Drills Examples

Superior Performing Drills

Louis Belet by GenSwiss provide some of the highest performing drills available in the North American market. The NEW EXPERT Series drills are designed for material specific applications. For increased performance and lower machining costs  count on our super precision micro drills, general purpose 2 and 3 flute carbide drills.

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INOX 370 EXPERT Drill for Stainless Steels

Series 370: Stainless EXPERT 

NEW for advanced performance in stainless steels, introducing the INOX 370 series micro drill. These optimized drills feature geometry and coating technology that provide unparalleled performance in many grades of stainless. 

This series is a Louis Belet by GenSwiss best seller. 

Sizes range from .5mm to 3mm 
Tolerance held to -0.002mm / -0.004mm

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three flute micro carbide drills for stainless and titanium

Series 353: Three Flute Micro Drills

Three flute drills provide additional rigidity, cut straighter and evacuate chips rapidly. 
Contact us about how our three flute micro drills can benefit your application and productivity.

Sizes range from .15mm to 3mm 
Available in Standard, stub and extended lengths of cut
Tolerance held to -0.002mm / -0.004mm

Drill for Composite Materials

Series 300: Composite EXPERT

The EXPERT Composite Series of drills from Louis Belet of Switzerland are designed and optimized specifically for advanced performance in composite materials. These advanced drills are resistant to abrasion wear and feature a geometry designed to cut through layered materials without de-lamination and reduced or eliminated burring. 

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NC Center Drills

Series 337: NC Center Drill 90°

Louis Belet general purpose premium center drills for advanced performance in a wide variety of materials.

Available in standard sizes from .4mm thru 20mm

Diameter tolerance held to +0.00mm / -0.01mm 
Diameter tolerance held to +0.00mm / -0.02mm on diameters over 1mm

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NC Center Drills

Series 337-1: NC Center Drill 90° - left-hand cut

Louis Belet general purpose premium center drills for advanced performance in a wide variety of materials. Left hand spiral for reverse spindle applications.

Available in standard sizes from .4mm thru 20mm

Diameter tolerance held to +0.00mm / -0.01mm
Diameter tolerance held to +0.00mm / -0.02mm on diameters over 1mm

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NC Center Drills

Series 337-2: NC Center Drill 120°

Louis Belet general purpose premium center drills for advanced performance in a wide variety of materials.

Available in standard sizes from .4mm thru 20mm

Diameter tolerance held to +0.00mm / -0.01mm on diameters less than 1mm 
Diameter tolerance held to +0.00mm / -0.02mm on diameters over 1mm

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NC Center Drills

Series 337-3: NC Center Drill 60°

Louis Belet general purpose premium center drills for advanced performance in a wide variety of materials. 

Available in standard sizes from .5mm thru 20mm

Diameter tolerance held to +0.00mm / -0.01mm 
Diameter tolerance held to +0.00mm / -0.02mm on diameters over 1mm

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Twist Drill with Centering Tip

Series 338: Twist Drill with Centering Tip

Specialized drills intended to reduce tooling used within the machine tool. These micro drills generate a flat bottom hole and self-center. 

Available in sizes from 2mm up to 8mm

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Micro Twist Drills

Series 339: Micro Twist Drill - helix 24°

Our complete line of micro twist drills give you an advantage when machining small diameter holes in a variety of materials.

Starting at .05mm (.002") cutting diameter these can be your viable solution for micro hole making production requirements. 

Available coated or uncoated for added performance in virtually any machinable material. 
Tolerances held to -0.002mm / -0.004mm

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Micro Twist Drills

Series 340: Micro Twist Drill - helix 34°

Our complete line of micro twist drills give you an advantage when machining small diameter holes in a variety of materials.

Ref 340 Series Micro Drills start at .5mm cutting diameter and go up to 2mm cutting diameter in .01mm increments. 

Tolerance held to -0.002mm / -0.004mm

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Pyramid Center Drill

Series 331-90: Pyramid Center Drill

Strengthened center drills designed for difficult to machine materials, including cast iron, superalloys and tempered steel. 

Diameters range from .4mm thru 3.00mm

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Centering & Chamfering Tool

Series 330-90: Centering & Chamfering Tool 90°

Multi purpose round shank tools designed for centering and spotting of micro drills as well as chamfer milling. Originally developed as a watchmaking tool, these micro tools are capable for any range of demanding applications. 

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Centering & Chamfering Tool

Series 330-120: Centering & Chamfering Tool 120°

Multi purpose round shank tools designed for centering and spotting of micro drills as well as chamfer milling. Originally developed as a watchmaking tool, these micro tools are capable for any range of demanding applications. 

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