Description:  5pcs 5 Flute 82/90 Degree Countersink Drill Bit Set Counter Sink Chamfer Bits.     Specification:  Material:High Speed Steel;  Point Angle:82 degree; 90 degree;     Features:  - 5 Flute Countersink for chamfering and countersinking.  - Countersink Tool Bit Set Counter Sink.  - Cut cuickly and easily in wood, soft metal, rubber, plastic and other machinable materials.  - For carpentry, locksmiths, automotive, metal working.  - Perfectly centered holes every time properly seated screw heads.  - Used for home and industrial applications.  - Great for the workbench or toolbox.  - Ideal for chamfering, and countersinking.  - Countersink bit set Industrial.     Package Included:  4 x 82 degree countersink drill bit;  1 x 90 degree countersink drill bit