly that allows quick connection between the top shank, extension barrel, and cutting head. It is ideal for use with hand-held or rig-mounted coring machines in structural, electrical, or plumbing applications.

Note: This bit is not intended for cutting through reinforced steel bars (rebar).


Key Features

• Modular 3-Part Design

The drill bit consists of three detachable sections—head piece, extension tube, and drill bit. This structure allows for easy replacement of worn parts, reducing maintenance time and cost.

• Wet Drilling Optimized

Designed for use with water-cooled drilling systems, improving efficiency and extending the life of the diamond segment during continuous use.

• High-Performance Diamond Cutting Edge

Delivers clean, fast cuts in concrete, masonry, and stone. Suitable for professional core drilling where accuracy and durability matter.

• Standard Thread Compatibility

Available in M22 and 1-1/4” UNC thread types, ensuring a secure fit with most standard core drilling machines on the market.

• Custom Sizes and Finishes

Diameter range from 18mm to 400mm, lengths of 370mm and 450mm. Durable spray-painted finish in black, red, blue, or gold—custom colors available upon request.


Product Specifications

SpecificationDetails
Drill Diameter18mm – 400mm
Total Length370mm / 450mm (custom lengths available)
Shank TypeM22 / 1-1/4″ UNC
ApplicationConcrete, Brick, Granite (wet drilling only)
Machine CompatibilityHand-held or fixed core drilling machines
MaterialDiamond segment with alloy steel body
FinishSpray-painted, anti-corrosion coating
Color OptionsBlack, Red, Blue, Gold, or OEM Custom

Typical Applications

• Concrete wall and floor coring
• Pipe and cable routing in construction
• HVAC and utility hole drilling
• Brick and block structure penetration
• Infrastructure or renovation projects


Why Work With Us

• Trusted diamond tool supplier with experience in OEM/ODM manufacturing
• Full range of core bit sizes and thread types available
• Professional support for large orders and distributor partnerships
• Consistent quality, quick turnaround, and global shipping options

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