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HOME > BEAM DRILL LINES > OCEAN PENETRATOR DRILL BITS

Ocean Penetrator Drill bits for Structural Steel

structural steel drill bits for cnc beam drill lines

>> At 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.

We stock a full range of drill bits and insert drills from several manufacturers, including

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. Twist Drill Bits below.

Ocean Machinery stocks the following brands of drill bits for your drill line. 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's huge buying power results in the lowest cost per drill to  our customers.

Call us for prices too low to list on the web.

We have special incentive programs for our loyal drill bit repeat customers. Call to find out how you can save big on repeat orders.

Call Ocean Machinery at 1-800 286 3624 today to order your drill bits for your Ocean Avenger or other CNC Beam Drill Line.

1. Ocean PENETRATOR COBALT Twist Drill Bits - Taper Shank

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Click thumbnails to view larger images

These Cobalt drills are the newest drill bits we offer, and are made specifically for CNC Beam Drill Lines.

We tested this COBALT Structural Steel drill bit in early August 2006 and drilled 490 holes in 1 hour.

We also drilled more than 500 holes and the drill was still drilling holes at less than 8 seconds per hole.

See the Ocean Penetrator Cobalt Drill Bit video to the right.

The Ocean PENETRATOR COBALT Drill Bits arrive from the factory pre-sharpened to 170 degrees with a split point.

We stock 7/16” thru 2” diameter drills, and extended length drills are available 9/16” thru 1-1/16”

They feature:

  • Cobalt Steel - longer life - in our recent testing we were able to drill well over 500 holes before resharpening was required. Dramatically reduces costs.

  • Pre-sharpened to 170 degrees with raised tip - this is the ideal recommended tip for structural steel. No need for pre-sharpening.

  • It requires only a single-stage drill grinding procedure. This simplifies the resharpening and saves resharpening time

  • More than 500 holes between sharpenings

  • Should yield 50,000 holes per drill bit

  • Faster Drilling feed rates - The Ocean Penetrator works best at 7.1 in/min of feed rate - almost 20% faster than regular twist drill bits. This results in faster drilling times. Click here for recommended feed & speed rates.

  • Chipbreaker point - eliminates long stringy chips that clog swarf bins and fly all over the shop.

  • It requires only a single-stage drill grinding procedure and saves resharpening time.

  • No grinding required on the exit of the hole with properly sharpened drills - dramatically reduces costs

  • Direct access to sophisticated technical support. Ocean Machinery provides you with direct access to the manufacturers' tech support hot-line.

Call Ocean Machinery at 1-800 286 3624 today to order your drill bits for your Ocean Avenger or other CNC Beam Drill Line.

2. Nachi Cobalt Twist Drill Bits - Taper Shank

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Possibly the most well known drill bit on the market. This bit has proven itself in thousands of fabrication shops around the World

  • Made in Japan

  • 6-1/2" of flute length

  • Only available up to 1-1/2" dia with #4 Morse Taper

  • No Extended length drills available

  • Available in 1/32" and 1/64" sizes (call Ocean for stock on hand)

  • Between 300 and 500 holes between sharpenings

  • Should yield 30,000 holes per drill bit.

  • No grinding required on the exit of the hole with properly sharpened drills - dramatically reduces costs

  • Supplied with 118 Degree drill point angle. This drill must be pre-sharpened to 175 degrees prior to first use.

Call Ocean Machinery at 1-800 286 3624 today to order your drill bits for your Ocean Avenger or other CNC Beam Drill Line

3. Allied Insert Drill Bits (Spade Drill Bits)- Taper Shank

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Click thumbnails to view larger images

Insert Drill bits are also known as Spade Drill bits. Insert Drill Bits are well known to large fabricators. They eliminate the need for a drill sharpening machine.

  • American Made

  • Throw away inserts (T/A) screw into special insert holders.

  • Various drill point geometry and coatings are available

  • Metric sizes are available

  • Extended Lengths are available

  • Between 800 and 1,000 holes per disposable insert

  • No drill sharpening needed

  • Only available up 1-7/8" diameter

  • Access to great local technical support

  • You will need to grind the exit of the hole as the insert drill bits are radiused at the tip - this leaves a significant burr that must be ground prior to bolting.

  • Simple to change out inserts - Tips are priced individually but are sold in pairs

Call Ocean Machinery at 1-800 286 3624 today to order your drill bits for your Ocean Avenger or other CNC Beam Drill Line

The Big Debate - Insert Drill Bits VS. Twist Drill Bits

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....
 

Insert Drill Bit (Spade Drill Bit) Advantages

Insert Drill Bit (Spade Drill Bit)Disadvantages

Savings – You avoid having to spend $10,000 on a drill grinder.
Convenience - They always have a perfectly ground structural point.

