Savings ? You do not need to grind the exit of the hole ? save on non value added activity. Simplicity – They can just be discarded when dull and they are cheap to replace – around $30 every 800 – 1000 holes.Ĭonvenience – Nobody has to learn the art of sharpening drill bits.Ĭost – Insert Drill require holders for each drill size and you require at least two holders of each size.Ĭost – Insert bits definitely leave a burr on the exit of the hole, especially on lighter profiles and the fabricator must spend money on labor and consumables to grind the exit of the hole.Ĭost – If an insert breaks, the tool holder will be damaged and will have to be replaced – replacing tool holders is expensive.Ĭost – If the Torx head holding the insert is stripped you have to replace the tool holder – replacing tool holders is expensive. Savings ? You avoid having to spend $10,000 on a drill grinder.Ĭonvenience – They always have a perfectly ground structural point. Insert Drill Bit (Spade Drill Bit)Disadvantages Insert Drill Bit (Spade Drill Bit) Advantages ![]() We at Ocean Machinery are often asked by our customers what drill bits should they use – twist drill bits or insert bits? While we have always recommended and still recommend Twist Drill Bits, there have been significant strides in the recent past with regard to insert spade bits that are worth noting…. Ocean Machinery provides you with direct access to the manufacturers’ tech support hot-line. Direct access to sophisticated technical support.No grinding required on the exit of the hole with properly sharpened drills – dramatically reduces costs.It requires only a single-stage drill grinding procedure and saves resharpening time.Chipbreaker point – eliminates long stringy chips that clog swarf bins and fly all over the.Click here for recommended feed & speed rates. – almost 20% faster than regular twist drill bits. Faster Drilling feed rates – The Ocean Penetrator works best at 7.1 in/min of feed rate.Should yield 50,000 holes per drill bit.More than 500 holes between sharpenings.This simplifies the resharpening and saves resharpening time It requires only a single-stage drill grinding procedure.Pre-sharpened to 170 degrees with raised tip – this is the ideal recommended tip for structural steel. Cobalt Steel – longer life – in our recent testing we were able to drill well over 500.The Ocean PENETRATOR COBALT Drill Bits arrive from the factory pre-sharpened to 170 degrees with a split point. See the Ocean Penetrator Cobalt Drill Bit video to the right. We also drilled more than 500 holes and the drill was still drilling holes at less than 8 seconds per hole. We tested this COBALT Structural Steel drill bit in early August 2006 and drilled 490 holes in 1 hour. These Cobalt drills are the newest drill bits we offer, and are made specifically for CNC Beam Drill Lines. Ocean Penetrator Cobalt Twist Drill Bits – Taper Shank ![]() Call to find out how you can save big on repeat orders.Ĭall Ocean Machinery at 1-8 today to order your drill bits for your Ocean Avenger or other CNC Beam Drill Line. ![]() We have special incentive programs for our loyal drill bit repeat customers. Ocean Machinery’s huge buying power results in the lowest cost per drill to our customers.Ĭall us for prices too low to list on the web. We are able to ship directly from our warehouse to your shop, and if you get in your order before 4pm EST we will normally be able to ship the same day. Ocean Machinery stocks the following brands of drill bits for your drill line. If you are not sure whether to use Twist Drill bits or Insert Drill Bits on your Drill Line, please take a look at The Big Debate – Insert Drill Bits vs. Allied Insert Drill Bits (spade drill bit).Ocean PENETRATOR Cobalt Twist Drill Bits.We stock a full range of drill bits and insert drills from several manufacturers, including Structural Steel Drill Bits For CNC Beam Drill LinesĪt Ocean Machinery we are committed to providing you as many options as possible with regard to drilling with your Ocean Avenger or any other CNC Beam Drill Line.
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