NIOSHTIC-2 Publications Search
Bolt faster, cut bit cost in hard roof.
Divers-EF; Organiscak-JA; Hilton-T
Coal Age 1986 Jul; 91(7):54-55
This paper describes several means of improving roof bolting productivity and reducing bit costs in the presence of hard roof conditions. Bit selection, drilling parameters, and operating procedures for both dry and wet drilling systems are among the contributing factors discussed.
OP; Journal Article
Issue of Publication
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division