Features: SPECIFICATIONS: Including 6piece wood screw drill bit with different drilling specifications to meet more requirements for opening woodworking holes. 4Edges, 4Flutes: This drill bit features 4-edges 4-flute design, which ensures a stable cut and more uniform chip removal, thus improving drilling efficiency; HIGH CARBON STEEL: These drills are made of excellent carbon steel with high temperature quenching for high hardness and impact resistance. Hexagonal shank: These bits have standard hexagonal shank and are suitable for electric hand drills, cordless drills, table drills, electric wrenches, etc. APPLICABLE MATERIAL: These snake drills are mainly used for processing, pressed wood, sealing panels, PVC panels, etc. used. 4 Edges, 4 Flutes:This drill bit features 4edges 4flute design, which ensures a stable cut and smooth chip removal, thus improving drilling efficiency. SIX RANGE: These bits have standard hexagonal shank and are suitable for electric hand drilling machines, cordless drilling machines, table drilling machines, electric wrenches, etc. HIGH CARBON STEEL: These drills are made of excellent carbon steel with high temperature quenching for high hardness and impact resistance. SPECIFICATIONS: Including 6-piece wood screw drill bit with different drilling specifications to meet more requirements for woodworking hole openings. Specifications: Item Type: Snake Drill Material: 45 High Carbon Steel Specification:12mm/0.47inch;14mm/0.55inch;16mm/0.63inch ;18mm/0.71inch; 20mm/0.79inch; 22mm to 0.87inch ; Usage: Installed to use on the corresponding device. Includes:6xAuger Package Includes: 6xAuger note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.