ㆍ재질 : KS, STB-2, (IS:SUJ2)

ㆍ표면경도 (Hardness) : HRC 58˚~64˚

ㆍ고주파 열처리 (High-Freqency Quenching)

ㆍ열처리두께 (Hardening Roughness) :＜ 1.5mm

ㆍ조도 (Surface Roughness) : ≤ 1.5 S 이하

ㆍ축경공차 (D.Tolerence) : g⁶