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Complete Solution for Deep hole drilling

BTA drilling: Drilling, Boring and Trepanning

BTA drilling Process : Drilling, Boring and Trepanning

BTA stands for Boring and Trepanning Association which developed this deep hole drilling system. It involves a single drill tube in which high pressure coolant is supplied to the drill through the annular area between the drilled hole and the tube outer diameter. The chips are evacuated through the I.D. of the tube. The drill head is screwed to this drill tube which is much stronger compared to the kidney shaped shank of a gun drill, hence much higher metal removal rates are possible. This involves the use of a Pressure head which is basically a high pressure seal between the workpiece and the drill bush. BTA/STS drilling is generally used for ф19 and above.
Since the chip removal is internal, no v shaped groove is required in the shank, so its cross-section is completely round and this provides more rigidity to the entire system. BTA drilling finds its application in Industries like Oil & Gas, Defence, Steel, Aircraft, Aerospace, Hydraulic Cylinders, and Power etc. For larger diameter deep hole drilling, BTA drilling is the only available option which provides high productivity and precision.
Another system which evolved from BTA single tube system is the Ejector drilling system. It is a system with twin tubes where the coolant is pumped through the space between the inner and outer tube. This eliminates the use of Pressure head and simplifies the system. This was introduced mainly to tool up conventional machines to do Deep hole Drilling.

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ProfiDEX® Deep Hole Drilling Tools

Affordable Quality BTA Deep Hole drilling Tools by Profimach

ProfiDEX® BTA-style deep-hole drilling heads, inserts, and pads!

These drills provide low cost per bore and can effectively perform.

You can use the indexable inserts without the complex component count associated with cartridge-style tools.

Furthermore, they are directly interchangeable with Sandvik’s CoroDrill® 800 series of tools.

ProfiDEX® 800 drills cover a wide range from 25 mm to 65 mm.

We supply ProfiDEX® drill head inserts fitting on SUNNEN®, SANDVIK®, BTA-Heller®, ... By doing so, you are offered a large variety of indexable inserts for many different purposes. We also offer a large bore size range. Having the right drill bit is crucial to any project. If it is too small, The material’s density will be too great. If it is too large, you could ruin the material you are working with. All bore sizes we currently offer can be made on demand!

The ProfiDEX® 800 drills are highly recommended, especially is you already own the Sandvik’s CoroDrill® 800 series. If this is the case, then you can update your drill bits to a new model or replace old ones. And if you don’t have either drill, now is your chance to buy one to make drilling more efficient and consistent!

Indexables

Profimach - Profidrill provides indexables from 40mm dia. to 700+mm dia. with cartridges for extra protection for the tool.

There are many combinations in which the cartridge and wear pad can be used to produce additional plus hole sizes.

All Indexable drills are shipped with assembly instructions, including a list of spare parts.

Sandvik-style Drill

ProfiDEX BTA Drills

Profimach - Profidrill provides a direct fit indexable tool.

The Drill is designed for the inserts to fit directly in the drill pocket meaning there are no cartridges in this drill.

Many customers prefer this style drill in smaller diameter drilling because it provides for better chip evacuation.

The inserts for this tool are interchangeable with the Corodrill 800 Sandvik-style Indexable that are still in use.

This tool is available for Single Tube (STS) and Double Tube Systems (DTS).

The drill is available in our style or Sandvik-style guide pads. This drill is available in 24 mm dia to 65mm dia.

Inserts for Deep Hole Drilling

Profimach - Profidrill provides inserts with standard and Special Chip Breakers available for difficult-to-cut materials.

Performs exceptionally well in Inconel, Stainless, 13 Chrome, P550, 4145, and many other materials.

Profidrill offers a full line of Brazed as well as indexable solid drilling tools.

These tools come in a variety of sizes to choose from.

Our brazed tooling line covers a range of diameters from 10 mm up to 65 mm. This tooling line is designed with extra-long guide pads for straighter holes. We also offer multiple carbide grade coating options for optimal tool life.

Our indexable drill heads cover a range of diameters from 14 mm up to 700 mm. These tools are designed with robust pressed carbide inserts with multiple carbide grades, coatings, chip breaker designs. These tools can also be adjusted with our plus style spare parts. On some diameters, you can achieve up to 5 mm adjustment on diameter. We also offer tools with precision ground inserts for improved chip control.

Close diameter tolerance and high surface finish
With ideal machine part setup condition .25 mm/m tool drift attainable
The higher penetration rate in most materials