Vertical and Horizontal drilling Twin American Pneumatic Drills, Gast Heavy Duty Air .
Motor Chain feed
Requires 400 CFM to operate
MThe machines are used for horizontal and vertical line in a pattern, most quarries use them exlusively, simple, easy to line up cost effective ease of mobility.
Drill the holes and then use dynamite to blast off a section of rock block
1-2" Drilling hole diameter
Drill depth is 20' and can be extended via extension couplers
Drill is air driven, needs 800 CFM
Tooling can be purchased from Traxxon Rock Drills and Derusha Supply
Machine was $65,000 back in 1996