1/4" 90° countersink, double end, 6 flutes.
A countersink cuts the tapered seat that lets a flat-head screw finish flush with the surface. This one cuts 1/4" diameter at a 90° included angle, 2" overall.
It is a double-end tool: there is a cutting end at each end of the body. When the first end loses its edge you turn the tool around and carry on with the second, so one tool lasts twice as long before it has to be reground or replaced.
The chatterless grind keeps the 6 teeth in contact with the work rather than skipping across it, which is what stops the tool from cutting a lobed, faceted seat.
90° is the standard included angle for metric flat-head screws, and the common choice for chamfering a hole before tapping.
If an HTC HSS or cobalt tool is not in stock, estimated time to ship is 10–15 calendar days.
Estimated time to ship is measured in calendar days, from order placement until your order is handed to the carrier. Carrier transit time is additional. Orders may ship sooner. We accept orders awaiting replenishment; please contact us before ordering if you need a specific shipping date.
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