... High Hardness 2.High precision 3.No mini order 4.Delivery fast 5.OEM Design ... Countersunk) Head Cap Screws,Hex Socket Button (Oval/Pan)Head Cap Screws,Hexagon Socket Head Shoulder Screws,Hex ... CLIPS,Pins, Hex drivers(Hexagon Wrenches),Silicone & Rubber O-Rings,TURNBUCKLES ,Dogbones,Diff.Gears, Powered Gears, Clutch ... scratch for other items, however, a dish-shape installation hole at 900 has to be made. ...