Coal mine roof bolter
1067 mm | HDDR series
J. H. Fletcher &Co.
Greater flexibility than ever for your high-seam operation. Heavy-duty boom extends over rubble and loose bottom. Operates in seam heights from 6' to 17'. Booms swing from 4' to 20' to allow several installations from one chassis position. Mast tilts for vertical, angle or horizontal drilling. Walk-thru chassis. Optional material handling system.
Fletcher Model HDDR brings greater flexibility than ever to your high seam operation. Heavy-duty boom swing from 4' to 20' to allow several bolt installations from a single chassis position.
Booms allow operators to drill over rubble, near ribs and over otherwise loose bottom areas. Bolting pattern is established relative to the roof, not the floor. Standard 90O mast tilt allows angle and rib drilling: Fletcher ATRS (Automated
Temporary Roof Support) eliminates the need for temporary posts and jacks in
most applications.
Fletcher Model HDDR brings greater flexibility than ever to your high seam operation. Heavy-duty boom swing from 4' to 20' to allow several bolt installations from a single chassis position.
Booms allow operators to drill over rubble, near ribs and over otherwise loose bottom areas. Bolting pattern is established relative to the roof, not the floor. Standard 90O mast tilt allows angle and rib drilling: Fletcher ATRS (Automated
Temporary Roof Support) eliminates the need for temporary posts and jacks in
most applications.
