Global Leading Diamond Tool Manufacturer.
Johnson Tools OD82mm Dry Use Concrete Core Drill Bit Diamond Turbo Segments hreaded Drill Bit
Specifications:
Simplify electrical installations with the Johnson Tools Dry Use Diamond Core Drill Bit. Specifically engineered for electricians and HVAC professionals, this bit is the ultimate tool for drilling clean, precise holes for socket boxes (82mm) and junction boxes (68mm) in masonry and concrete without the mess of water cooling.
Diameter: 68mm, 72mm, 82mm
Working Length: 70mm
Connection: M16
Technology: Laser Welding
Cutting Materials: Concrete、Brick, Reinforced Concrete
Operating Conditions: Suitable dry use
Brand: Johnson Tools
Usage: Socket Installation.
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PRODUCT ADVANTAGES
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PRODUCT parameter
| Product Name | Out Diameter | Working Length | Connection | Application |
| Diamond Core Drill Bits | 68mm, 72mm, 82mm | 70mm | M16 | Concrete and Reinforced Concrete |
product usage
DESCRIPTION
Johnson Tools' Diamond Drill Bit is specifically designed for drilling holes to facilitate the installation of sockets. It is well-suited for working on concrete, reinforced concrete, and bricks.
These drill bits can be efficiently used with various manual electric drills, offering adjustable speed and a hammer drill function. Available in three diameters: 68mm, 72mm, and 82mm。 they can also be equipped with an SDS adapter for added versatility.
For optimal performance, we recommend using these drill bits with a handheld machine boasting a power of at least 650W. Trust Johnson Tools for reliable and efficient drilling solutions.
Type 1
Side cooling holes
Pipe wall without waves
Type 2
Side cooling holes
The pipe wall with waves
Type 3
Bttom cooling holes
Pipe wall without waves
Type 4
Bttom cooling holes
The pipe wall with waves
Frequently Asked Questions
Q1: What is this dry diamond core drill bit mainly used for?
A: This dry diamond core drill bit is mainly used for drilling clean
holes for electrical socket boxes, junction boxes, cable openings, and HVAC
installation. It is suitable for indoor renovation work where water cooling is
not convenient.
Q2: Which size should I choose, 68mm or 82mm?
A: 68mm is commonly used for single socket boxes or junction boxes,
while 82mm is often used for double socket boxes or larger electrical box
openings. The final size should be selected according to your socket box
standard and installation requirement.
Q3: What materials can this dry core drill bit cut?
A: It can be used for drilling brick, masonry, concrete, and some
reinforced concrete applications. For hard concrete or concrete with rebar,
drilling speed may be slower and segment wear may increase. Please share your
material condition so we can recommend the suitable segment type.
Q4: Can I use this M16 threaded core bit with an SDS Plus drill?
A: Yes. This M16 threaded dry core bit can be used with handheld
drills by using a suitable SDS Plus or hex adapter. Please make sure the drill
is used in rotary mode / non-impact mode, as impact drilling may damage the
diamond segments.
Q5: Why choose laser welded segments for dry drilling?
A: Laser welded segments provide stronger bonding than traditional
brazed segments. This helps improve safety and stability during dry drilling,
especially when drilling masonry, concrete, or harder building materials.
Q6: How do turbo segments improve dry drilling performance?
A: Turbo segments and side slots help improve dust removal and reduce
friction during drilling. This supports faster drilling, better cooling, and
smoother performance in dry applications.
Q7: How can I prevent overheating during dry drilling?
A: To reduce overheating, use the bit in non-impact rotary mode, apply
steady pressure, and withdraw the bit slightly every few seconds to clear dust.
Using a dust extraction vacuum is also recommended for cleaner and more stable
drilling.
Q8: Can this dry core drill bit be used with water?
A: This product is designed for dry drilling, especially for indoor
work where water is not convenient. If you mainly drill reinforced concrete or
large quantities of hard concrete, wet core drill bits may be a better option
for longer service life.
Q9: Can the connection, color, or specification be customized?
A: Yes. We can customize the connection type, diameter, working
length, segment type, paint color, and logo marking according to customer
requirements. OEM and private label service are also available.
Q10: What information should I provide for quotation?
A: To recommend the right dry core drill bit, please provide:
- Diameter, such as 68mm, 72mm, or
82mm
- Connection type, such as M16
- Drilling material, such as brick,
masonry, or concrete
- Machine type or adapter
requirement
- Required quantity
- OEM requirements, such as color,
logo, or packaging
This
helps us recommend the suitable specification and price.
Need dry
diamond core drill bits for socket box installation?
Please send us your required diameter, connection
type, working length, drilling material, and quantity. We can recommend the
suitable dry core bit for electrical installation, indoor renovation, brick,
masonry, and concrete drilling.
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