Solid brass cup washers are typically used under raised countersunk, or standard flat countersunk screw heads, for applications which require the ready removability and reinstallation of the screws, for example removing a boat window to replace a...
KARTELL - Italian made laboratory ware. Polypropylene screw caps with wiring eyes. Inner security seal. Polyethylene graduated (ml), wide mouth body. Notes can be inserted under lid and above seal. - PP / PE - see table below for suitable