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Countersink bits are used for fragile and hard materials.
Countersinks have fluted designs and used to make clean cuts in hardwood,metal,plywood,and plastic.countersinks are fashioned to a wide range of engagement angles and either metric or inch size.
Countersinks are available in a wide range of materials ,from general application uses to products used to cut into very hard surfaces.
We produce and export all specification of diamond drill bit.
USD 2.3~58.9/pcs
