Innovative General-Purpose Drills

Stable and Long Tool Life Across of Work Materials and Machining

�?Fine-grained Carbide Substrate

Featuring both wear and fracture resistance!

�?NX Coating

Achieving superior wear and thermal resistance, as well as high quality, high hardness, and high strength, through the use of Absotech^® coating technologies!

�?High Quality Edge Ensures Stable Shoulder Tool Life

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Innovative bean-shaped oil holes and new coating are ideal for machining stainless steel and exotic alloy!Stable in a wide range of conditions for a long tool life!

• Releases more coolant to effectively cool the cutting edge!

• Uses new technology developed from fluid analysis to effectively cool the cutting edge!

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Suitable for steel to stainless steel, cast iron, and non-ferrous metal machining

SumiDrill WDX with its excellent balanced design, achieves stable drilling for a variety of work materials from general steel, stainless steel to cast iron.

In addition, there are 3 types of original chipbreaker designs available that enhance chip control and lower cutting forces, applicable to low rigidity setup conditions

1. Provides stable and high quality drilling with balanced design
2. 3 types of chipbreakers to eliminate chip control problems
3. New coating technology achieves long tool life with improved fracture and wear resistance
4. Economical 4-cornered insert interchangeable between the center and peripheral edges.

Highly durable body with a special hardened surface treatment enables stable and long usage for not only normal drilling but also a variety of machining such as hole expansion, counter boring etc.

3 types of chipbreakers cater to a wide variety of work materials and applications

“Chip Control Grooves�?located at the center of the chipbreakers effectively control the direction of chip flow on 3 types of chipbreakers that reduce chip control problems and cover a wide variety of work materals and conditions

• L type: for low feed and chip control
• G type: General-purpose
• H type: Strong edge

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“J flute�?design offers a wide chip pocket, producing more compact chips while achieving higher speeds.

Super MultiDrill GS/HGS utilize a new “J-flute” design with wide chip pockets for excellent chip control and chip evacuation.

In addition, the new “DEX-Coat” exclusively for drills, enables stable and long tool life over a wide variety of work materials and applications.

Unparalleled versatility for a diverse range work materials

New “J-flute�?design achieves stable drilling with excellent chip evacuation

Provides stable drilling with no wobbling for small machines.

Wide chip pocket evacuates chips formed at the center portion smoothly.

Utilizing “DEX-Coat�?exclusively for drills to achieve stable and long tool life

Utilizing an unique nano-coating technology to create a new generation coating specially for drills to achieve more than double the tool life of conventional coatings.

Adding silicon and chrome drastically improve the wear, thermal and adhesion resistance.

Newly developed composite super multi-layered structure significantly improves chipping resistance (coating strength).

HGS utilizes a double margin design to improve hole accuracy for deep hole drilling

Super MultiDrill WGS features a fine tuned “J-flute” that improves chip breaking capabilities during sheet metal drilling.
Unparalleled cutting edge sharpness minimizes work hardening and utilizing a special double-margin design produces consistent hole accuracy.

Low cutting force and high efficiency drilling of aluminum components

Super MultiDrill NHGS type is solid carbide drill with through-tool coolant holes that utilizes a new J-flute shape with WL-thinning that is specially for high feed drilling, to achieve stable chip evacuation and outstandingly low cutting force.

In addition, the combination of a wide W-margin and AURORA Coat achieve stable and high efficiency drilling of aluminum alloys.

Achieving high efficiency drilling at 2~4 times feedrate with less than ½ the cutting force

Utilizing a new “J-flute�?shape and “WL-thinning�?that is specially designed for high feed drilling

Pre-cast hole drilling with a wide double-margin design

AURORA Coat (DLC) provides a stable machining and long tool life

Wide double-margin

Wide double-margin ensures guide performance even in high-efficiency machining

DLC coat, AURORA Coat

Improved adhesion resistance under high speed conditions with AURORA Coat.

Covers a wide range of cutting conditions for cast iron drilling.Easy-to-use and improved efficiency.

Strong MultiDrill HX series is a special drill for cast iron which combines reduced cutting force and improved drill strength to achieve stable and high efficiency drilling.

For high-efficiency machining of cast iron

Utilizing a thick core with a special double margin design to ensure stable behaviour even in high efficiency drilling applications.
In addition, “RX-thinning” is used to significantly reduce cutting force to achieve high efficiency drilling with more stability (for ø10mm drills) and also allowing high efficiency drilling of more than vf=1,000mm/min.

