... Bronze, ADC12, A380, ALSI9CU3, ALSI12FE, A390, ADC14, Aluminium alloy, steel alloy, magnesium alloy, AZ31B, 1045 steel, sus304, 45cr, 40cr, 38crsi, etc ... Polishing, chrome plating, phosphating etcCNC machining Tolerance+/-0.02mm( iron parts), +/-0.01mm( Aluminium parts)ThreadNPT, BSP, M, ... pedal, pure cnc machining parts. made from magnesium alloy, AZ31B. Quickly delivery and best service. OEM Service ...