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Japanese Cutting Sword
Shop our Japanese cutting sword collection - handcrafted Japanese katana with sharpened edges in T10 clay-tempered, Damascus, and 1045 carbon steel with full-tang construction. These katana feature properly ground cutting edges on hardened high-carbon steel across black, dark-red, and leather scabbard configurations. Free US shipping and hassle-free returns included.
T10 Carbon Steel Tanto With Clay-tempered Blade In Black Lacquer Saya - Real Hamon
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269.00 USD
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Frequently Asked Questions
What steel grades produce the highest-quality sharpened edges on Japanese katana?
Edge quality on a Japanese katana is directly tied to the steel grade and heat treatment, with T10 carbon steel producing the finest cutting edge characteristics of any grade in the Japanese sword collecting category. T10's fine grain structure - achieved through the clay-tempering process that creates differential hardening - produces a hard martensite edge zone capable of being ground to a very fine geometry that holds its form. Damascus steel produces excellent edge quality in the hard edge zone of a properly clay-tempered Damascus piece. 1095 high-carbon steel provides the mid-tier edge quality appropriate to its grade. 1045 steel produces edge geometry appropriate to its hardness tier. The relationship between carbon content, heat treatment quality, and resulting edge characteristics means that edge quality tracks steel grade in a consistent hierarchy.
What is the difference between a sharpened edge and a polished edge on a katana?
A sharpened edge and a polished edge are different aspects of blade finishing that serve different purposes. Edge sharpening is the progressive grinding of the blade bevel to create a cutting geometry - the actual acute angle at the extreme edge that creates cutting performance. This process removes metal to create the edge profile and requires proper blade hardness to produce a stable result. A polished edge is the surface finishing of the already-ground edge to refine its geometry and improve its visual appearance. Polishing removes the scratches left by sharpening grits, creating a smooth edge surface that reduces drag and improves cutting efficiency. High-quality Japanese sword edge work involves both proper sharpening to correct geometry and progressive polishing to refine the result. The distinction matters because a polished-but-improperly-sharpened edge looks refined but lacks the cutting geometry that functional performance requires.
How should I safely handle a sharpened Japanese katana for maintenance and display?
Sharpened Japanese katana require specific safety awareness for both maintenance and display handling. For maintenance, always handle the blade by gripping the spine - the unsharpened back edge - rather than touching the cutting edge surface. Use a clean, soft lint-free cloth held against the spine side to wipe the blade surface. Never slide anything along the cutting edge toward the blade tip. For oil application, apply camellia or mineral oil along the blade from the spine side using a cloth that avoids contact with the cutting edge geometry. For display positioning, always ensure the blade is oriented with the edge away from any surface or position where incidental contact is possible. Scabbard or protective sleeve the blade between display sessions to prevent incidental contact with the edge from any direction.
What maintenance does the cutting edge of a Japanese katana require over time?
The cutting edge of a high-carbon steel Japanese katana requires the same oil maintenance as the rest of the blade surface, with specific additional attention to protecting the edge geometry once established. After every handling session, apply camellia or mineral oil to the complete blade including the edge bevel. The thin geometry of the cutting edge makes it particularly susceptible to atmospheric moisture and oxidation - a surface rust spot on the edge can degrade the geometry if left unaddressed. Avoid any contact of the edge with hard surfaces during display or storage. For edge maintenance over long display periods, periodic inspection under magnification allows detection of any geometry changes before they become significant. Professional re-sharpening can refresh the edge geometry if needed, but should only be performed by someone with Japanese sword sharpening experience.
Customer Reviews
William Jones
California, United States
Feb 25, 2026 22:48
My Sword came fast and it's a nice looking sword. I might buy more in the future. Thank you TrueKatana
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T10 Clay Tempered Wakizashi with Real Hamon and Silver Floral Tsuba in Kanji Engraved Black Saya |
Markeisha Boyd
North Carolina, United States
Feb 15, 2026 15:42
My boyfriend loved the short katana the weight was pleasing unexpected and now wants to order a long.
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1045 Carbon Steel Tanto Sword with Black Matte Hardwood Saya and Bronze Alloy Oval Tsuba - Full Tang |
Ivan Sehnal
Praha, Czech Republic
Feb 13, 2026 12:47
Great sword, amazing value, helpful customsr service.
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T10 Folded Clay Tempered Wakizashi Sword with Real Hamon in Brown Rosewood Saya and Copper Tsuba |
Cody Kochanski
Wisconsin, United States
Feb 12, 2026 14:29
True Katana never ceases to amaze me with the quality each blade I purchase, I can’t wait to purchase more!
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Double Edge Tanto in Folded Red Pattern Steel with Bronze Beast Guard and Ebony Saya |
Eliezer Ortiz Sevilla
Florida, United States
Feb 12, 2026 12:34
I love it, the knot on the handle came off but is was no big deal easy fix, haven't used it a lot but is still sharp!!
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1045 Carbon Steel Tanto Sword with Black Matte Hardwood Saya and Gold Alloy Tsuba - Full Tang Japanese Short Sword |
Jack Collins
Georgia, United States
Feb 12, 2026 12:03
Very quick delivery. This is the second blade I’ve ordered and both have been fantastic. My one complaint with the recent one is that the sheath doesn’t fit snug and falls off if turned upside down.
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1045 Carbon Steel Tanto Sword with Black Matte Hardwood Saya and Bronze Alloy Oval Tsuba - Full Tang |
Carlito Flores
Arizona, United States
Feb 05, 2026 12:30
Online ordering was simple and user friendly. My sword was packaged with care and S&H was extremely fast with no issues!
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Black Aluminum Practice Katana - Unsharpened 41-Inch, Iron Tsuba, Dark Blue Handle, Training Sword |
Ryanald Jonathan
Jakarta, Indonesia
Jan 23, 2026 17:46
The sword I ordered reached safely in good condition to Indonesia. The quality is good no complaint. The people in True Katana are friendly and helpful. Thank you True Katana
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T10 Manganese Steel Wakizashi with Red Ito, Chrysanthemum Tsuba in Black Lacquer Saya |