Knives

Blade Steel

BÖHLER M390 MICROCLEAN

THIRD GENERATION STAINLESS STEEL

M390 MICROCLEAN is a third generation stainless steel produced with powder metallurgy having extreme wear resistance, high corrosion resistance, high toughness and dimensional stability, excellent flexibility and resistance to mechanical shocks. The ideal hardness lies at HRC 60/61, recommended for high performance blades.

N690CO

PERFECT BALANCE BETWEEN CUT AND STAINLESS

Produced by Böhler Uddeholm it represents a great compromise between cutting and oxidation-resistance attributes. The ideal hardness lies at 58-60 HRC and this entails a good compromise between great cutting attributes, resistance to stress and ease of re-sharpening. This is perfect for the folding knife’s daily use but is also a great choice for hunting as they are often in contact with blood and other corrosive substances.

AISI D2

EXCELLENT SHARPENING AND STRENGTH

Although often defined as “semi-stainless” in the jargon used by knife enthusiastics, the high chrome content of 12.00% provides the D2 with a good resistance to oxidation under a normal use. Compared to stainless steels the D2 distinguishes itself by its superior edge holding and for its toughness, which make it suitable for the construction of solid work tools. When it is used for folding knives it is possible to temper the steel a bit harder to enhance its cutting attributes without any consequence on its fragility.

W.NR.1.4116 / 440A

OXIDATION RESISTANT

Extremely resistant to oxidation without being not very sharp. The maximum obtainable sharpening is not only very good, but it promises to last longer than other cheaper steels usually used in the kitchen industry as it is suitable for contact with food.

Damasco

CRAFTSMANSHIP DETAIL

The Damascus steel is made from several types of steel and iron slices fused together. The billet formed is then folded until the desired number of layers is obtained. This number doubles at every folding process. The blades finally get the famous design by undergoing an acid burden that reacts differently based on the steel.


The Damascus steel can either be stainless or have a high-carbon content. The different patterns emerge based upon the number of times and the way the billet is folded.

Buderus NITRO B

DESIGNED FOR CHEFS

NITRO B stainless steel suitable for chef and kitchen knives.
High resistance to corrosion and oxidation; excellent resistance to the thread. The ideal hardness lies at 59-61 HRC.

Sleipner

VERSATILE AND RESISTANT

Sleipner is a high alloy tool steel, it is an ideal steel for all types of surface treatments. It has good resistance to wear and chipping. The ideal hardness is 59-61 HR.

Superficial coating and finishing

Satin Finish

Artisan beauty

Our blades’ satin finish is manually achieved by highly skilled craftsmen, using appropriate abrasive wheels for satin finishing. Therefore the precious craftsmanship that is Viper’s pride yields this superlative final result.

Stone Washed

Resistant to oxidation

The stone washing process consists in vibrating the metal inside of huge containers full of specific abrasive stones and grits. The final result is an opaque surface, able to gloss the wear marks over.
The stone washed blade tends to keep the rust away and is thus suitable for steels which are not utterly resistant to oxidation.

PVD

Maximum protection

The acronym stands for Physical Vapour Deposition. This consists in a superficial condensation treatment obtained by vaporising the metals that will form the layer of the coating. The metals are then deposited on the surfaces to be treated.

The final result is a very long-lasting, protective layer that has superior adhesion attributes compared to varnishes or polymer thin films.

Dark Stone Washed

Innovative Black

The Dark Stone Washed (DSW) finish consists of the PVD coating with subsequent stonewashed process. The result is a dark surface with gradations and effects that change on the bases of the type of abrasive, stones and time used and the blade has better resistance to external agents.

DLC

Resistant to wear

DLC is an innovative carbon-based coating (Diamond-like Carbon), used to increase hardness and the ability to resist abrasion and sliding. The amorphous structure of the coating layer and its compactness make DLC a real barrier against wear and friction between surfaces subject to friction, as well as an anti-corrosion barrier.

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