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Chu Gata Oire Nomi Japanese Wood Chisels

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Chu Gata Oire Nomi Japanese Wood Chisels

Rutlands    Part No. JP1033

• Hand-crafted by a Japanese master craftsman with over 10 years experience
• White paper steel blades coated with forged soft-iron hardened to Rc-66
• Hollow ground backs keep friction between the chisel and workpiece to a minimum
• Unparalleled in performance by modern day chisels

Hold one of these chisels in your hand and it is easy to see that these are genuine craftsman's tools. The laminated blade features a white paper steel back that forms the cutting edge with a softer iron hand forged over the top. This white paper steel is hardened to Rc-66, making it much harder than the steel blades of western chisels enabling it to take and hold an unbelievably sharp edge.

The backs of the chisels are hollow ground with the larger chisels featuring multiple hollows for greater stability when cutting close to the edge. These chisels are mounted on solid Japanese boxwood handles using a combination of tang and tapered ferrule to give exceptional support to the blade.

* 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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249.95 inc vat GBP
4.667 3 5
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  • review score 4.667
      Reviews (3)
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  • Brand Rutlands
    Country of Origin Japan
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  • Rating: review score 5
    Written By: Adam Butler
    The sharpest chisels I have ever used. Nothing more to say really.
  • Rating: review score 5
    Written By: M T Woodman
    Normally I'd complain about having to work on a set of chisel before using them, but the process of fitting the steel bands to the handles and then giving them a final hone really gave me a feel for the tools I'd bought. These are a joy to use and the multiple hollows do make them noticably more stable when cutting near the edge. Just need the tool roll now.
  • Rating: review score 4
    Written By: J Tibbles
    Got a set of these for my birthday. Wasn't sure about them at first as Id never used Japanees chisels but I did some reading up on them and after taking my first few tentative cuts, I cant imagine using anything else. Only complaint is that the handles are yellow and not a natural wood colour.
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