0.5mm – 3mm = £3.50 each |
HINT: Use for opening up holes
These drills are like a regular twist drill but coated in diamond. This makes them perfect for enlarging holes and drilling through glass, especially misted double glazed windows.
Please ensure you check out our how to drill tutorials before attempting to use our diamond core drill bits for the first time, it will save you a lot of time and heartache.
Overall length starts at 25mm for the smallest drill and goes up in increments of 5mm to 60mm for the largest drill. Diamond working length goes from 10mm for the smallest up to 35mm for the 3mm drill.

Robert Wood from Rosewood Gifts.co.uk uses our Diamond Twist drills to open up the holes in his Gemstones to make his Power Bracelets