What is the difference between a countersink and a counterbore in a

Buy Counterbore Mould End Mill Cutter Solid Slot Bit ~ Pilot Slotting Tool at

What is the difference between a countersink and a counterbore in a 55232 Counterbore Screw Slot 12 Dia x 1516 x 12 Shank Tool No 55232 Diameter 12 Cutting Height 1516 Shank 12 Overall Length 2-12 B1

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slot baby These bits will accommodate either countersink or counterbore #8 screws Carbide tipped TIP: These are router bits, not drill bits You should be pecking at

Is there a direct function to create a counterbore slot to retain a hex headed set bolt?ff

counterbore slot callout SLOT DRILL HSS · METRIC SLOT DRILL HSS · IMPERIAL SLOTDRILL HSS · LONG SLOT DRILL HSS · END MILL HSS · METRIC END MILL · LONG METRIC END MILLS · IMPERIAL END

Do not worry about it, I always use a slot drill for counterbores, the standard counterbores always use a larger guide pin than I use for the thread clearance