5Pcs Countersink Drill Set, 6/8 /10/12 1/4" Hex Shank Hole Saw Drill Woodworking Tools for Wood Drilling Plastic Soft Metal

Easy To Use: This drill bits feature with adjustable counter sleeve depth with hex wrench, drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew. Material: This bit sets are made of high quality HSS 4241 material, 6.35mm standard hex shank is compatible, drill and countersink for wood screws without changing bits. Quality Assurance: All of the product are strictly inspected before shipment, so please purchase with confidence. Please contact us if there is a defective product due to manufacturing reasons. Drill Bits Set: 4Pcs HSS constructed drill bits for drilling holes with screw sizes #6,#8,#10 and #12. 1x hex wrench is also included. It's special designed steel counter sleeve countersinks or counter bores hole. Widely Application: This drill bit sets are suitable for workpiece under 25 HRC hardness, such as carbon steel, sheet iron, insulation board, PVC board, wood, etc.Use on a drill machine with chuck or connector., Weight: 0.1322773572 pounds, Manufacturer: Hztyyier