Cover Caps/for Socket Head Cap Screws

[Featurse]
· It covers the hex hole of a Hex socket head cap screw and prevents dust accumulation.
· Available in white and black for identification.
· Please note that repetitive screwing and unscrewing causes gradual loosening.
[Materials] Polyacetal.
[Nominal of Thread (M)] 3, 4, 5, 6, 8, 10, 12.