Best Drilling Bits blog to engage with our current and potential customers in a direct, informal, no-pressure way.

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Mieux maitriser notre taux de transformation ?

Le taux de transformation en règle général

Sur un site de e-commerce où le client peut payer en ligne, le Taux de transformation s’obtient en croisant le nombre de visiteurs du site avec le nombre de commandes enregistrées, en pour cent, sous forme de ratio : taux de transformation = commandes X 100 / visiteurs.
En clair, plus le taux est élevé, plus on a envie d’acheter chez vous.

le taux de transformation adapté à notre fonctionnement : La conversion du Devis à la Commande

Dans notre cas précis et compte tenu du fonctionnement de notre site où le paiement en ligne n’est pas possible et l’inexistence d’un vrai processus logistique, nous parlerons plutôt d’un taux de conversion du devis à la commande pour mesurer notre performance.

Il s’agit de la conversion des demandes de devis enregistrées sur le site, traitées par nos commerciaux qui sont croisées avec le nombre de commandes ferme

taux de conversion BestDrillingBits = devis X 100 / commandes.

Le taux de transformation moyen pour un site e-commerce

La FEVAD a publié un taux moyen de transformation par visite de 2,5 % en 2013 pour un site de vente à destination du grand public .

Ce chiffre cache cependant une grande disparité comme le démontre le baromètre des performances e-commerce par secteur de Kantar Media Compete et Google :

taux de transformation moyen pour un site e-commerce

Des pistes pour améliorer notre performance

– QUELS SONT NOS ACTIONS MARKETING et RELATIONS CLIENTS (avant, et après devis, commandes, visites…) ?

NEW WEBSITE, MORE PRODUCTS : Enjoy this new experience !

Drill bits that matter for you

Hey! We are BACK!
We took a while to build this new website to improve your online experience.
Pay attention to our new filters, they will help you find the drill bit
perfectly adapted to your activity.
Looking for a particular Diameter? IADC code? Or type of bearings? Our new website offers tools that ease your research.

You can also find useful advice about formations, demo videos, and post your feedback on our products.

Enjoy this new Experience!

The Benefits of PDC Bits : Rotary Drilling Demo with a 17″ 1/2 PDC

Rotary Drilling Demonstration with a 17″ 1/2 PDC Drill Bit we recently provide to one of our custommers in Europe.

The video shows the higher speed penetration, good quality and clear sharpness of drilling of PDC Bit compared to Tricone or Blade Bit.

At (a Technidrill division) we optimize the designs and perfect the performance of each drill bit, helping operators avoid the delay and expense of a more traditional trial-and-error approach.

Technidrill is a Manufacturer of drill machine components and drill bits from France and Canada. We also supply drill bits like PDC, TRICONE, Blades Bits (Three-wings) with better price, and more than 30000 pcs in stock. – See more at:

What are Leave in the Hole bits used for ?

Leave in the Hole bits are used for foundations, pilings, and anchor type systems where the bit is left in the hole and not retrieved. offers New Leave in the Hole Bits.

These bits have been specifically made for leave in the hole applications. They are unthreaded, which makes them less expensive and easier to weld to.

These ARE NOT RE-RUN or REBUILT bits !!!

6" left in the hole steel tooth tricone
6″ left in the hole steel tooth tricone


What are the benefits of PDC bits ?

What makes a PDC bit, its features and benefits, and what applications these bits work well in.


pdc cutters on a body in detail
pdc cutters on a body in detail

First of all, it’s important to notice the important role of Polycrystalline diamond compact (PDC) CUTTERS.
PDC Cutters enhance the performance of PDC drill bits, making them dynamically stable across a wide range of demanding vertical and directional drilling applications.

Polycrystalline diamond cutter is a unique material posessing high strength, hardness and toughness.
This makes it ideal for numerous material removal (cutting) processes.

PDCs are manufactured using diamond, tungsten carbide, high pressure and heat.
The diagram below shows the process.

detailed diagram of a PDC cutter


Contact us for more details.


PDCPolycrystalline Diamond Compact ) cutter bit inserts are sintered with selected diamond powder and tungsten carbide under high temperature and ultra-high pressure.

PDC’s have high hardness, wear resistance and impact resistance, are widely used for oil/gas well drill bit, rock drill and coal mining bitalso could be used for diamond tools for cutting, grinding, polishing.

pdc_cutters on
pdc_cutters on

As a general rule, large cutters (19mm to 25mm) are more aggressive than small cutters. However, they may increase torque fluctuations.

Smaller cutters (8mm, 10mm, 13mm and 16mm) have been shown to drill at higher ROP than large cutters in certain applications. One such application is limestone for example.

Additionally, small cutters produce smaller cuttings while large cutters produce larger cuttings. Large cuttings may cause problems with hole cleaning if the drilling fluid cannot carry the cuttings up.

(1) or (2) Soft and soft sticky-Highly drillable formations such as clay, marl, gumbo and unconsolidated sands.
(3) Soft-medium-Low compressive strength sands, shale and anhydrites with hard layers intermixed.
(4) Medium-Moderate compressive strength sand, chalk, anhydrite and shale.
(6) Medium hard-Higher compressive strength with non-or semi-sharp sand, shale, lime and anhydrite.
(7) Hard-High compressive strength with sharp layers of sand or siltstone.
(8) Extremely hard-Dense and sharp formations such as quartzite and volcanic rock.


Very soft (1) to medium (4) formation type pdc bits have one dominant size of PDC cutter. PDC cutting structure is denoted in the following way:
2 – this bit has mostly 19mm cutters
3 – this bit has mostly 13 mm cutters
4 – this bit has mostly 8 mm cutters