Drill Steel & Bits
On Grade
A-1
On Slab
A-1CL
A-1C
A-2C
A-2SC/A-3SC
A-4SC/A-5SC
Equipment Mounted
A-2/A-6
H-2/H-6

On Grade
A-1-48 & 36
A-1-30 & 24
On Slab
A-1CL
A-1C
A-2C
A-4SC/A-5SC