Spudding bar

From StructuralWiki
Jump to: navigation, search

A bar used to drill a hole through the overlying earth to rock, in order to make an entrance for the rock drill.

Retrieved from "http://www.structuralwiki.org/structural_wiki_en/index.php?title=Spudding_bar&oldid=6979"
Personal tools
Namespaces

Variants
Actions
Navigation
administration
Toolbox
Related Sites
Excel for Engineers at ExcelCalcs.com
Advertising
  

TOPlist