Tantalum Fastener

Tantalum fasteners are available at HEXON include screw, bolt, stud, threaded rod, nut, washer and custom made special forms according to DIN, ISO, ASME, JIS and other international specifications. We can supply pure unalloyed tantalum, Ta-W alloy, Ta-Nb alloy or other special tantalum alloy that customers require.

During production of tantalum fasteners, comprehensive manufacturing methods are applied ONLY in order to guarantee the precision that our customers expect.

●  Lathing and CNC lathing - for surface and threads

●  Milling and CNC milling - for screw’s head

●  Drilling and punching - for washers

●  Threads rolling - for threads

Finished tantalum fasteners will be appropriately annealed to relief residual stress and inspected by Go/no go gauge for every piece.

Common types

Heads of bolt and screw - hexagon, hex flange, spherical, cap, square, pan, countersunk, tapered, button

Threads of bolt and screw - full threaded, half threaded

Drive inserts of screw- hex socket, square socket, slotted, torx, cross recessed

Stud – threaded, double end threaded

Nut - hex, hex flange, hex thin, square, cap

Washer - plain, flat, spring

Major grades

Unalloyed tantalum (UNS R05200, UNS R05400)

Tantalum-tungsten alloy (UNS R05252, UNS R05255, Ta-7.5W)

Tantalum-niobium alloy (UNS R05240, Ta-3Nb, Ta-20Nb, Ta-30Nb)

Typical specifications

DIN (912, 931, 933, 934, 125, etc.)

ISO (4014, 4017, 4032, 4035, etc.)

ASME (B18.2.1, B18.2.2, B18.2.3, etc)