OML assemble and retip core drills in our NZ workshops. A wide variety of diamond options are available to produce the ideal cutting speed and tool life to suit customers individual requirements and applications.
Our tests show we offer much better drilling solutions. Find out just how big the advantage is.
CUSTOM-MADE
CORE DRILLS
Call us on 0800 665 342
Professional quality
COMBO
Cutting Speed : High
Life : Long
Sizes : 50 to 400mm
COMBO has more segments for less jamming and longer life without sacrificing speed
2 bonds available :
. PURPLE for hard aggregates and/or heavy steel
. GREEN for medium reinforced concrete
Industrial quality
CDX
Cutting Speed : Good
Life : Good
Sizes : 50 to 300 mm
Segments : 10 mm pointed segments
CDX Standard spec laser welded for economical drilling (CDX is fully imported, limited diameters).
A good combination of speed and life at an economical price.
The Full Crown fills the rim with segments for trouble free drilling at high speed, even in heavy conditions. This design will often drill easily where other core drills jam on slow down.
FULL CROWN
Professional quality
Cutting Speed : Excellent
Life : Very good
Value: Higher initial cost
Sizes : 50 mm to 250 mm
2 bonds available :
. PURPLE for hard aggregates and/or heavy steel
. GREEN for medium reinforced concrete
Professional quality
Crown - Standard
Cutting Speed : Good
Life : Good
Sizes : 13 - 45 mm
Standard delivers a good balance of speed and life in soft to hard reinforced materials.
CDHS
CDP
Professional quality
Crown - LL
Cutting Speed : Good
Life : Long
Sizes : 12 - 45 mm
LL delivers longer life and is often used on slower RPM rigs
CDHS
CDP
Professional quality
Crown - A-Type
Cutting Speed : High
Life : Medium
Sizes : 13 - 45 mm
A-Type delivers the fastest drilling of steel reinforcing
CDHS
CDP
Cutting Speed : Good
Life : Long
Sizes : 50 to 600mm
Segments : 10 mm
Long life and accurate in abrasive material.
Industrial quality
ASPHALT
Cutting Speed : Very High
Life : Good
Sizes : 50mm to 250mm
Segments : 12 mm pointed segments
Diamond placement technology ensures smooth and fast drilling of hard to soft reinforced concrete at low feed pressure.
Professional quality
XD
Cutting Speed : Very good
Life : Very long
Sizes : 50 mm to 250 mm
Segments : 10 mm pointed
Long life drilling at very good speed. Suitable for soft material to very hard reinforced concrete. Extremely versatile and tough professional drills.
Professional quality
Pro-S
Cutting Speed : High
Life : Long
Sizes : 50 to 600mm
A very good combination of high cutting speed and good life on a wide variety of drilling machines.
Professional quality
A-Type
2 bonds available :
. PURPLE for hard aggregates and/or heavy steel
. GREEN for medium reinforced concrete
STANDARD FINISHED CORE DRILL DIMENSIONS
SEGMENTED
core drills
CROWN
core drills
* lenghts to 2000 mm
SMALL DIAMETERS 12 - 45 mm O.D.
MOST POPULAR CORE DRILL CONFIGURATIONS
LARGE DIAMETERS >50 mm
Cutting Speed : Extreme
Life : Lower
Sizes : 50 to 400 mm
Segments : 9 mm high segments
Extremely fast drilling at low feed pressure. Ideal for lower powered drills and rapid drilling with handheld drills.
Professional quality
W-Type
2 bonds available :
. PURPLE for hard aggregates and/or heavy steel
. GREEN for medium reinforced concrete