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Home > Shop by Brand > Tormek > Tormek Drill Bit Sharpening Attachment
Tormek Drill Bit Sharpening Attachment
Tormek Drill Bit Sharpening Attachment
Item # : DBS-22
Price: $280.00
Item qualifies for free shipping
Stock Status: In Stock
When will it arrive?
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Tormek 4-facet point

With the Tormek patented attachment for drill bits DBS-22 you can now sharpen your drill bits with the highest precision. The optimal point and clearance angles can be set according to each drilling requirement, which depends upon the drill size and material. You can completely restore worn drills as well as broken drills to a perfect shape.

You create a 4-facet point which gives the ideal cutting performance since the chisel edge gets a point instead of being almost flat as on many drills. A 4-facet point will not walk and the thrust force required is considerably reduced compared to a conventional cone point drill.

A precision sharpened 4-facet point generates less heat and the life of the drill is therefore also prolonged. Independent tests show that a Tormek sharpened drill lasts up to 4 times longer than a brand new conventional drill bit¹.

By working with the laws of physics and cooling the edge continuously, the risk that the steel becomes overheated and loses its hardness or gets micro cracks is eliminated. You have full control all the time and can see how the sharpening proceeds. Will work on all Tormek models.

 

Flexibility and Precision

4-facet point

4-Facet point
The chisel edge comes to a point and will not walk. Bores a round, straight hole with close tolerances.

Drill bits
Always equal cutting edges

Always equal cutting edges
The two cutting edges are sharpened symmetrically and work in perfect unison which prolongs the life of the drill.

Sharpens all point angles

Sharpens all point angles
It can be set at any angle between
90° and 150°.

Always the right clearance angle

Always the right clearance angle
The optimal clearance angle can
be set according to each drilling requirement to 7°, 9°, 11°or 14°.

Sharpens all drill sizes

Sharpens all drill sizes
One and the same drill holder copes with drills from 3 mm (1/8") to 22 mm (7/8"). No change of chuck required.

 

 

Parts

DBS-22
Base plate

Base Plate

Guide

Guide

Setting template

Setting Template

Drill holder

Drill Holder

Instruction

Instruction

Magnifier

Magnifier

 

Questions & Answers

Why is the 4-facet point so beneficial compared to a conventional point?
It considerably decreases the force required on the core of the drill, i.e the chisel edge, which reduces the heat development and permits an increased force to the cutting edges. It gives the drill a dramatic improvement in cutting performance.

Why does a Tormek sharpened drill last longer?
The beneficial 4-facet point and the high precision sharpening - both cutting edges are sharpened to an exact equal length and symmetrically - make the drill work efficiently and the life of the drill bit is considerably prolonged.

What determines an exact and straight hole?
The 4-facet geometry causes the drill to bore a straight and round hole with very close tolerances. It is crucial that both cutting edges are equal and sharpened to the same angle. This is an essential requirement so that the two edges will work in the same way and ensures that the drill will bore a straight hole, which is not larger than the drill diameter. Otherwise, the longer edge will take most of the cutting force, get overheated and more heavily worn. The result is a drill that will dull rapidly and stop working properly.

What point angle should I have?
Drill bits usually have a point angle of 118° or 130°. Hardened steel and stainless steel require larger point angles. Also aluminium is best drilled with a larger point angle. When drilling plexiglass, the risk of cracks when the drill goes through the material is reduced with a larger point angle. Centering drills usually have a 90° point angle.

Is the clearance angle important?
The choice of clearance angle is crucial to the cutting performance and duration of the drill. The optimal clearance angle depends both on the drill diameter and the material to be drilled. A harder material requires a drill with a smaller clearance angle while a softer material can have a larger angle. Standard drills have a clearance angle of 11° and a 118° point angle which work well for most drilling work.

How do you know if the steel has become overheated when using a dry grinder?
Overheating of the steel is often not noticeable, but the consequences are that the drill will dull rapidly and may even break. Unlike conventional drill bit sharpeners, Tormek sharpens with water cooling which is gentle on the steel.

 

This is How The Attachment Works

Primary and secondary facets
The Primary facets, P and the Secondary facets, S meet in the centre and form a point.
  DBS-22 with mounted drill
The drill is mounted in a Drill Holder (3) on a Guide (2), which in turn runs on a Base (1).
Sharpen the primary facets
You start by sharpening the Primary facets. The grinding depth is determined by a setting screw, P.
  Sharpen the secondary facets
The drill holder is moved forward to a second stop S for grinding the Secondary facets.
Select the point angle
The Point angle can be set at any angle by turning the guide. Select the angle which is most suitable for the job…
  Measure the point angle
...or first measure the existing point angle in the grooves on the Guide.
Set the clearance angle
The Clearance angle is set by tilting the base…
  Set with the setting template
...it can easily be set with the Setting Template.

 

Video

I want to thank you for your prompt, speedy attention to my order. The other day I received my order and was pleasantly surprised at how quick my order was processed and received. I will definitely purchase from you again should I need more or other sharpening supplies.
Tim J, Paw Paw, MI

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