Mukomachi Nomi Mortice Japanese Wood Chisels
Mukomachi Nomi Mortice Japanese Wood Chisels
£84.95
inc. vat
Home > Hand Tools > Chisels > Wood Chisels - Sets > Mukomachi Nomi Mortice Japanese Wood Chisels

Key Features

  • Shaped for making deep morticing cuts
  • feature thick, square section blades
  • White paper steel blade, the purest of Japanese tool steel with no additives
  • Hardened to RC-64 the blade will hold an exceptionally sharp edge
  • Mounted on solid Japanese white oak handles with a tapered ferrule
  • Hand forged by a third generation master blacksmith
  • Made in Japan

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Product Details

Shaped for making deep morticing cuts, these Japanese mortice chisels feature thick, square section blades. The blades have white paper steel backs reinforced with soft wrought iron hand forged over the top. Forming the back of the chisel as well as the cutting edge the white paper steel is hardened to Rc-64 making it very hard and capable of taking a fine razor like edge. The blade tapers gently towards the neck and then flares out again to match the dimension of the solid oak handle. This shape prevents the chisel from damaging the edges of the mortice and gives better support to the blade in cutting. The blades are anchored in the solid white oak handles by integral tangs and supported with tapered ferrules. * Leather tool roll not included.

Japanese chisels differ greatly in construction and form to the more familiar Western style chisels common in workshops today. Drawing on centuries of metal working knowledge and skill dating back to the very finest sword makers to the Samurai, many Japanese woodworking chisels are still hand made by the individual blacksmiths whose names they bear. Masters of their craft, which would take an apprentice approximately 10-15 years to learn, these blacksmiths produce chisels that are unparalleled in performance even by chisels made using today's state of the art technology.

Traditional Japanese chisels or "Nomi" feature bi-metallic blades. This is usually an extremely hard tool steel with a softer iron or steel forge welded over the top. This offers a distinct advantage over Western style single metal blades. The harder a steel is, the sharper an edge it is able to take. Unfortunately, the harder a steel is, the more brittle it becomes so, for single metal blades there is a maximum hardness that can be reached before a blade becomes too brittle to be used practically. With the Japanese bi-metal blades, the softer top layer acts like a shock absorber to the harder metal cutting layer ensuring that the hammer blows that would damage or crack a single metal blade of the same hardness has little effect on the Japanese blade.

Japanese chisels require a small amount of work on them before they are ready for use. The steel reinforcing ring at the top of the handle must be fitted properly before the chisel is first used. To do this, remove the ring from the handle and gently file around the top of the handle to reduce the diameter slightly. This should allow the steel ring to sit further down the handle. When striking the chisel with a hammer, the hammer must not contact the ring but rather the wood above the ring. The wood above the ring will eventually spread over the top of it. This helps to protect both the hammer and the reinforcing ring when the chisel is used.
Shaped for making deep morticing cuts, these Japanese mortice chisels feature thick, square section blades. The blades have white paper steel backs reinforced with soft wrought iron hand forged over the top. Forming the back of the chisel as well as the cutting edge the white paper steel is hardened to Rc-64 making it very hard and capable of taking a fine razor like edge. The blade tapers gently towards the neck and then flares out again to match the dimension of the solid oak handle. This shape prevents the chisel from damaging the edges of the mortice and gives better support to the blade in cutting. The blades are anchored in the solid white oak handles by integral tangs and supported with tapered ferrules. * Leather tool roll not included.

Japanese chisels differ greatly in construction and form to the more familiar Western style chisels common in workshops today. Drawing on centuries of metal working knowledge and skill dating back to the very finest sword makers to the Samurai, many Japanese woodworking chisels are still hand made by the individual blacksmiths whose names they bear. Masters of their craft, which would take an apprentice approximately 10-15 years to learn, these blacksmiths produce chisels that are unparalleled in performance even by chisels made using today's state of the art technology.

Traditional Japanese chisels or "Nomi" feature bi-metallic blades. This is usually an extremely hard tool steel with a softer iron or steel forge welded over the top. This offers a distinct advantage over Western style single metal blades. The harder a steel is, the sharper an edge it is able to take. Unfortunately, the harder a steel is, the more brittle it becomes so, for single metal blades there is a maximum hardness that can be reached before a blade becomes too brittle to be used practically. With the Japanese bi-metal blades, the softer top layer acts like a shock absorber to the harder metal cutting layer ensuring that the hammer blows that would damage or crack a single metal blade of the same hardness has little effect on the Japanese blade.

Japanese chisels require a small amount of work on them before they are ready for use. The steel reinforcing ring at the top of the handle must be fitted properly before the chisel is first used. To do this, remove the ring from the handle and gently file around the top of the handle to reduce the diameter slightly. This should allow the steel ring to sit further down the handle. When striking the chisel with a hammer, the hammer must not contact the ring but rather the wood above the ring. The wood above the ring will eventually spread over the top of it. This helps to protect both the hammer and the reinforcing ring when the chisel is used.

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Specifications

Brand Rutlands
Country of Origin Japan

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Mukomachi Nomi Mortice Japanese Wood Chisels

Rutlands
Part No. M_JP1085
£84.95 inc. vat

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