Diamond Drill Bits

Using diamond drill bits is the most efficient way to make slots and holes from around 10 mm to 1 mm in diameter right down to almost unlimited depths.  Holes can be drilled into every type of brickwork and concrete to install electrics or plumbing.  It is also an efficient method of making holes of installing cables, pipes, load carrying devices and anchoring bolts.

Drill bits are placed on the moving end of different types of drilling machines which have diamond segments attached to the drilling end.  This method allows for minimal dust (if any) and is very quiet due to being powered by hydraulic or electric power systems.  For use in confined spaces, the tools can be used in inverted, vertical or horizontal or positions.  For irregular or larger openings, diamond stitch drilling can be used.  This is a technique where a range of holes are drilled next to each other to create an opening.

If you are new to diamond drilling, you can quickly improve your skills by learning some hints and tips.  It is both a science and an art and can be proficiently carried out by knowing the correct pressure and speed to drill, the proper coolants to use,  the appropriate accessories and choosing the right diamond drill for your material.

You should always wear the proper safety equipment including, safety goggles, footwear, head and hearing protection, respiratory equipment and well fitted clothing.   Before drilling, make sure there are no cracks in the drill by carefully visually checking it.  Check for run out too as this will significantly effect the hole’s shape affecting its circumference.  You can use a run out indicator specially designed for the job.

After you have carried our your initial safety checks, the next things to be aware of are firstly make sure you have your material held firmly in place before you start drilling.  Movement may cause the diamond part of the drill to break meaning damage to the material and possible injury to you!  Be careful not to use excessive pressure when drilling.

Drilling speed and pressure are also very important.  Using drills at their optimum will increase their life and reduce risk of material damage.  Drilling speeds vary with diameter of drill used, the coolant, diamond mesh size, drill wall thickness and material hardness.  As a guide, micro diamond drills from .001 inches need drilling speeds of 150,000+ RPM – quite high.  And much larger 48 inch diameter drills need lower 3 RPM.

Use coolant to wash out any excess debris.  Water is the best organic coolant and is clean, not leaving any greasy marks or contamination.  Other possible coolants are oils and air.  Always use coolant and remember, more coolant must be used the harder the material being drilled.

Tagged with: Bolts • Brickwork • Circumference • Coolants • Cracks • Diamond Drill Bits • Diamond Drilling • Diamond Segments • Drilling Machines • Electrics • Footwear • Hearing Protection • Holes • Initial Safety • Minimal Dust • Pipes • Proper Safety Equipment • Respiratory Equipment • Safety Checks • Safety Goggles

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