Long tool life

“DEX Coat” exclusively for drills, utilizes nano-coating technology to achieve more than double the tool life of conventional coatings. Enhanced guiding function through optimizing margin positions, prevents breakage due to hole bending.

3 cutting edges achieve high feed conditions and long tool life.Suitable for both steel and cast iron.

Strong MultiDrill HY series is a 3-fluted drill that achieves stable, high efficiency drilling of steel and cast iron, reducing load placed on each cutting edge and ensuring long tool life.

For high efficiency drilling of steel and cast iron

Utilizing a thick core with 3-point margin design to achieve high efficiency drilling with stable hole accuracy.
In addition, “RY-thinning” is used to achieve high efficiency drilling with reduced cutting force and is applicable to cutting conditions of more than vf=800mm/min for steel and more than vf=1,000mm/min for cast iron (for ø10mm drills).

Long tool life

“DEX Coat” exclusively for drills, utilizes nano-coating technology to achieve more than double the tool life of conventional coatings.
High-level guiding functions with 3-point margin design achieve stable and long tool life with minimized vibration.

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Flat Multidrill MDF is a solid carbide drill that can be used for various purposes including high-efficiency spot facing and drilling in inclined and curved surfaces.

Can be used in a variety of drilling applications thanks to its point angle of 180°

Applicable to high-efficiency spot facing, drilling in non-horizontal surfaces such as inclined and cylindrical surfaces, and interrupted drilling.
Also reduces burrs at hole exits.

Improves machining stability

Achieves high rigidity by employing “RS THINNING”, which ensures wall thickness on the bottom face

Excellent chip evacuation performance

Achieves excellent chip evacuation thanks to its wide chip pocket and high-quality rake face shape.

Excellent cutting edge strength

Achieves excellent cutting edge strength thanks to optimized cutting edge design.

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New long drill which brings more efficiency to deep hole drilling

Super MultiDrill XHGS type is the next generation drill for super-deep hole drilling with stable chip evacuation and improved toughness for even higher efficiency drilling.

• Special thinning profile reduces cutting forces during high efficiency drilling
• Utilizing a special “RX-thinning�?profile that reduces cutting forces during high efficiency drilling
• Utilizing a new “J-flute�?for improved stability and chip control during deep hole drilling
• Utilizing “DEX Coat�?exclusively for drills, to achieve long tool life for a variety of work materials

High precision

As compared to conventional, the distance from the cutting edge (main margin) to the sub-margin is shortened to provide stable and vibration-free machining right from the start of drilling.

Eco-friendly

Can support MQL and two-component mist (concurrent discharge of oil and water)

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Replaceable type drill with exchangeable heads using an unique radial serration design, for high precision and strength

An exchangeable drill head provides a new cutting edge, higher productivity and cost efficiency with easy tool management.

Regrinding allowance of 1.5mm to 3mm makes further tool cost reductions possible.

Stable machining of mild steel, stainless steel, etc.

�?Overwhelming cutting edge sharpness in mild steel and SUS machining Newly designed linear cutting edge and special R web thinning enables improved chip evacuation and stable machining �?Stable long tool life New grade improves fracture and adhesion resistance

Suitable for high-efficiency drilling of general steel

�?strong> Excellent cutting edge strength Large edge treatment is used to reduce breakage of the cutting edge. �?strong> Stable machined hole accuracy X Type thinning achieves excellent centring on entry and stable drilling.

Ideal for drilling and burr control on non-flat surfaces

�?strong> Ideal for drilling and burr control on non-flat surfaces Can be used for high-efficiency spot facing, drilling on non-horizontal surfaces such as inclined and cylindrical surfaces, and interrupted drilling. Also reduces burrs at the hole exit. �?strong> Improves machining stability Achieves high rigidity by employing RS THINNING, which ensures thick web.

Optimized design for drilling rolled steel for welded structures (single or stacked plates)

�?strong> Gradual Arc Shape J-Flute Unique wide and smooth flute shape significantly improves chipcontrol and evacuation. �?Reduces peripheral edge chipping caused by flapping workpieces Robust Substrate and Reinforced Edge Treatment �?Excellent fracture resistance + chip control Dedicated cutting edge design �?Directs coolant to cutting edge evenduring MQL drilling Centre Oil Hole