tantalum screw and bolts melting point: 5300 density: 16.6 g/cm3 Size:M2 M4 M8 ... as your requirementDelivery Detail:within 15 daysSpecificationstantalum screw and bolts melting point: 5300 density: 16.6 g/cm3 Size:M2 M4 M8 ... ,rod ,crucible , target ,alloy and so on.Tantalum features high melting point , low vapor pressure , good cold processability ,excellent chemical stability , good ...