Laser Welded Dry Socket Core Drill Bit

The Laser Welded Dry Socket Core Drill Bit is designed for short-depth drilling in concrete, brick, block and masonry. Common diameters of 68 mm, 72 mm and 82 mm make it suitable for electrical socket openings and general installation holes.

The compact 80–95 mm body supports controlled drilling in shallow wall applications without requiring water cooling.

Laser-welded diamond segments
Short 80–95 mm core bit body
Dry drilling without water supply
Available in 68 mm, 72 mm and 82 mm
Two segment size options
M16, M22 and 5/8″ connections
OEM marking and packaging available

Inquiry

Description

OPTION 01 — Top-Opening Core Bit

Opening position: Top

Thread options: M16, M22, 5/8″

Segment size format: Length × Width × Height

Outside Diameter (mm)	Core Bit Length (mm)	Barrel Wall Thickness (mm)	Segment Size (mm)	Segment Quantity
68	80–95	2.0	24 × 3.5 × 10	4
68	80–95	2.0	24 × 3.7 × 12	4
72	80–95	2.0	24 × 3.5 × 10	4
72	80–95	2.0	24 × 3.7 × 12	4
82	80–95	2.0	24 × 3.5 × 10	5
82	80–95	2.0	24 × 3.7 × 12	5

OPTION 02 — Side-Opening Core Bit

Opening position: Side

Thread options: M16, M22, 5/8″

Segment size format: Length × Width × Height

Outside Diameter (mm)	Core Bit Length (mm)	Barrel Wall Thickness (mm)	Segment Size (mm)	Segment Quantity
68	80–95	2.0	24 × 3.5 × 10	4
68	80–95	2.0	24 × 3.7 × 12	4
72	80–95	2.0	24 × 3.5 × 10	4
72	80–95	2.0	24 × 3.7 × 12	4
82	80–95	2.0	24 × 3.5 × 10	5
82	80–95	2.0	24 × 3.7 × 12	5

Applications

Recommended for:

Electrical socket openings
Junction box installation
Cable and conduit holes
Plumbing installation holes
Concrete without steel reinforcement
Brick, block and masonry walls

Use a compatible dust extractor during dry drilling.

Not recommended for drilling metal, steel reinforcement or heavily reinforced concrete.

OEM

Customization is available for:

Outside diameter
Core bit length
M16, M22 or 5/8" connection
Segment size and diamond bond
Product color and laser marking
Private-label packaging

Provide the drilling material and machine specifications when requesting a customized diamond bond.

Which diameter is suitable for electrical socket installation?

The 68 mm and 72 mm sizes are commonly selected for electrical socket openings. The 82 mm option is suitable for larger installation holes. Always confirm the required opening size before ordering.