hex 22 drill rod

hex 22 drill rod with 7 degree taper and R22 or R25

This hex 22 drill rod is mainly used with rail-mounted pneumatic rock drilling machines for applications such as underground mine anchoring holes, shallow mining blast holes, and shaft excavation in mines.

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Description

Drilling Rod Connection Features

The connection between this drilling rod and the drill bit is a 7-degree tapered connection, while the connection with the coupling sleeve uses either an R22 or R25 threaded connection.

Technical Specifications of the Drilling Rod

  • Connection with the drill bit: 7-degree tapered connection
  • Threaded connection specification with the coupling sleeve: R22 and R25 available
  • Drill rod specification: hexagonal 22 mm
  • Drill rod lengths: 1 m, 1.2 m, and 2 m are available
  • Weight: ranges from 2.9 kg to 7.0 kg, with detailed information available in the table
  • Material: high-strength alloy structural steel, 23CrNi3Mo
  • Manufacturing process: full carburization
Technical Parameters
hex 22 drill rod with 7 degree taper and R22 or R25
22mm ( 7/8" ) Drilling rodLHThreadTaperOrder numberWeight kg
mmfoot, inchmminch

Hex22-R25

Hex22-R25

10003', 3 3/8"227/8R227 degreeB246-2210-51972.9
10003', 3 3/8"227/8R25B246-2210-52973.0
12003', 3 3/8"227/8R22B246-2212-61973.5
12003', 3 3/8"227/8R25B246-2212-62973.6
22007', 2 5/8"227/8R25B246-2222-52977.0
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hex 22 drill rod with 7 degree taper and R22 or R25