Technical

Our full range of Carbide Burrs includes a variety of Styles:Double Cut and Single Cut / Aluminium Cut, Long and Standard Lengths, Metric and Imperial Options.Use the following Carbide Burr Selection Chart to find the one you need for your project.Click on the image to download your Carbide Burr Chart …

HOW DO I START DRILLING A HOLE IN GLASS OR TILES?The simplest way to start a hole is prior to drilling the tile or glass. Drill a hole with the drill bit through a piece of timber, plastic or even cardboard. Place this ‘template’ over your target spot and start drilling, this will keep your drill centred and will stop it from moving. With a diamond core drill start of on an angle and then move the drill up to vertical, if you start vertically it will “walk” and mark the glass or tile.HOW HARD DO …

This easy to use chart allows you to directly compare Metric, Fraction, Gauge and Inch conversions from 0.3mm through to 40.8mmm.Click on the image to download

The flute form, web thickness and helix angle of the standard drill are suitable for most materials producing semi-continuous chips. Drilling sizes of 13mm and smaller in soft materials which produce continuous chips, e.g. copper, aluminium. A bright finish fast helix drill may be required to move the swarf more effectively. Conversely on materials producing discontinuous chips like brass, gunmetal and some plastics, a slow spiral is preferable. For effective drilling, the rigidity of …

TAP DRILL SIZEOn tough materials like stainless steel we recommend you take advantage of the extra allowance.It is especially important in deep holes of 2 times diameters and greater. In the thread charts that follow the correct tapping size is given in the information. We also give the alternative maximum size, as with good modern drills the drilled hole can be small. Here is a Tapping Chart you can use for reference: (Click to open and download the chart) LUBRICANTS A …