Fuller Set of 14 High Speed Countersinks Heat-treated for long tool life.High Speed Steel Countersinks are designed to only sink the head of the screw flush with the surface, not to sink it deeper for plugging. Has shorter blades to reduce breakage. For hard woods and metals. Designed for extended tool life in abrasive materials like FIBERGLASS.
Fuller Set of 14 High Speed Countersinks, Business & Industrial, Manufacturing & Metalworking, Woodworking