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Maxi Bolts


Maxi-Bolt Engineering

Maxi-Bolt Load and
Spacing Tables

New - 355.2 Cracked Concrete Testing

6 Inch Maxi-Bolt Case Study


Maxi Bolt Installation

Maxi-Bolt Installation Videos

Maxi-Bolt Installation Kits

Maxi-Bolt Installation Presentations

Animated Installation Sequence


Quality Assurance Program


Stainless Steel Maxi-Bolts

Flush Mount Maxi-Bolts

Drillco Now Makes Bolts Up To 6" In Diameter


Jobsite Photos and Applications

Steam Generator Retrofit

Combined Cycle Plants

Electrical Generator Replacement

Moveable Bridges

Seismic Retrofit of Bridges

Can forming Equipment

Petro Chemical Plants

Electrical Substations


Diamond Bits

Drillco Rebar Eaters

Anchor Bolt Removal

Hitli Core Bit Retipping

Carbide Hammer Bits


Diamond Blades

Piranha Multi-Cutter Blades

T-Seg Grinding Wheels

Ductile Iron Blades


DS-69A Drill Stop Box

Drilling Machines

Drilling Equipment Assembly Videos

Hilti Core Drill Adapters Video

Hand-Held Hydraulic Saw

Drilling Accessories
The World Leader in concrete anchoring, specialty drilling and cutting equipment for over 30 years.
Maxi-Bolt Undercut, Non-Slip Anchors
The patented undercut anchor that is used in the nuclear and power industry for vibratory and seismic conditions as well as being an alternative to cast-in place anchors.
DS-69A Drill Stop Box
The DS-69A provides fast and reliable solid state switching to reestablish the ground connection in cases where an external, energized line is encountered. The DS-69A also prevents the accidental cutting of reinforcing bar, conduit, and post-tensioned cables.
Rebar Eaters
Drillco's patented Rebar Eater quickly and efficiently cuts holes of up to 2" diameter in heavily reinforced concrete.



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