Simplicity - They can just be discarded when dull and they are cheap to replace - around $30 every 800 - 1000 holes.

Convenience - Nobody has to learn the art of sharpening drill bits.
 

Cost - Insert Drill require holders for each drill size and you require at least two holders of each size.

Cost - 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.

Cost - If an insert breaks, the tool holder will be damaged and will have to be replaced - replacing tool holders is expensive.

Cost - If the Torx head holding the insert is stripped you have to replace the tool holder - replacing tool holders is expensive.

Cost – see worked costing example below.

Twist Drill Bit Advantages

Twist Drill Bit Disadvantages

Savings – You do not need to grind the exit of the hole – save on non value added activity.

Savings – Twist drill bits cost less than 1/10th the cost of insert drill bits – see worked costing example below.

Convenience - It only takes a couple of hours to train an operator to be able to sharpen drill bits.

Savings and Convenience -  you can purchase twist drill bits from any vendor – you are not locked into a particular supplier.

Savings – No matter how badly you dull a drill point it can always be resharpened – in some cases you can also resharpen a broken drill bit.

Inconvenience - You need to train an operator how to sharpen drills.

Cost – you have to purchase a $10,000 drill grinder.
 

Ocean PENETRATOR COBALT Twist Drill Bits TAPER SHANK

 

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Ocean Machinery is proud to announce the release of the Ocean Penetrator drill bit. The Ocean Penetrator is a taper shank twist drill bit specifically designed for fast productive drilling of structural steel profiles with CNC beam drill lines of all types.

The drill features a chip breaker design that quickly breaks off the chips into small manageable pieces and avoids the long stringy chips that normally plague drill lines.

The Ocean Penetrator drill bits feature oil coolant holes that run through the drill bit to cool the center of the drill while it is drilling through all structural steel profiles including beams, channel, angle, plates, tube, etc.

This results in exceptional tool life. Our customers average anywhere from 300 – 500 holes per sharpening1 and are able to get more than 100 sharpenings per drill bit. This yields in excess of 30,000 holes per drill bit resulting in significant savings and improved overall fabricating profitability.

The Ocean Penetrator drill bit is now also available in a Cobalt coating2. This further improves the drilling speed, increases the number of holes that can be drilled before resharpening, and increases your overall profitability.

1We are also now able to supply the Ocean Penetrator drill bits with a factory sharpened 170 degree drill point3 as opposed to the standard 135 degree drill point. To obtain the best performance the drill must be sharpened to a 170 degree drill point geometry. This is ideal for structural steel and results in burr free holes that further reduces costs by eliminating the costly grinding of the exit hole.

The resharpening of the drill bits is a simple one-step process on the Rush 250 A drill grinder available from Ocean Machinery. The operator is able to easily resharpen drill bits in less than 2 minutes and this is normally done while the CNC drill line is running, meaning that the drill resharpening is done during operator idle time.

You can view the simple drill bit resharpening process on our Drill Sharpening Tutorial Video below:

This further translates into further efficiency as the drill chips and swarf compress to occupy much less space in your scrap bin than the stringy chips which fill the bin with air

Ocean Penetrator Drill Bits - Benefits

  • Much cheaper than mag drill annular cutters. Reduces the consumable cost from approximately 20c per hole to less than 1/2c – this is 4000% reduction in drill bit costs compared to mag drill cutters

  • Much cheaper to run than insert drill bits (approximately 10X cheaper than insert drill bits)

  • Simple to re-sharpen – only 1-step process. New 170 degree point further simplifies sharpening process

  • Faster feed rate = shorter drill time = faster production. A 213/16” diameter only takes 7 seconds to drill through 3/8” steel.

  • Eliminates grinding of exit hole

* Faster Drilling feed rates - The Ocean Penetrator works best at 7.1 in/min of feed rate - almost 20% faster than regular twist drill bits. This results in faster drilling times. Click here for recommended feed & speed rates. *

 

Call Ocean Machinery today to place your order for the Ocean Penetrator Drill bits. Call 1 800 286 3624 or 954 956 3131.

 

NOTES

1 Actual tool life will vary based on a variety of factors including drill diameter, thickness and hardness of material being drilled, drill RPM, drill feed rate, drill sharpening quality, and other factors.

2 Cobalt coating not available on all drill diameters

3 170 degree factory drill point not available on all drill diameters

* Prices correct at January 2011 (subject to change)

 

Address 6720 NW 15th Way, Fort Lauderdale FL 33309 USA : Toll Free (800) 286 3624 : Tel (954) 956 3131 : Fax (954) 956 3199

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