Main Parameter for specification FX-08SP precise internal hardware processing grinder Collet internal grinder ' dimensions as bellow Working diameter for claming 1.0 20mm Max.length for claming 120mm Max.TravelFront and Rear 40mm Left and Right 65mm Front and rear Feed-on scale mark 0.005mm Working head speed 0 380rpm Working head swivel angle ±5o Feed-on methodFront and Rear Manual Left and Right Manual Weight 180kgs Standard Accessories 1,dia 3 mm, collect lock *1 2,dia 6 mm, collect lock *1 3,Nut ( the M14*P0.75)*1 4,Tool box and its accessories * 1 set Optional Accessories 1, +-45 degrees ,a revolve dish 2,The cool equipment 3,linear encoding 4,The quartz works ligh 1 set This machine fit for : Guide sleeve The industry needle stick The family needle stick The collet lock The ceramic burner hole The ceramic bush The related components small inside grinding