These TMM Series of 2 mm pitch, Low Profile (2.77 mm), SMT Headers from Samtec have Gold Plated 3.2 mm long 0.5mm square posts.

Phosphor bronze, gold plated contacts
Operating temperature: -55°C to +125°C with Gold
Operating temperature: -55°C to +105°C with Tin
Insulator Material: Black LCP

TMM-1xx-01-L-x-SM: 0.25μm Gold plated Posts with Tin Plated Tails
TMM-1xx-01-G-x-SM: 0.75μm Gold plated Posts with 0.075μm Gold Plated Tails

Mates with SQT Series Sockets, see stock number 767-9568 typical.
Mates with SQW Series Sockets, see stock number 767-9650 typical.
Mates with TLE Series Sockets, see stock number 765-6079 typical.
Mates with SMM Series Sockets, see stock number 767-9470 typical.
Mates with MMS Series Sockets, see stock number 481-4796 typical.

Application: Large variety of low profile pin counts, terminal lengths and options
Contact System: .020" (0.50 mm) square post
Orientation: Vertical, right-angle
Pitch: 2.00 mm (.0787")
Special Features: FleXYZ™ provides design flexibility in all three axes up to four rows wide and 200 pins
Termination: Through-hole, surface mount