M416 KHHTMCZ50-
TR FASTENINGS M416 KHHTMCZ50- 凹头螺丝, BZP, 平/沉头六角, 钢制, 16 mm, M4, 50只
The is a M4 x 16mm metric flat/countersunk hex head Socket Screw made of bright zinc-plated steel.
Newark:
# TR FASTENINGS M416 KHHTMCZ50- SCREW SOCKET, CSK, BZP, M4X16