DURAMAX 1 H KA / DURAMAX 2 H KA Material: HSSE-PM, powder metal Axial coolant Coating: TIN Suitable for several material KOOT: M5, M6, M8, M10, M12, M16, M20, M24

DURAMAX 1 H KR / DURAMAX 2 H KR Material: HSSE-PM, powder metal Radial coolant Coating: TIN Suitable for several material KOOT: M6, M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30, M33, M36, M39, M42, M45, M48