Zeallowed 4pcs Countersink Chamfer Countersink Deburring Drill Bit Set Crosshole Tool Coated Countersink Deburring Drill

100% brand new and high quality. Stainless steel is durable. Used for workpiece circular aperture? chamfering or cone hole the edges on the surface of the chamfering?processing. Suitable for using in hardness under 25?artifacts such as aluminum insulation board PVC board. Use for home and industrial. Material: high speed steel. Main Color: Golden and silver. Cut hole Size: 2-5/ 5-10/ 10-15/ 15-20 mm. (4 chamfers a set) Size for manual measurement there may be? a 0 to 1 cm error belongs to the normal phenomenon. Due to the difference between different? monitors the picture may not reflect the actual color of the item. Thank? you! 4 x Chamfers.