Description: . Industrial Countersink Tool Set Tapered Parts Tapered Drill Set Woodworking Tapered Plastic Drill Bits for Drilling Holes in Wood Metal Tools 7 Flutes Carbon Steel Wood Reamer Chamfering Cutter For Woodworking Wooden Plate Hole Drill Bits Industrial Reaming Bit Tool Set Professional Woodworking Tools Chamfering Industrial Countersink Tool Set Tapered Parts Features: 7 Flutes Beveled Face 7 Flutes is thinner and smoother than five, three, single chamfering cutting edge Recommend to customers who have higher requirements for the roughness and flatness of the beveled surface Application Scope: Used for chamfering and drilling on wooden plate or thin plastic plate Suitable for electric drill, bench drill and other drilling machines Specifications: Shank Diameter: 1/4 inch (6.35mm), Hex Handle Material: High Carbon Steel Flute: 7 Flutes Size: 10mm, 13mm Quantity: 1 set/2 pcs Note: Please allow 1-3mm error due to manual measurement. Pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents: 2pcs x 7 Countersink Countersink for Drill Holes (Without Retail Package)