Small Mini Red Round Normally Open Momentary Push Button Switch complete with split washer and nut for panel, chassis or thru hole mount electronics applications and projects. What size hole will this fit? 6.8mm mounting hole panel-mount diameterAction Type Momentary Non-latchingContact Type: Normally OpenSwitch Connection SolderPoles Single Pole Single Throw SPSTRating Voltage 60 Volt DC 1 Amp, 125VAC 1AMP , 250VAC 0.5AmpTerminals 2 PinThread Diameter 6.8mmCap Diameter 6mmPin Pitch 4.2mmOverall Size 28mm long x 9.5mm Wide ( Pins can bend to right angles to decrease overall length by approximately 5mm )Material: Plastic, MetalROHSColour: Red.Package includes: 1x Small Mini Round Red Cap Pushbutton momentary non-latching push to close switch Packaging: BulkWe offer bulk discounts to New Zealand-based businesses, schools, and government agencies — contact us for pricing on larger orders! Warranty & Returns: 14-day 'change of mind' return in unused condition for a refund less shipping fees.1-Year return-to-base refund or replacement guarantee. We welcome & answer all questions.