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Roughing Gouge Cryo Handled 19mm

Roughing Gouge Cryo Handled 19mm

Regular price $169.90
Regular price Sale price $169.90
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Roughing gouges are used for turning a square block of timber into a round blank or removing large quantities of timber to get to the correct turning shape. A very steep 170 degrees is used on roughing gouges to scrape away large sections of stock and minimising dig-in with a large flute suitable for large stock removal.

Traditionally made hot forged gouges are ground and finished by hand. The ideal tools for preliminary work to produce a round shape from square edge spindle stock. All Crown roughing gouges are tested at the tang to ensure that they absorb the shock generated by roughing out without danger of snapping before leaving the factory. 

Blade length = 185mm
Handle length 19mm = 254mm
Handle length 32mm = 350mm

About Crown Cryogenic Steel

The Crown Cryogenic range are high quality turning tools with a difference. Using cryogenically treated tools means that now you can turn more and sharpen less often. The tools are made from M2 Steel that are heat treated normally then taken down to temperatures as low as -185°C which changes the molecular structure of the steel.

The two main crystals in tooling steel are the larger and softer austenite and the smaller, more stable martensite.  Normal heat treatment seeks to transform the austenite to martensite to produce steel with good wear characteristics and an amount of ductile properties.

The cryogenic process greatly enhances and accelerates the austenic transformation.  Another benefit is that at these extreme temperatures, fine ‘eta’ carbides are formed within the carbon structure.  Growing very slowly and only at these very low temperatures, ‘eta’ carbides are extremely small and act as a ‘filler’ between the other crystals in the metal.

The combined effect of heat treatment and cryogenic processing is to produce a refined crystal structure in your hand tool that will give a lifetime’s service by producing a blade that will retain its edge longer and give a superior ‘feel’ in use.

All Crown Cryogenic Turning Tools are finished with beautiful black Ash handles.

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