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10, Jun. 2024

 

What are Diamond Core Drill Bits and Why should you use ...

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For more information, please visit Stone core drill bit supplier.

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What are Diamond Core Drill Bits and Why should you use them?

 

Known as the most effective and efficient method of cutting tough materials, diamond core drill bits are widely used in tiling industry to drill holes in tiles. But what are diamond core drill bits and what are their advantages against other drill bits. Here are a few facts about diamond core bits.

What are diamond core drill bits:

Diamond core bits are drill bits that are welded with tiny particles of diamond, the toughest material known. As such these drill bits can cut through the hardest of tiles, including porcelain, ceramics, marble, granite and vitrified tiles.

The most common methods of manufacturing diamond drill bits are electroplating and vacuum brazing. Vacuumed brazed diamond bits are manufactured by welding diamond particles in a vacuum brazing furnace of extremely high temperature. Vacuum brazed diamond bits are more durable, retain its sharpness for a longer time and can cut through harder tiles.

All OTEC diamond core bits by Amark Group are made using the vacuum brazing method to provide tilers with the most durable tools for precision drilling of tiles.

What are the advantages of diamond core drill bits:

  1. They can cut through the toughest of tiles: Diamond is the toughest materials out there. Compared to drill bits made from other materials, diamond drill bits can cut through tougher tiles like vitrified porcelain, granite and even concrete.

 

  1. Less debris and dust: Due to its immense cutting strength, diamond drill bits can cut through tough materials with ease, therefore produce less debris and dust during its operation.

 

  1. Diamond drill bits can be used with incredible speed tearing through everything from concrete to marble.

        At Amark our OTEC Diamond Core Drill Bits can be used at up to 11,000rpm.

 

  1. Diamond Core Drill Bits make less noise: The speed and ease by which it can cut through strong materials means that diamond drill bits create much less noise during operation compared to other drill bits. Anything that can help reducing noise on a construction site is a big positive tick for us.

 

  1. Cost effective: As diamond is used in the making of diamond core bits, they might seem more expensive compared to core bits made from other materials. However, the durability of diamond core bits outlasts others and make these tiling tools a lot more cost effective in the long run.

 

  1. Good for the environment and for your health: minimal noise, minimal debris and dust make diamond core drill bits one of the most friendly drill bits for the environment and your health.

OTEC diamond core bits

At Amark Group, through many years of experience working with tilers and the tiling industry, we have developed a range of high quality OTEC diamond core bits:

  • All our OTEC Diamond Core Bits are vacuum brazed to produce the toughest and highest quality core bits there are in the market.
  • We have a large range of core bits, with sizes ranging from 5mm to 112mm. Either M14 or Hex adapters are available, so our OTEC core bits can be used in angle grinders or drills.
  • OTEC Diamond Core Bits can be used at extremely fast speeds, up to 11,000rpm
  • OTEC Diamond Core Bits also come in a set consisting of 7 x M14 Core bits in various sizes and 2 diamond milling bits, compact and easy to take to site, a perfect tool for any tiler.

For interested tilers, builders and contractors, you can buy our products from our distributors. Find the nearest one through our Stockist Search Page by typing in your suburb/postcode. The page will give you list of the nearest distributors in your area.

With Amark Group, you have easy access to the best products in the global tiling and stone cutting market. Download our buyers' guide and register to be one of our stockists today.

 

Choosing Diamond Bits to Drill Beach Stones with a Dremel

Jewelers, beading and lapidary enthusiasts, and those that work with sea glass have a common problem:  How to make a hole in their material, be it stone, precious or semiprecious gems, or glass.

I have worked with beach stones for about 12 years.  They come in different hardness measured on a 1-10 Mohs' scale.  The quarzites are hard (7 on the Mohs scale) and the sedimentary or sand stones are much softer (about 3-5 on the Mohs scale) and therefore easier to drill.  We use a Dremel drill.  Take a look at the comments to this post about different models of Dremel drills.  We use cylinder drill bits that are coated with diamond dust (simply called diamond drill bits).  I buy them in bulk because we use so many.  I am out of bits again and I just scoured the web for suppliers.  This post is about how to choose a supplier!  Drill bits come in very different quality, so you want to choose carefully.

First, lets consider the different types of bits.  There are  1) cylinder bits, 2) twisted bits, 3) shank bits, 4) core bits, 5) crinkled core bits, 6) cintered core bits. If you are not sure what this means you can check out pictures of these bits at Dad's Rock Shop.  I have tried choices 1-4.  Considering the cost, I still prefer the simple cylinder bits or the twisted bits. They are much cheaper.  Most sources have a variety of sizes to offer.  And you can buy in bulk.  They work for really hard stones and they work with glass.   In terms of how long they last before they are totally dulled up, it's your technique which is most important: drill slowly, under water to keep everything cool and with a relatively slow rpm (<).   Drill even more carefully and without exerting much pressure if you are making a hole in glass.

So, once again I have decided to go with cylinder bits and I want diameters of 1-2 mm.  I usually order large quantities, say 300 ' bits.  I did a google search for  '1 mm diamond drill bits'.  Here is what I got.  The prices are per drill bit.

Dad's Rock Shop  $3.50 (no discount for large quantities)

Want more information on cutting tile with an angle grinder? Feel free to contact us.

Lasco Diamond Products $1.75 (1.5mm Diamond drill bits only)

By The Bay Treasures  $2.30  (min 50 bits)

Delta One Lapidary  $1.85 (min 12 bits)

Twisted bits on Ebay $0.35 (20 bits)

Thunderbird Supply Co.  $1.32 (min 30 bits)

Covington Engineering  $1.00 (min 50 bits)

Daniel Lopacki  $0.95 (min 100 bits)

I read every web site in detail and looked at the 'about' section.  That tells me whether the seller has first hand experience with drilling stones.   I have previously bought drill bits (and other stuff) from Dad's Rock Shop.  They are good quality, but their current prices are not competitive.  I have bought poor quality bits too, but not from any of the suppliers mentioned above.  I was somewhat interested in the drill bits from Bay Treasures because these are clearly lapidary enthusiasts and concerned with quality products.  However, I think I am going to go with Daniel Lopacki.  His prices are very competitive if you buy in bulk.  And the website includes great tips for drillers.  They know how to do it and have done it themselves and quality bits are a concern for this seller too.  As you can see, you can get bargains on Ebay.  I have had variable success with these bits depending on the vendor.  But check out the comments below, because Seth from fans4pc managed to change my mind on his diamond bits which are both well priced and good quality.

For drilling holes in glass, check this new post out!

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