https://www.sparkfun.com/metal-pushbutton-latching-16mm-green-1.html
This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount latching switch with an...
metal pushbuttonsparkfun electronicslatchinggreen
https://www.se.com/us/en/product/ZB4BR2/head-for-non-illuminated-pushbutton-harmony-xb4-mushroom-60mm-metal-black-22mm-spring-return/
Schneider Electric USA. ZB4BR2 - Head for non illuminated pushbutton, Harmony XB4, mushroom 60mm, metal, black, 22mm, spring return.
non illuminatedheadpushbuttonharmonymushroom