Countersink Set: 4 Pc, 1/4 to 1" Head Dia, 6 Flute, 82 &deg MPN:79T000012

The 4-piece countersink set with varying head sizes of 1/4 to 1 inches (0.25 to 2.55 mm) allows the user to create proper pilot holes in metal, plastic or wood materials for fastener installations while preventing damage from over-tightening, splintering or cracks. This cutting tool boasts a robust construction of high speed steel (HSS) with 6 flutes that ensure efficient and precise countersinking operations with less vibration or wobble. The set covers common sizes needed in the industry and can be used for assembly line productions where accurate and fast setups are imperative, thus saving time and costs in repair, rework or downtime due to material defects like rough surfaces or misalignment. It is suitable for automotive, aerospace, hardware or machining industries requiring proper fit of bolts, screws or rivets that need countersinking. The set provides an all-in-one solution to drilling and finishing in one operation, offering uniform depth control while preventing uneven surfaces.