Hawaiian Koa 5A Curly Wood #KOA-897
■ Product Description
Hawaiian Koa 5A Curly
Premium Figured Wood
Item Number: KOA-897
This is a premium 5A (High Grade) Curly Hawaiian Koa piece featuring the distinctive golden-to-brown natural coloration and deep, powerful curly figure characteristic of high-grade Hawaiian Koa.
The striking 5A curly figure comes to life as the viewing angle and light change, revealing impressive three-dimensional depth, movement, and natural luster across the surface of the wood.
The wood is sourced directly from suppliers on Hawaii Island and supplied as part of an ongoing reforestation project.
■ Grade
5A (High Grade) Curly
■ Scientific Name
Acacia koa
■ Size
Approx. 480 × 25–85 × 47 mm
(Length × Width × Thickness)
■ Moisture Content
Approx. 11%
■ Wood Information
Species: Hawaiian Koa
Scientific Name: Acacia koa
Origin: Hawaii Island, State of Hawaii, USA
■ Features
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Rare 5A (High Grade) Curly Hawaiian Koa
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Deep and highly three-dimensional curly figure
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Rich natural golden-to-brown coloration
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47 mm thickness provides flexibility for custom cutting and processing
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Unique natural grain patterns and coloration
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Suitable for a wide range of applications, from instrument components to fine woodworking
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Directly sourced from Hawaii Island
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Supplied as part of a reforestation project
■ Recommended Uses
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Musical instrument components
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Knife handles
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Tool handles
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Pen blanks and turning projects
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Accessories and jewelry
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Inlays
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Small custom wooden items
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Fine woodworking and craft projects
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DIY projects
A premium 5A Curly Hawaiian Koa wood piece offering excellent flexibility for custom cutting and processing while showcasing the deep figure, rich coloration, and distinctive beauty of genuine Hawaii Island Koa.
Why Is Everyone Obsessed with Koa?
You may often hear people talk about “Koa,” but what exactly is it?
Hawaiian Koa is one of the most prized and iconic tonewoods in the world, valued for both its beauty and sound quality.
About Hawaiian Koa Wood
Hawaiian Koa (Acacia koa)
Hawaiian Koa is a special wood that has been treasured by the Hawaiian people for hundreds of years.
Historically, it was used to make:
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Outrigger canoes
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Paddles
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Boxes
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Furniture
Today, Hawaiian Koa is highly regarded worldwide as a premium material for musical instruments such as ukuleles and guitars.
It is known as an excellent tonewood, producing a rich, warm, and balanced tone with beautiful visual character.
About Scarcity
Hawaiian Koa has a very limited supply due to extensive logging in the past.
Large-scale reforestation efforts have only begun relatively recently.
As a result, high-quality Hawaiian Koa is becoming increasingly rare every year, especially highly figured material.
About Grading
Grading Information
Our grading system is based on over 50 years of experience handling and supplying tonewood.
It is our own internal quality standard.
In the general market, terms such as “4A” and “5A” are widely used, but grading criteria vary from company to company.
By understanding our grading system, you can be confident that each grade meets a consistent and reliable quality level.
Grade Criteria (Simple)
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1A–2A: No curl to very weak curl
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3A: Medium curl visible at certain angles
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4A: Strong curl visible from any angle
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5A: Master grade with deep, beautiful curl
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5A+: Extremely rare, top-tier figure
Moisture Content & Drying
Our wood comes from naturally fallen trees or logs that have been air-dried in the forest for long periods.
Because of this, some pieces are ready to use, while others may require additional drying.
Hawaiian Koa is known as a wood that dries easily and is resistant to cracking and warping compared to many other tonewoods.
Easy Drying Method
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Place the wood so air can circulate freely
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Store in a well-ventilated area
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Use a fan to circulate air if needed
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Place a light weight on top to reduce movement
For material 20–30 mm thick, the recommended drying period is approximately 2 months in a well-ventilated environment.
Recommended Uses
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Ukulele making
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Knife and tool handles
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Pens, accessories, and inlays
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Box and small craft production
Measurement Notes
Because this is a natural wood product, the following dimensional variations may occur:
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Thickness: ±0.2 mm
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Length: ±5 cm
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Width: ±3 mm
The material is not a perfect rectangular prism, which is a natural characteristic of solid wood.
Please understand this before purchasing or processing.
Detailed information
Tree species: ハワイアンコア
Thickness:
Length:
Width:
Backing:
Number of leaves:
Made to order: KOA-897