... not surface treated but oiled and are supplied with a lock nut and a locking device. They have an oil ... H3160, H3164, H3168, H3172, H3176, H3180, H3184, H3188, H3192, H3196Adapter Sleeve (H3000): H3024, H3026, H3028, H3030, H3032, H3034, H3036, H3038, ... , H3060, H3064, H3068, H3072, H3076, H3080, H3084, H3088, H3092, H3096Adapter Sleeve ( H2300 ): H2304, H2305, H2306, H2307, H2308, H2309, H2310, H2311, ...