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Diamond core drill bits with
crown segments silver or laser welded diameter 30mm-350mm provide
smooth and fast drilling for various concrete of cured reinforced
concrete with hard to soft aggregates, green concrete or abrasive
materials, such as construction of bridges, high-rise buildings, wall,
floor, etc., which have goods quantity of drilling holes, high
performance in drilling difficult operation conditions, especially
reinforced concrete with much steel bars or pebble stone.
Crown shape is benefit for
segment opening and fast initial drilling.
Usually using 45#
seamless steel pipe, the diamond core bit will not deform and
bend in the event of working.
Welding Type: High frequency
silver welding or Laser welding.
Wet Use.
Assembled drill bit is
available.
Used with Hydraulic
power drilling machines, electric hand-held drills. |
