The EX37 Drill Attachment with the Steel Mast is custom built to fit your excavator model, these Excavator Attachments offer solutions for a variety of rock drilling applications such as: 
Rotary Drilling (PDC Bits, Drag Bits, DTH Hammers etc)
Auger Drilling
Percussion Drilling using Hydraulic Drifters and 
Core Drilling
 
The small EX37 Drill Attachments are purpose built for borehole drilling of 34mm up to 140mm in diameter. They can also be used for small diameter Self Drilling Anchor Installation, small diameter Auger Drilling and also Core Drilling. The EX37 attachement comes with many optional extras to choose from such as:
Double Breakout Clamps
Dust Suppression 
360 degree rotator/s
Multiple Mast Lengths available
Centraliser
Pressure Washer Attachment
Shipping and Storage Platform
Rotary Head (high or low speed versions)
Optional Hydraulic Drifters (bolt off / bolt on)
Remote Controls (2 options available)
Air Swivel
WEM Excavator Mount
Angle Indicator (x, y)
Line Oiler
Energy Chain for Hydraulic Hose handling (for extended mast mainly)
Quick Change Drifter Mount
 
Once the experienced Drill Connex representative understands the type of Drilling, the Hole Diameter/s and drill Depths required Drill Connex can start to discuss with you a targeted build to suit your needs. These units are well priced and USA made. Contact Drill Connex for a specific build quote. 
Note: The Steel Version of the EX37 has a stronger mast than the aluminium version so Double Breakout Clamps are an option if required.  
 
EX37 Specifications:
Hole Diameter Range - Rotary: typically 70mm - 140mm
Hole Diameter Range - Percussion: typically 32mm - 64mm
Hole Depth Range - Rotary: typically 0m - 12m depending on diameter
Hole Depth Range - Percussion: typically 0m - 12m
Excavator Size: typically 6 - 15 ton however it has been fitted to 4 ton excavators as well, (it depends a lot on the options included). 
Standard Stroke Length: 3.2m (other lengths available)
Standard Mast Length: 4,410mm (longer and shorter lengths available)
Rotation Speeds: 0 to max 1000 rpm (depending on rotary head model)
Feed Extension: 600mm
Standard Radio Controls with 12 functions/controls