Countersinks are used to widen the top of a mortise so that the shoulder of a tenon will be buried, showing less of the shoulder and providing increased strength to the joint.
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45 degree countersink
60 degree adjustable countersink
Taper countersink for use with 60 degree tenon cuttersDetails/Purchase
Available in sizes from 3/4" to 3". Used to add a 60 degree bevel to mortise for tighter fit on Tenons.