Minnich A-1 On-Grade Drills

The Minnich A-1 Series single-drill, on-grade units offer unmatched versatility, drilling horizontally, vertically, into walls, or just six inches from corners without extra equipment. With models that fit 24- to 48-inch cutouts, these drills make repositioning simple even in the tightest spaces.

Description

Minnich A-1 On-Grade Drills: Precision at Ground Level

Built for Accuracy and Efficiency

Contractors rely on the A-1 for precision when slab-on-grade applications demand accuracy. These units combine portability, strength, and consistency, making them ideal for highways, runways, and large industrial slabs. Because of their compact build, A-1 on-grade drills allow operators to complete tasks in confined or restricted areas with ease.

Key Features of A-1 On-Grade Drills

  • Low-Profile Design – The A-1 on-grade drills operate horizontally at ground level, perfect for tight slabs and difficult spaces.
  • Single-Operator Efficiency – Ergonomic controls make it easy for one operator to manage the drill while improving productivity.
  • Air-Powered Reliability – Built as a strong pneumatic drilling solution, the system delivers consistent torque in the harshest conditions.

A Rugged Concrete Machine

Designed for versatility, this drill functions as a dependable concrete drilling machine. Contractors use them for joint preparation, dowel installation, or structural reinforcement. Because of their sturdy construction, they maintain accuracy and consistent depth even during repetitive drilling tasks.

Proven Pneumatic Drilling Solution

As a reliable pneumatic drilling solution, the A-1 reduces downtime while ensuring consistent performance. With fewer maintenance requirements than gas-powered alternatives, it saves time and costs on the jobsite. For crews who need dependable power across long shifts, A-1 on-grade drills deliver unmatched reliability.

Ideal for Dowel Drill Applications

When precision dowel placement is required, the A-1 on-grade drills excel as proven dowel drills. They create uniform spacing and depth, which ensures long-term slab durability. Whether for structural upgrades or slab restoration, these units maintain alignment while keeping operators safe and efficient.

Why Contractors Choose This Drill

As part of Minnich’s trusted lineup, A-1 on-grade drills combine durability, control, and performance. Acting as a concrete drilling machine, a rugged pneumatic drilling solution, and an accurate dowel drill, they offer contractors reliability for high-output projects. For ground-level drilling with precision and efficiency, the A-1 on-grade drills are the clear choice.

A-1-48

Drill Steel Length 24″
Drill Bit Diameter .625″ – 2.50″
*Maximum Hole Depth 18″
Minimum Cutout Width 48″
Distance From Top of Slab 3″ – 12″
Required SCFM 92.2
Required PSIG 120
Hits Per Minute 180 RPM
Weight 200 LBS

A-1-36

Drill Steel Length 12″
Drill Bit Diameter .625″ – 2.50″
*Maximum Hole Depth 10″
Minimum Cutout Width 36″
Distance From Top of Slab 3″ – 12″
Required SCFM 92.2
Required PSIG 120
Hits Per Minute 180 RPM
Weight 185 LBS

A-1-30

Drill Steel Length 12″
Drill Bit Diameter .625″ – 1.625″
*Maximum Hole Depth 10″
Minimum Cutout Width 30″
Distance From Top of Slab 3″ – 12″
Required SCFM 75
Required PSIG 100
Hits Per Minute 240 RPM
Weight 170 LBS

A-1-24

Drill Steel Length 8″
Drill Bit Diameter .625″ – 1.00″
*Maximum Hole Depth 7″
Minimum Cutout Width 24″
Distance From Top of Slab 3″ – 12″
Required SCFM 36
Required PSIG 100
Hits Per Minute N/A
Weight 150 LBS