ibuki HAP40 Steel polished blade blank Petty knife 110mm

New products in 2026 Summer, The toughness and High class HRC of HAP40 steel has been pursued to create a thin excellent sharepen blade knife by a skilled blade attacher . The blade is very sharp and the toughness of HAP40 steel. The knife surface is finished seamlessly and beautifully utilizing multiple grinding and buffing stones.

The Japanese Warikomi blade made of HAP40 Powdered High Speed Steel cutting core, sandwiched between SUS405 stainless steel which provides excellent edge retention, HRC 65. Hap40 is a highly recognized material by blacksmiths, so it's use for chef knives and woodworking knives for professionals.

Hitachi metal tools manufactures HAP40 steel and it contains abundant amounts of hard elements like W (Tungsten), Mo(molybdenum), V(Vanadium) & Co(Cobalt) We heat treated this steel for optimal performance at 65 HRC and you will find this blade will hold its edge an amazingly long time. 

  -- Size -- approx
Petty knife 110mm, Cutting edged length 112 mm, Total length 180mm, Blade width 26.0mm, Blade thickness 1.2 to 0.8mm, 26g, Tang length from end to machi 60mm, Tang width 14mm, approx 

-- Material --
*Blade: Core: HAP40 Powdered High Speed Steel, sandwiched by SUS405 soft stainless steel
 *Heat treated and Fine Sharp edged blade

Note: Polished finish blade has some slight scratch lines, pin holes on the blade.
*approx size and weight
A brand new, Made in Japan
*Price is include a knife