1. Carbon steel used for rock drills and dowels
   - drill rod

Type of: carbon steel

• October 12
• October 24
• October Revolution
• Octoberfest
• octodecimo
• octogamy
• octogenarian
• octonary
• octopod
• Octopoda
• Octopodidae
• octopus
• octoroon
• octosyllabic
• octosyllable
• octroi
• octuple
• octuplet
• octyl
• ocular
• ocular muscle
• oculism
• oculist
• oculomotor
• oculomotor nerve