Drill Bit Set Drill Bit Woodworking Tool 4Pcs Wood Board PVC Plate Insulating Plate For Carbon

Drill Bit Set Drill Bit Woodworking Tool 4Pcs Wood Board PVC Plate Insulating Plate for Carbon Specification: Description: These high strength HSS constructed drill bits are perfect for drilling workpiece with the hardness below 25HRC such as for carbon steel sheet iron plate insulating plate PVC plate wood board etc. Features: 4pcs HSS constructed drill bits for drilling holes with screw sizes #6 #8 #10 and #12. Special designed steel counter sleeve countersinks or counter bores hole. counter sleeve depth with hex wrench. 6.35mm standard hex shank is fast change compatible. Drill and countersink for wood screws without changing bits. Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew. Suitable for drilling workpiece with the hardness below 25HRC such as for carbon steel sheet iron.plate insulating plate PVC plate wood board etc. Use on a drill machine with chuck or connector. Specifications: Condition: Material: HSS 4241 Color: As Picture Shown Drill Size: #6 #8 #10 #12 6#: 2.38mm 8#: 2.78mm 10#: 3.175mm 12#: 3.56mm Hex Shank Diameter: 6.35mm1/4 Other Size: As Picture Shown Package Included: 4 x Drill Bits 1 x Hex Wrench Note:Please note that the new type and old type of this product will be sent randomly and make sure you will not mind before ordering.