Friction Folder (higononaifu) | Date of Construction: 2013-12 |
Blade Characteristics Steel Type: O1 Composition  : tool steel Billet #  : n/a Number of Layers: n/a Pattern: n/a Etch: n/a Polish: Mirror Dimension (inches) Length: 3.6 Max Thickness: 0.9 Min Thickness: 0.069 |
Handle Characteristics Grip Material: Micarta (Black) Grip Type : Slabs only Fittings Material: Brass Fasteners: Grommets Dimension (inches) Length: 4.7 Max Thickness: 0.378 Min Thickness: 0.377 Max Height: 0.672 Min Height: 0.709 |
Heat Treatment Austenization & Quenching Heat Source: Torch Temperature (F): 1500 Quench material: Oil Quench temperature (F): ambient Tempering Temperature (F): 400 Duration (hrs): 1 Repetitions: 2 |
This is the first higonaifu with internal frame and vine filing Sold on 2/10/2014 for 0125 |