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Extension for Core Bit And Drills

Connection of various lengths meet the needs of drilling deep holes.

Quantity:
  • 8in-20in
  • DIAMTOOL
            Length    connection
inchmm 
82006/7''                     1-1/4''    customisized
12300
16400
20500


Connection of various lengths meet the needs of drilling deep holes.

High-quality steel works more stable and safer.

​Copyright 2020 Tongling Changjiang Diamond Tools Co., Ltd